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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 immediately if any of the following side effects occur:
Less common- Collapse or shock-like state
- Crying for 3 hours or more
- Fever over 102.2 °F
- Redness or swelling of 4 inches or more at the injection site
- Seizures (convulsions)
- Severe pain at the injection site
- Agitation
- Back pain
- Black, tarry stools
- Bleeding gums
- Bleeding, blistering, burning, coldness, discoloration of skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at injection site
- Blood in the urine or stools
- Bloody nose
- Bluish color of fingernails, lips, skin, palms, or nail beds
- Blurred vision
- Confusion
- Cough
- Diarrhea
- Difficulty swallowing
- Dizziness
- Drowsiness
- Fast heartbeat
- Hallucinations
- Headache
- Hoarseness
- Irritability
- Irritation
- Joint pain, stiffness, or swelling
- Loss of bladder control
- Loss of consciousness
- Loss of strength or energy
- Mood or mental changes
- Muscle pain or weakness
- Nausea and vomiting
- Pain or cramping in abdomen
- Pinpoint red spots on skin
- Puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
- Rash with flat lesions or small raised lesions on the skin
- Screaming
- Shortness of breath
- Sleepiness or unusual drowsiness
- Sneezing
- Sore throat
- Stiff neck
- Swollen, painful, or tender lymph glands in the neck, armpit, or groin
- Tightness in the chest
- Total body jerking
- Troubled breathing or swallowing
- Unusual bleeding or bruising
- Unusual tiredness or weakness (sudden and severe)
- 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- Fever of 99.5 °F or more
- Fussiness
- Loss of appetite
- Mild pain, redness, swelling, or tenderness at the injection site
- Restlessness
- Weight loss
- Crying
- Ear pain
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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