Lemtrada 12mg Infusion

Reviewed By Dr. Mekhala Chandra, MD, MBBS

Last updated on 25 Nov 2025 | 03:05 PM (IST)

Lemtrada 12mg Infusion is used in the treatment of blood cancer (chronic lymphocytic leukemia) and multiple sclerosis (MS). It marks the cancer cells for destruction by the body's immune system. It also modulates the immune system to limit its attacks on the nervous system.

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General Information

Contains

Alemtuzumab (12mg)

Marketer

Sanofi India Ltd

The content is shown in English

Product introduction

Lemtrada 12mg Infusion is given under the supervision of a doctor. Your doctor will decide what dose is necessary and how often you need to take it. This will depend on what you are being treated for and may change from time to time. You should take it exactly as your doctor has advised. Taking it in the wrong way or taking too much can cause very serious side effects. It may take several weeks or months for you to see or feel the benefits but do not stop taking it unless your doctor tells you to.

Rash, headache, and insomnia are some common side effects of this medicine. This medicine may reduce the number of blood cells (white blood cells) in your blood, thereby, increasing the susceptibility to infections or bleeding. Thus, inform your doctor immediately if you develop fever, chills, cough, mouth sores, or trouble breathing, and unusual bruising or bleeding, or blood in the urine. You will be checked regularly after giving the medication as it may cause fatal reactions such as chest pain, breathlessness, slow or irregular heartbeat.

Before taking it, tell your doctor if you have heart disease, liver, or kidney problems or are taking any medicines to treat infections. Many other medicines can affect, or be affected by, this medicine so let your healthcare team know all medications you are using. This medicine is not recommended during pregnancy or while breastfeeding. The use of effective contraception by both males and females during treatment is important to avoid pregnancy.

Uses of Lemtrada Infusion

Benefits of Lemtrada Infusion

Multiple sclerosis (MS)
Multiple sclerosis (MS) is a chronic disease where the immune system mistakenly attacks the protective covering of nerves in the brain and spinal cord, leading to symptoms such as muscle weakness, numbness, and problems with coordination. Lemtrada 12mg Infusion is used in MS to reduce the frequency of relapses and slow disease progression by helping to reset the immune system.

Blood cancer (Chronic lymphocytic leukemia)
Chronic lymphocytic leukemia (CLL) is a type of blood cancer in which the bone marrow produces too many abnormal white blood cells, which can interfere with normal blood function and weaken the immune system. Lemtrada 12mg Infusion is used in CLL to help lower the number of these abnormal cells in the blood and bone marrow, supporting better blood function and immune balance.

Side effects of Lemtrada Infusion

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 Lemtrada

Rash
Headache
Insomnia (difficulty in sleeping)
Nausea
Upper respiratory tract infection
Decreased white blood cell count
Fatigue
Fever
Itching
Flushing (sense of warmth in the face, ears, neck and trunk)
Hives
Decreased white blood cell count (lymphocytes)

How to use Lemtrada Infusion

Your doctor or nurse will give you this medicine. Kindly do not self-administer.

How Lemtrada Infusion works

Lemtrada 12mg Infusion is a monoclonal antibody. It flags the cancer cells for destruction by the body's immune system. It also modulates the immune system to limit its attacks on the nervous system.

Quick tips

Lemtrada 12mg Infusion is given as an injection into the veins under the supervision of a doctor.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Lemtrada 12mg Infusion. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Lemtrada 12mg Infusion during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding

CONSULT YOUR DOCTOR

Lemtrada 12mg Infusion may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.

Driving

UNSAFE

Lemtrada 12mg Infusion may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CONSULT YOUR DOCTOR

There is limited data available on the use of Lemtrada 12mg Infusion in patients with kidney disease. Please consult your doctor.

Liver

CONSULT YOUR DOCTOR

There is limited data available on the use of Lemtrada 12mg Infusion in patients with liver disease.

Frequently asked questions

How will you know that Lemtrada 12mg Infusion is working?

Keep taking this medicine exactly as directed until your doctor tells you to stop. Regular scans will reveal whether your tumor is responding to the treatment. Your doctor will determine when those scans should be scheduled.

What precautions should I take to reduce the chances of getting infected during treatment with Lemtrada 12mg Infusion?

Since Lemtrada 12mg Infusion lowers the number of white blood cells and platelets in your blood, it puts you at a risk of getting an infection or bleeding. In order to prevent, avoid people who have infections. Check with your doctor immediately if you think you may be getting an infection, or if you get a fever, chills, cough; be careful not to cut yourself when you are using sharp objects such as a razor or nail cutters; and use a toothbrush with soft bristles to prevent bleeding from gums.

How to get relief from feelings of nausea during the treatment?

Eat smaller, more frequent meals to reduce the feeling of nausea. Avoid food that is salty, spicy, fried, or fatty. Sucking on lozenges and chewing gums may also help.Your doctor might prescribe you some anti-nausea medications to get immediate relief.

I have noticed some changes in my skin, and hair after taking Lemtrada 12mg Infusion. What should I do?

Use a moisturizer to get relief from rashes, dry and itchy skin. While taking this medicine, the hair on your head may become brittle. You may also experience patchy hair loss or thinning. This tends to resolve once treatment is stopped.

Are there any precaution for tingling sensation and numbness in my arms and legs?

This medicine causes tingling, numbness, pain, or burning sensation in your arms or legs. Be careful when moving around, as the numbness may make it harder to walk, feel your hands or feet, or increase your risk of falls. Talk to your doctor if you feel these symptoms. You may need to change your dose or schedule.

What are some of the tests conducted before and during the treatment with Lemtrada 12mg Infusion?

Your doctor will prescribe blood tests to check your levels of blood cells and how well your liver and kidneys are working.

Can Lemtrada 12mg Infusion be taken during pregnancy?

This treatment may harm a baby developing in the womb. It is important not to become pregnant or father a child while you are having treatment and for at least 6 months afterward. Talk to your doctor about effective contraception before starting the treatment.

Is Lemtrada 12mg Infusion safe during breastfeeding?

Do not breastfeed while taking this medicine and for 4 months after the last dose. This is because Lemtrada 12mg Infusion might pass into breast milk and could therefore harm your baby.

Can I take vaccination while on treatment with Lemtrada 12mg Infusion?

It is advisable not to receive any kind of immunization with live vaccine while taking this medicine and for up to 12 months afterward. The length of time depends on the treatment you are having. Ask your doctor how long you should avoid live vaccinations.

When should I call my doctor right away?

Get medical help right away if you have swelling in your mouth or throat, trouble breathing, severe weakness, fast, slow, or irregular heartbeat, chest pain, and severe rash.

Fact Box

Chemical Class

Peptides

Habit Forming

Therapeutic Class

ANTI NEOPLASTICS

Action Class

Anti-CD52 Monoclonal Antibodies

Related lab tests

Complete Blood Count

Peripheral Smear Examination

References

Krensky AM, Bennett WM, Vincenti F. Immunosuppressants, Tolerogens, and Immunostimulants. 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. 1018.
Lake DF, Briggs AD, Akporiaye ET. Immunopharmacology. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 977.
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. p. 35.
Alemtuzumab. Kendall Street Cambridge, MA: Genzyme Corporation; 2001. [Accessed 26 Mar. 2019] (online) Available from:
Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006. Alemtuzumab. [Updated 2019 Feb 28]. [Accessed 18 Feb. 2020] (online) Available from:

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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.

Marketer details

Name: Sanofi India Ltd
Address: Sanofi House, CTS No.117-B, L&T Business Park, Saki Vihar Road, Powai, Mumbai 400072

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Lemtrada 12mg Infusion. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

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Most medicines cannot be sold without a valid prescription, as per the Drugs and Cosmetics Act, 1940 and Rules, 1945

Lemtrada 12mg Infusion

Save more with additional offers

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General Information

Contains

Marketer

Product introduction

Uses of Lemtrada Infusion

Benefits of Lemtrada Infusion

Side effects of Lemtrada Infusion

How to use Lemtrada Infusion

How Lemtrada Infusion works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

How will you know that Lemtrada 12mg Infusion is working?

What precautions should I take to reduce the chances of getting infected during treatment with Lemtrada 12mg Infusion?

How to get relief from feelings of nausea during the treatment?

I have noticed some changes in my skin, and hair after taking Lemtrada 12mg Infusion. What should I do?

Are there any precaution for tingling sensation and numbness in my arms and legs?

What are some of the tests conducted before and during the treatment with Lemtrada 12mg Infusion?

Can Lemtrada 12mg Infusion be taken during pregnancy?

Is Lemtrada 12mg Infusion safe during breastfeeding?

Can I take vaccination while on treatment with Lemtrada 12mg Infusion?

When should I call my doctor right away?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Complete Blood Count

Peripheral Smear Examination

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

In case of any issues, contact us

Lab tests offered by us

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