Mefrin 500mg Tablet is used in the treatment of moderate to severe pain conditions like menstrual pain, headache, muscle pain, joint pain, or dental pain. It effectively alleviates pain and inflammation.

Mefrin 500mg Tablet should be taken with food. The dose and duration will depend on what you are taking it for and how well it helps your symptoms. You should keep taking the medicine even if you feel better until the doctor says it is alright to stop using it.

The most common side effects of this medicine include mild vomiting, stomach pain, nausea, headache, and dizziness. If any of these side effects persist or get worse, you should let your doctor know. Your doctor may be able to suggest ways of preventing or reducing the symptoms.

Before using it, you should let your doctor know if you have asthma, have a history of stomach ulcers, heart diseases, high blood pressure, and liver or kidney disease. Let your doctor also know about all the other medicines you are taking because they may affect, or be affected by, this medicine. Pregnant and breastfeeding mothers should consult their doctors before using the medicine.

Uses of Mefrin Tablet

Pain relief

Benefits of Mefrin Tablet

In Pain relief

Mefrin 500mg Tablet is a common painkiller used to treat aches and pains. It blocks chemical messengers in the brain that tell us we have pain. It is effective in relieving pain caused by headache, migraine, nerve pain, toothache, sore throat, period (menstrual) pains, arthritis and muscle aches.

Take it as it is prescribed to get the most benefit. Do not take more or for longer than needed as that can be dangerous. In general, you should take the lowest dose that works, for the shortest possible time.

Side effects of Mefrin Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Mefrin

Vomiting
Stomach pain
Nausea
Headache
Dizziness

How to use Mefrin Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Mefrin 500mg Tablet is to be taken with food.

How Mefrin Tablet works

Mefrin 500mg Tablet is a non-steroidal anti-inflammatory drug (NSAID). It works by blocking the release of certain chemical messengers that cause fever, pain and inflammation (redness and swelling).

Safety advice

Alcohol

UNSAFE

It is unsafe to consume alcohol with Mefrin 500mg Tablet.

Pregnancy

CONSULT YOUR DOCTOR

Mefrin 500mg Tablet may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.

Breast feeding

SAFE IF PRESCRIBED

Mefrin 500mg Tablet is safe to use during breastfeeding. Human studies suggest that the drug does not pass into the breastmilk in a significant amount and is not harmful to the baby.

Driving

UNSAFE

Mefrin 500mg Tablet may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

Mefrin 500mg Tablet should be used with caution in patients with kidney disease. Dose adjustment of Mefrin 500mg Tablet may be needed. Please consult your doctor.
Use of Mefrin 500mg Tablet is not recommended in patients with severe kidney disease.

Liver

CAUTION

Mefrin 500mg Tablet should be used with caution in patients with liver disease. Dose adjustment of Mefrin 500mg Tablet may be needed. Please consult your doctor.

What if you forget to take Mefrin Tablet?

If you miss a dose of Mefrin 500mg Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

All substitutes

For informational purposes only. Consult a doctor before taking any medicines.

Mefrin 500mg Tablet

₹2.18/Tablet

Meftal 500 Tablet

Blue Cross Laboratories Ltd

₹3.07/tablet

41% costlier

Almefkem 500mg Tablet

Alkem Laboratories Ltd

₹2.37/tablet

9% costlier

Meflup 500mg Tablet

Lupin Ltd

₹0.82/tablet

62% cheaper

Mefalth 500mg Tablet

Orchid Chemicals & Pharmaceuticals Ltd

₹1.81/tablet

17% cheaper

Mef Plus 500mg Tablet

Que Pharma Pvt Ltd

₹2.85/tablet

31% costlier

View all substitutes

Quick tips

It should be taken with food or milk to avoid getting an upset stomach.
It can cause serious complications like stomach bleeding and kidney problems if taken for a long time.
Mefrin 500mg Tablet can raise your risk of blood clots, heart attack, or a stroke.
Inform your doctor if you are pregnant or planning to conceive or breastfeeding.
Inform your doctor if you have ever been diagnosed with kidney or liver problems.

Fact Box

Chemical Class

Aminobenzoic Acids Derivative

Habit Forming

Therapeutic Class

PAIN ANALGESICS

Action Class

NSAID's- Non-Selective COX 1&2 Inhibitors (fenamates)

Interaction with drugs

Taking Mefrin with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Methotrexate (Oral Route) Severe

Concurrent use may result in fatal Methotrexate poisoning. Careful consideration is advised when taking Methotrexate with Mefenamic Acid. Your doctor may monitor your treatment an... More

Methotrexate (Oral Route) Severe

Concurrent use may result in fatal Methotrexate poisoning. Careful consideration is advised when taking Methotrexate with Mefenamic Acid. Your doctor may monitor your treatment an... More

Tacrolimus (Oral Route) Severe

Concurrent use may increase the risk of serious damage to the kidneys. If concurrent use is essential, your doctor may monitor your tacrolimus levels, potassium levels and kidney ... More

Methotrexate (Oral Route) Severe

Concurrent use may result in fatal Methotrexate poisoning. Careful consideration is advised when taking Methotrexate with Mefenamic Acid. Your doctor may monitor your treatment an... More

Methotrexate (Oral Route) Severe

Concurrent use may result in fatal Methotrexate poisoning. Careful consideration is advised when taking Methotrexate with Mefenamic Acid. Your doctor may monitor your treatment an... More

View all drug interactions

Patient concerns

One of my teeth is sensitive. It some times pains

Dr. Abhijit Gambhir

Dental Surgery

sensitivity has many causative factors for relief of pain you can take pain killers it will give temporary relief

fever and 2 months pregnant can take combiflan

Dr. Sonu Balhara Ahlawat

Obstetrics and Gynaecology

No take Crocin for pain relief

FAQs

Is mefenamic acid an antibiotic/ contain codeine?

No. Mefenamic acid is a non-steroidal anti-inflammatory drug used to treat mild to moderate pain conditions and fever. It not an antibiotic and does not contain codeine

Is Mefrin 500mg Tablet a painkiller?

Yes. Mefrin 500mg Tablet is mild to moderate painkiller drug

Is Mefrin 500mg Tablet safe?

Mefrin 500mg Tablet is safe if used at prescribed doses for the prescribed duration as advised by your doctor

Is Mefrin 500mg Tablet good for toothache/ for back pain/ headache?

Yes, Mefrin 500mg Tablet can be used to relieve dental pain, back pain and headache

Does Mefrin 500mg Tablet stop periods/ stop bleeding?

Mefrin 500mg Tablet is used for relieving pain that happens before or during a menstrual period. It does not stop periods or bleeding. Always consult your doctor regarding its use

Can I take mefenamic acid with naproxen/ paracetamol/ ibuprofen/ metronidazole/ withtramadol/ with tranexamic acid/ with sertraline/ amoxicillin?

Mefenamic acid may interact with the drugs mentioned above. Always consult your physician for the change of dose regimen or an alternative drug of choice that may strictly be require

Does Mefrin 500mg Tablet make you drowsy?

Mefrin 500mg Tablet has a rare side effect of causing drowsiness. Always consult your doctor, if you experience such side effects.

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Disclaimer:

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

References

Grosser T, Smyth E, FitzGerald GA. Anti-Inflammatory, Antipyretic, and Analgesic Agents; Pharmacotherapy of Gout. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. p. 989.
Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 854-55.
ScienceDirect. Mefenamic Acid. [Accessed 02 Apr. 2019] (online) Available from:
Mefenamic Acid. 2008 [revised Mar. 2007]. [Accessed 02 Apr. 2019] (online) Available from:
Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-S198. [Accessed 02 Apr. 2019] (online) Available from:

Marketer details

Name: Rhine Biogenics Pvt Ltd

Address: Rhine House, 21/555(3), Aditya Nagar, East Vennakkara, Nurani (P.O)

Country of origin: India

The list of available options shown with the same composition has been prepared upon the advice of registered medical practitioners, pharmacists affiliated with TATA 1MG. TATA 1MG does not promote any pharmaceutical product of any particular company, and all recommendations are based on the medical opinion, advisories from specialist medical and pharmaceutical professionals.