Type your drug name (like Atorvastatin, Sildenafil, etc)
ALEMTUZUMAB is a monoclonal antibody. Campath is used to treat B cell chronic lymphocytic leukemia. Lemtrada is used to treat multiple sclerosis. Compare CD52 antibodies.
Prescription Settings
1.2ml of 10mg/ml
1 vial
1.2ml of 10mg/ml
1 vial

Lemtrada Side Effects

What should I watch for?

Your condition will be monitored carefully while you are receiving this medicine.

Visit your doctor or health care professional for regular checks on your progress. You will need frequent blood checks. The side effects of the medicine can continue after you finish your treatment. Promptly report any side effects.

This drug may make you feel generally unwell. This is not uncommon, as chemotherapy can affect healthy cells as well as cancer cells. Report any side effects. Continue your course of treatment even though you feel ill unless your doctor tells you to stop.

Call your doctor or health care professional for advice if you get a fever, chills or sore throat, or other symptoms of a cold or flu. Do not treat yourself. This drug decreases your body's ability to fight infections. Try to avoid being around people who are sick.

This medicine may increase your risk to bruise or bleed. Call your doctor or health care professional if you notice any unusual bleeding.

Do not become pregnant while taking this medicine. Women should inform their doctor if they wish to become pregnant or think they might be pregnant. There is a potential for serious side effects to an unborn child. Men should inform their doctors if they wish to father a child. Men and women need to use effective contraceptive methods during treatment and for at least 6 months after stopping this medicine. Talk to your health care professional or pharmacist for more information. Do not breast-feed an infant while taking this medicine.


Common and Rare Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur:

More common

Black, tarry stools

blood in the urine





faintness, or lightheadedness when getting up suddenly from a lying or sitting position

fast heartbeat



itching, hives, or rash


painful or difficult urination

pale skin

sore throat

sores, ulcers, or white spots on the lips or in the mouth


swollen glands

tightness in the chest

troubled breathing, exertional

unusual bleeding or bruising

unusual tiredness or weakness


Less common

Bloating or swelling of the face, hands, lower legs, or feet

chest pain


lower back or side pain

muscle weakness

pounding, or irregular heartbeat or pulse

rapid weight gain

red or purple spots on the skin, varying in size and remaining after pushing the skin surface


Flushing of the face or neck

swelling of the eyelids, face, or lips

white patches on the tongue, in the mouth, or in the folds of the skin, including the genitals

Incidence not known

Back pain


blurred vision

chest discomfort


decreased urine output

decreased vision

dilated neck veins


extreme tiredness or weakness

eye pain

feeling of discomfort

inability to move the arms and legs

inflammation of the joints

irregular breathing

joint pain, stiffness, or swelling

muscle aches or pain

numbness, pain, tingling, or weakness

painful glands


spitting up blood

sudden numbness and weakness in the arms and legs

swelling of the face, fingers, feet, or lower legs

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Fear or nervousness

trouble sleeping

Less common


bone pain

burning, crawling, itching, numbness, prickling, “pins and needles”, or tingling feelings



lack or loss of strength

loss of appetite

painful cold sores or blisters on the lips, nose, eyes, or genitals

stomach discomfort, upset, or pain

swelling or inflammation of the mouth

weight loss


Bloody nose


sensation of temperature change


stuffy nose


unexplained nosebleeds

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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