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- Fever
- Chest pain
- Chills
- Coughing, wheezing, or shortness of breath
- Difficult or labored breathing
- Difficulty with swallowing
- Fast heartbeat
- Noisy breathing
- Seizures
- Shortness of breath
- Skin itching, rash, or redness
- Sneezing
- Sore throat
- Swelling of the face, throat, or tongue
- Tightness in the chest
- Bladder pain
- Blistering, peeling, or loosening of the skin
- Bloody or cloudy urine
- Bluish lips or skin
- Body aches or pain
- Choking
- Confusion
- Decreased urine output
- Diarrhea
- Difficult, burning, or painful urination
- Dilated neck veins
- Ear congestion
- Extreme fatigue
- Fainting
- Frequent urge to urinate
- General feeling of discomfort or illness
- Headache
- Hives
- Irregular breathing
- Irregular heartbeat
- Itching
- Joint or muscle pain
- Large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
- Lightheadedness
- Loss of appetite
- Loss of voice
- Lower back or side pain
- Muscle aches and pains
- Nasal congestion
- Nausea
- Not breathing
- Puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
- Rapid, shallow breathing
- Red, irritated eyes
- Runny nose
- Shivering
- Sore throat
- Sores, ulcers, or white spots in the mouth or on the lips
- Sweating
- Swelling of the face, fingers, feet, or lower legs
- Swollen, painful, or tender lymph glands in the neck, armpit, or groin
- Trouble sleeping
- Troubled breathing
- Unusual tiredness or weakness
- Vomiting
- Weight gain
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- Decreased appetite
- Decreased sleep
- Irritability
- Red streaks on the skin
- Swelling, tenderness, or pain at the injection site
- Abdominal or stomach pain
- Crying
- Hives or welts
- Weakness
- Bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, rash, redness, scarring, soreness, stinging, tingling, ulceration, or warmth at the injection site
- Burning, dry, or itching eyes
- Eye discharge or excessive tearing
- Pain
- Stomach cramps
- Tenderness
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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