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:
Less common- Blurred vision
- Chest discomfort
- Confusion
- Cough
- Difficulty with breathing or troubled breathing
- Difficulty with swallowing
- Dizziness
- Dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
- Fast heartbeat
- Feeling of warmth
- Fever
- Hives or welts
- Itching
- Puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
- Redness of the skin
- Redness of the face, neck, arms, and occasionally, upper chest
- Runny nose
- Shortness of breath
- Skin rash
- Sneezing
- Stuffy nose
- Sweating
- Throat irritation
- Tightness in the chest
- Unusual tiredness or weakness
- Wheezing
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- Headache
- Bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the injection site
- Muscle aches
- Nausea
- Sore throat
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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