Atezolizumab

Precautions

Before using atezolizumab, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: immune system problems (such as Crohn's disease, ulcerative colitis, lupus), organ transplant, stem cell transplant with donor cells, radiation treatment, nervous system disorders (such as myasthenia gravis, Guillain-Barre syndrome), diabetes.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Tell your doctor if you are pregnant or plan to become pregnant. You should not become pregnant while using atezolizumab. Atezolizumab may harm an unborn baby. Ask about reliable forms of birth control while using this medication and for at least 5 months after the last dose. I f you become pregnant, talk to your doctor right away about the risks and benefits of this medication.

It is unknown if this drug passes into breast milk. Because of the possible risk to the infant, breastfeeding is not recommended while using this drug and for at least 5 months after the last dose. Consult your doctor before breastfeeding.

Side Effects

See also How to Use section.

Tiredness, loss of appetite, muscle/bone pain, or nausea may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if you have any serious side effects, including: new/worsening cough, diarrhea, black/tarry stool, signs of liver disease (nausea/vomiting that doesn't stop, stomach/abdominal pain, yellowing eyes/skin, dark urine), signs of kidney problems (such as pink/bloody urine, change in the amount of urine), eye/vision problems (such as blurred vision, vision changes, eye pain), headache that is severe or doesn't go away, stiff/painful neck, numbness/tingling of arms/legs.

This medication may cause hormone gland problems (such as thyroid, pituitary, adrenal, pancreas). Your body could make too much or too little hormone. Tell your doctor right away if you have any symptoms such as: cold or heat intolerance, unexplained weight loss/gain, increased thirst/urination, mood or behavior changes (such as decreased sex drive, irritability, forgetfulness), slow/fast/pounding/irregular heartbeat, unusual tiredness, constipation.

Get medical help right away if you have any very serious side effects, including: chest pain, shortness of breath.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, such as: fever, swollen lymph nodes, rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

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