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Diabetes
Diabetes mellitus, Hyperglycemia, and High blood sugarOverview
Diabetes mellitus, also commonly known as diabetes, is a long-term metabolic disorder that causes high levels of glucose (fasting >126 mg/dl and/or post-prandial>200 mg/dl) in the blood. It occurs when the pancreas – which produces the hormone insulin – either fails to produce (any or enough) insulin or fails to use it to keep the blood glucose in control effectively.
Diabetes has two main types: Type 1, often seen in children and young people, and Type 2, which affects adults of all ages. Another form, gestational diabetes mellitus (GDM), occurs during pregnancy and impacts many women worldwide.
Symptoms include frequent urination, excessive thirst, fatigue, blurred vision, and slow wound healing. Risk factors include genetics, obesity, unhealthy diet, physical inactivity, and hypertension (high blood pressure). Gestational diabetes risk increases with pregnancy-related hormonal changes.
Diabetes management includes lifestyle changes, oral medications, and some injectables. Effective care requires a lifelong commitment to a healthy lifestyle, timely medication, and regular checkups to prevent complications.
Key Facts
- All age groups
- Both men and women
- Pancreas
- Eyes
- Nerves
- Feet
- Heart
- Kidneys
- Reproductive system
- Worldwide: 463 Million (2019)
- India: 77 Million (2019)
- Metabolic syndrome
- Hypothyroidism
- Hemochromatosis
- Pancreatitis
- Cystic fibrosis
- Infections
- Cushing Syndrome
- Oral medications: Metformin , Glimepiride, Glipizide, Pioglitazone, Repaglinide ,Nateglinide. Acarbose, Miglitol., Sitagliptin, Saxagliptin, Liraglutide and Dulaglutide.
- Insulin injections: Insulin lispro, Insulin glulisine, Insulin regular, Semilente, Insuin lente, Insulin isophane, Ultralente, Protamine Zinc, Insulin glargine, Insulin detemir, and Insulin degludec.
- Insulin pumps
- Transplants
- Bariatric surgery
- General physician
- Endocrinologist
- Diabetologist
- Nephrologist
- Neurologist
- Podiatrist
- Dentist
- Ophthalmologist
- Nutritionist
- Diabetes Care Foundation of India
Symptoms Of Diabetes
Irrespective of the type, some of the common symptoms of diabetes include:
- Frequent urination
- Excessive thirst
- Sudden loss of weight
- Increased hunger
- Blurry eyesight
- Bedwetting
- Tiredness or fatigue
- Delayed healing of cuts and other injuries
- Dry skin
- Fungal skin infections
Take charge of your health with our comprehensive diabetes care range! From monitoring to management, we’ve got you covered.
Causes Of Diabetes
Diabetes is caused by the body's inability to produce enough insulin or use insulin effectively. The cause mainly depends on the types which include:
Type 1 diabetes
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It is known to be caused due to an autoimmune reaction in which the immune system attacks the insulin-producing beta cells of the pancreas and leads to destruction.
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As a result, there is very little or no insulin production, which affects the blood glucose control.
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Even though it can develop at any age, it occurs most commonly in children and young people.
Type 2 diabetes
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It is caused by the body's inability to respond properly to insulin, leading to insulin resistance.
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This causes the hormone insulin to be ineffective, which in turn, causes the body to produce more insulin.
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As a result, the pancreas fails to keep up the body’s demand for more insulin.
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This gradually causes inadequate production of insulin leading to high blood glucose.
Other Types Of Diabetes
Apart from Type 1 and Type 2 Diabetes, there are other forms you should be aware of. These include:
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Prediabetes: It is a condition where blood sugar levels are higher than normal but not yet high enough for a diabetes diagnosis.
Prediabetes can be your body’s call to act and make some lifestyle changes. Know more about what you can do to stop the progression from prediabetes to diabetes.
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Gestational diabetes: It is defined as diabetes diagnosed during pregnancy that affects a significant proportion of pregnant women worldwide. Women usually develop gestational diabetes between the second or third trimester of pregnancy.
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Monogenic diabetes: As the name implies, monogenic diabetes results from a single gene rather than the contributions of multiple genes and environmental factors as seen in type 1 and type 2 diabetes. It is much less common and often misdiagnosed as either type 1 or type 2 diabetes. These monogenic forms present a broad spectrum from neonatal diabetes mellitus (or ‘monogenic diabetes of infancy’), maturity-onset diabetes of the young (MODY), and rare diabetes-associated syndromic diseases.
Drug or chemical-induced diabetes. Yes, as the name suggests, this is a type of diabetes that is caused due to drugs or chemicals. For example, after usage of immunosuppressive drugs in organ transplant patients, following HIV/AIDS treatment, water pills or steroids.
Consult a professional to know more about it and reduce the risk.
Risk Factors For Diabetes
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Depending upon the type, there are several risk factors for diabetes. These include:
1. Type 1 diabetes
Although there are not many risk factors of type 1 diabetes, some factors that are known to up the risk include:
- Presence of certain types of genes
- Environmental triggers or a virus (any sort of infection or bacteria), which can initiate an autoimmune reaction
- Presence of autoantibodies (antibodies that mistakenly attack your own body’s tissues or organs)
- Geographic location (certain countries, such as Finland and Sweden, have higher rates of type 1 diabetes)
- Family history of diabetes
2. Type 2 diabetes
- Obesity
- Smoking
- Family history of diabetes
- Family history of high cholesterol, hypertension (high blood pressure), or cardiovascular disease
- Having a sedentary lifestyle
- Suffering from polycystic ovarian syndrome (PCOS)
- Suffering from prediabetes
- Being pregnant
- Recurrent wounds/ulcers, which fail to heal
- Stress
- History of diabetes in pregnancy
- History of impaired glucose tolerance.
3. Gestational diabetes
- BMI (Body Mass Index) that exceeds 30
- Excessive weight gain during pregnancy
- Family history of diabetes during pregnancy
- History of giving birth to a baby weighing 4.5kg or more
- Expecting more than one baby
- Family history of hypertension
- History of miscarriage or stillbirth
- History of conditions related to insulin resistance or PCOS (Polycystic Ovarian Syndrome)
- History of habitual smoking
- Giving birth to a child with congenital abnormality
Smokers are 30–40% more likely to develop Type 2 diabetes than non-smokers, and smoking makes blood sugar harder to control, increasing the risk of complications.
Quit this habit with our widest range of smoking cessation products to reduce the risk.
Diagnosis Of Diabetes
1. Random blood sugar test
- Normal: Less than 140 mg/dl
- Prediabetes: Between 140 and 200 mg/dl
- Diabetes: Greater than or equal to 200 mg/dl
- Pregnant women: Greater than or equal to 200 mg/dl
2. Fasting plasma glucose test (FPGT)
- Normal: Less than 100 mg/dl
- Prediabetes: Between 100 mg/dl to 125 mg/dl
- Diabetes: Greater than or equal to126 mg/dl
- Pregnant women: Between 90-140 mg/dl
3. Postprandial blood glucose (PPBG) test
It is performed to measure glucose levels in the blood after 2 hours from the start of the last meal. The values for PPBG are as follows:
- Normal: Less than 140 mg/dl
- Impaired glucose tolerance (prediabetes): Between 140 and 200 mg/dl
- Diabetes: Equal to or above 200 mg/dl
4. Hemoglobin A1c (HbA1c) test
- Normal: Less than 5.7%
- Prediabetes: Between 5.7% to 6.4%
- Diabetes: Greater than or equal to 6.5%
- Pregnant women: Between 6% to 6.5%
5. Oral glucose tolerance test (OGTT)
- Normal : Less than 140 mg/dl
- Prediabetes: 140 mg/dl to 199 mg/dl
- Diabetes: 200 mg/dl or higher
- Pregnant women: 200 mg/dL or higher
Watch this video to know why blood glucose tests are important for diabetics as well as non-diabetics.
Prevention Of Diabetes
Simple lifestyle changes can lower your risk of type 2 diabetes. Here are a few tips to get started:
1. Make healthy food choices
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Restrict intake of foods that have a high glycemic index like white breads, white rice, fatty foods, and soda.
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Consume foods with a low glycemic index like multigrain flour, whole grains, daals, and fruits, and fresh vegetables.
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Switch to healthier oils like olive oil, canola oil, soybean oil or rice bran oil.
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Avoid junk and processed foods.
2. Watch your weight
Losing weight not only improves blood glucose levels but also may reduce the risk of heart disease because of diabetes.
Want to lose weight the right way? Try our weight loss program for expert guidance and personalized care.
3. Be active
Regular exercise is a good way to keep your body healthy and prevent diabetes. Engage in activities like walking, cycling, yoga, or strength training for at least 30 minutes daily.
4. Manage stress
Stress can make blood sugar levels harder to control. Engage in any relaxation technique that works for you to ward off stress.
Here are 10 effective tips to manage stress and achieve that calm amid chaos.
5. Go for regular health check-ups
Diabetes symptoms often go unnoticed, so preventive health checkups help with timely diagnosis. If you have risk factors like hypertension, obesity, or heart disease, get tested every 6–12 months for early treatment.
6. Quit Smoking
Smoking has been found to directly increase the risk of diabetes and its complications such as cardiovascular diseases, stroke, eye diseases, nerve damage, and kidney damage.
Want to quit smoking but are unable to do so? Read about 7 practical ways to get rid of this deadly habit.
Celebs affected
Sudha Chandran is an Indian actress and Bharatanatyam dancer known for her resilience and talent. She has openly shared her journey of managing diabetes through lifestyle modifications, inspiring many to adopt healthier habits on her social media platforms.
The Oscar winning Hollywood actor, Tom revealed that he was diagnosed with type 2 diabetes on the American Talk show "The Late Show" in the year 2013 and he always makes sure to follow strict plan to manage diabetes.
Specialist To Visit
Effective diabetes management requires a comprehensive approach involving multiple specialists for diagnosis, treatment, and complication management. These include:
- General physician
- Endocrinologist
- Diabetologist
- Nephrologist
- Neurologist
- Podiatrist
- Dentist
- Ophthalmologist
- Nutritionist
A general physician provides overall care, helps diagnose diabetes, and monitors general health.
An endocrinologist specializes in hormone-related conditions, including diabetes, and helps with insulin management.
A diabetologist focuses on diabetes treatment, monitoring, and managing complications.
A nephrologist manages kidney health and complications related to diabetes-induced kidney damage.
A neurologist treats nerve damage and complications like diabetic neuropathy.
A podiatrist manages foot health, preventing and treating diabetic foot issues like ulcers and infections.
A dentist monitors oral health, as diabetes increases the risk of gum disease and other oral problems.
An ophthalmologist checks for diabetic eye conditions like retinopathy and cataract to prevent vision loss.
A nutritionist helps create a balanced meal plan to manage blood sugar levels and overall health.
Note: You should see a doctor if you experience symptoms like frequent urination, excessive thirst, unexplained weight loss, or if your blood sugar levels are difficult to control.
Schedule a consultation today with a specialist to take control of your diabetes.
Treatment Of Diabetes
Diabetes can be treated with medications and injections along with a few lifestyle modifications. Some of the common types of medicines for diabetes include:
1. Oral medications
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Biguanides: These drugs help control blood sugar by reducing the liver’s sugar production, lowering sugar absorption in the gut, and making the body more responsive to insulin. Metformin is generally the first medication prescribed for type 2 diabetes.
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Sulphonylureas: These drugs are known to increase the secretion of insulin by the pancreas to manage diabetes. Some of the common examples include Glimepiride and Glipizide.
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Thiazolidinediones: This class of drugs helps control diabetes by increasing insulin sensitivity in the muscles and fat tissues. Examples of this class of drug include Pioglitazone.
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Meglitinides: These increase the secretion of insulin by the pancreas to treat diabetes. Examples of this class of drugs are Repaglinide and Nateglinide.
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Alpha-glucosidase inhibitors: This class of drugs inhibits the enzyme alpha-glucosidase thereby decreasing the absorption of glucose by the intestine. Some of the commonly available drugs include Acarbose and Miglitol.
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DPP-4 inhibitors: It works by improving the secretion of insulin by the pancreas thereby helping in the treatment of diabetes. Examples are Sitagliptin and Saxagliptin.
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Incretin mimetics: This class of oral antidiabetics is known to increase the secretion of the hormone insulin and help in controlling diabetes. Commonly used drugs are Liraglutide and Dulaglutide.
2. Insulin Injections
This includes insulin (mainly human insulin) which increases the uptake of glucose by the cells and helps to control diabetes. There are 5 different types of insulin available currently which are recommended based on the severity of the condition. These include:
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Rapid-acting insulin (Examples: Insulin lispro, Insulin glulisine, etc)
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Short-acting insulin (Examples: Insulin regular and Semilente)
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Intermediate-acting insulin (Examples: Insulin lente, Insulin isophane, etc)
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Long-acting insulin (Examples: Ultralente, Protamine Zinc)
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Ultra-long-acting Insulin (Examples: Insulin glargine, Insulin detemir, Insulin degludec, etc)
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3. Insulin pumps
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Insulin pumps are small-sized computer devices that deliver small doses of short-acting insulin continuously, just like how the pancreas works.
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It provides a steady flow through day and night. All you need to do is attach it to your body using an infusion set.
4. Transplants
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For some people who have type 1 diabetes, a pancreas transplant may be an option.
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Islet transplants are being studied as well.
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With a successful pancreas transplant, you would no longer need insulin therapy, but transplants aren't always successful.
5. Bariatric surgery
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Also known as weight loss surgery, it helps to cut down the fat through surgery.
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Although it is not specifically considered a treatment for type 2 diabetes, people with type 2 diabetes who are may benefit from this surgery.
Home-care For Diabetes
Diet in diabetes
Whether you’re trying to prevent or control diabetes, your nutritional needs are virtually the same as everyone else's, so no special foods are necessary.
What to eat
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Healthy fats from nuts, olive oil, fish oils, flax seeds, or avocados
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Fruits and vegetables—ideally fresh, the more colorful the better; whole fruit rather than juices
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High-fiber cereals and breads made from whole grains
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Fish and shellfish, organic chicken
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High-quality protein such as eggs, beans, low-fat dairy, and unsweetened yogurt
What not to eat
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Trans fats from partially hydrogenated or deep-fried foods
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Packaged and fast foods, especially those high in sugar, baked goods, sweets, chips, desserts
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White bread, sugary cereals, refined pasta or rice
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Processed meat and red meat
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Low-fat products that have replaced fat with added sugar, such as fat-free yogurt
Hear from our expert on key dietary tips for people with diabetes.
Watch This Video
Some home remedies may help manage diabetes symptoms, but they should never replace conventional treatment. These include:
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Fenugreek seeds (Methi ke daane): Methi has soluble fibers that can slow down the digestion and absorption of glucose.
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Cinnamon (Dalchini): It can improve insulin sensitivity and reduce blood sugar fluctuations.
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Bitter gourd (Karela): It can help lower blood sugar by improving insulin sensitivity and reducing glucose absorption.
Compared to rice, wheat flour has higher protein, low glycemic index, and high dietary fiber. However, if you wish to eat rice, then watch this video to know the right amount of rice to be eaten and how to replace roti with rice.
Complications Of Diabetes
Insulin deficit, if left unchecked over the long term, can cause damage to many of the body’s organs, leading to complications such as:
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Organ damage: Uncontrolled diabetes can lead to severe complications affecting multiple organs.
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Diabetic retinopathy (Eyes): High blood sugar damages blood vessels in the eyes, increasing the risk of blurred vision, cataract, and glaucoma.
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Diabetic foot (Feet): Diabetes damages blood vessels and nerves, increasing the risk of infections, ulcers, and poor wound healing especially in the feet.
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Diabetic nephropathy (Kidneys): High blood sugar thickens blood vessels in the kidneys, leading to filtration issues, protein loss, and kidney failure.
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Diabetic neuropathy (Nerves): Poor blood circulation to the nerves can cause numbness, pain, and loss of sensation in the extremities.
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Cardiovascular disease (Heart): High blood sugar can damage blood vessels of the heart, increasing the risk of heart attacks, and stroke.
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Diabetic ketoacidosis: It is a life-threatening condition where the body breaks down fat for energy, producing harmful ketone bodies due to insulin deficiency.
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Erectile dysfunction (ED): Diabetes-related nerve and blood vessel damage can lead to ED, affecting sexual health and quality of life.
Do not let diabetes take over your life. Monitor your blood sugar levels regularly to stay in control and prevent complications from diabetes.
Complications of gestational diabetes mellitus (GDM)
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Pre-eclampsia (characterized by high blood pressure)
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Need for cesarean sections
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Polyhydramnios (excessive amniotic fluid)
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Oligohydramnios (deficiency of amniotic fluid).
The health complications in the baby can include:
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Hyperinsulinemia (high insulin level)
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Macrosomia (the baby who is significantly larger than normal)
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Shoulder dystocia (infant’s shoulder gets lodged in the mother’s pelvis during delivery)
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Neonatal hypoglycemia (low blood glucose level)
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Respiratory distress syndrome (immature lungs)
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Stillbirth.
Join our pregnancy care plan for expert guidance and a healthier journey! Our program helps you manage pregnancy symptoms, ensure a healthier baby, and receive the care and support you need.
Alternative Therapies For Diabetes
Alternative therapies can help manage diabetes symptoms alongside medical treatment but should not replace it. Some beneficial therapies include:
1. Homeopathy
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Defined as complementary medicine, homoeopathy majorly concentrates on improving the functioning of the pancreas to produce insulin.
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It is recommended to use homeopathic medicines only if prescribed by the homeopath and that too alongside the usual course of medications suggested.
2. Yoga
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It focuses on mindful exercise where a person’s attention is on the body or breathing and eases away worrying or depressing thoughts from the mind.
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Restorative yoga involves yoga poses and healing through relaxation techniques with conscious breathing and power yoga that has been found to benefit diabetics.
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It has been studied for controlling both the symptoms and complications associated with type 2 diabetes.
3. Acupuncture
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This technique uses needles to treat chronic pain.
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Acupuncture may be effective in managing the symptoms like nerve pain and other complications of the disease.
4. Massage therapy
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Massage therapy could be incorporated into relaxation therapy.
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The extreme stress-reducing benefits of massage can help in controlling the counter-regulatory stress hormones and help the body use insulin more effectively.
5. Hydrotherapy
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In this therapy, water both hot and cold is used to treat an illness and injury.
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It helps you to get rid of harmful toxins present in the body and also improves muscle relaxation.
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It provides a soothing effect both mentally and physically. Hot tub therapy is advised for people with type 2 diabetes who are unable to exercise as it helps to increase blood flow to the muscles.
6. Chromotherapy
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As the name suggests, it involves the therapeutic use of colors.
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According to chromotherapy, diabetes is generally caused by a deficiency of orange and yellow colors in the body.
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Lemon yellow is the color of the pancreas, which acts as a laxative and diuretic agent.
Living with Diabetes
As diabetes is a chronic health problem, it is imperative to make small changes in your lifestyle to manage the condition in a better way. Here are a few measures to include in your care plan.
1. Learn about your condition
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Be informed about the symptoms, the risks of potential complications, practical ways to manage diabetes and the importance of treatment.
2. Take care of your mental health
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Indulge in some relaxation techniques like meditation or yoga.
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Talk to your friends or family about your stress
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Spend some “ME” time by doing things you like.
3. Be prepared for emergencies
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Plan out your sick days beforehand by stocking up on your medicines (including the OTC medications) and healthy foods and drinks
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In case of diabetic emergencies such as very high blood glucose (hyperglycemia) or low blood glucose (hypoglycemia) consult your doctor immediately.
Learn how to tackle diabetic emergencies.
4. Make lifestyle changes
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Eating a diet rich in proteins, complex carbohydrates, healthy fats and fibre is the key to keep your blood glucose levels in control.
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Ensure to get some moderate-intensity exercises such as brisk walking, swimming, etc
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Do not skip your medicines or stop taking your medicines even if your diabetes is in control.
5. Record and monitor blood glucose levels
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It is important to monitor your sugar levels as it allows you to prevent the consequences of very high or very low blood sugar.
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It also enables tighter blood sugar control, which decreases the long-term risks of diabetic complications.
Want to buy the right glucose monitor?
6. Get regular checkups
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Get HbA1c level every three months along with a doctor visit every six months.
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Every year get your vaccine shot and other tests like lipid profile, kidney function test, liver function test, and Vitamin B12 to check your overall health status
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Get annual eye checkups to detect diabetic retinopathy and cataracts early, preventing vision impairment or blindness.
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Regularly checking your feet helps identify nerve damage, infections, or poor circulation, reducing the risk of ulcers and amputations.
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Go for dental exams to help prevent gum disease, infections, and oral issues, which are more common due to high blood sugar in diabetes.
Fact: You can enjoy your favorite treats as long as you plan properly and limit hidden sugars. Dessert doesn’t have to be off limits, as long as it’s a part of a healthy meal plan.
Check out our range of diabetic-friendly health drinks and superfoods.
Frequently Asked Questions
References
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- Understanding A1c Diagnosis. American Diabetes Association (ADA).
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- American Diabetes Association. Diagnosis. Available from:
- Varma PP. Prevalence of chronic kidney disease in India - Where are we heading?. Indian J Nephrol. 2015;25(3):133-135.
- Kharroubi AT, Darwish HM. Diabetes mellitus: The epidemic of the century. World J Diabetes. 2015;6(6):850-867. Available from:
- Kim J, Noh W, Kim A, Choi Y, Kim YS. The Effect of Fenugreek in Type 2 Diabetes and Prediabetes: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Int J Mol Sci. 2023 Sep 12;24(18):13999. Available from:
- Maiorino MI, Bellastella G, Esposito K. Diabetes and sexual dysfunction: current perspectives. Diabetes Metab Syndr Obes. 2014;7:95-105. Available from:
- Cortez-Navarrete M, Pérez-Rubio KG, Escobedo-Gutiérrez MJ. Role of Fenugreek, Cinnamon, Curcuma longa, Berberine and Momordica charantia in Type 2 Diabetes Mellitus Treatment: A Review. Pharmaceuticals (Basel). 2023 Mar 30;16(4):515. Available from:
- Alam S, Sarker MMR, Sultana TN, Chowdhury MNR, Rashid MA, Chaity NI, Zhao C, Xiao J, Hafez EE, Khan SA, Mohamed IN. Antidiabetic Phytochemicals From Medicinal Plants: Prospective Candidates for New Drug Discovery and Development. Front Endocrinol (Lausanne). 2022 Feb 24;13:800714. Available from :
- Pandey A, Tripathi P, Pandey R, Srivatava R, Goswami S. Alternative therapies useful in the management of diabetes: A systematic review. J Pharm Bioallied Sci. 2011;3(4):504-512. Available from:
- Sapra A, Bhandari P. Diabetes Mellitus. [Updated 2021 Jun 8]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2021 Jan. Available from:
- Diabetes, Gum Disease, & Other Dental Problems. National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). Last reviewed by Sep, 2014.
- International Diabetes Federation. Facts & Figures [Internet]. Available from:
- Diabetes Foundation India. About Us [Internet]. New Delhi: Diabetes Foundation India; [cited 2025 Feb 13]. Available from: