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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:
More common- Body aches or pain
- Chills
- Cough
- Difficulty in breathing
- Ear congestion
- Fever
- Headache
- Loss of voice
- Nasal congestion
- Runny nose
- Sneezing
- Sore throat
- Unusual tiredness or weakness
- Abdominal pain
- Bladder pain
- Bloody or cloudy urine
- Change in hearing
- Chest pain
- Cold, flu-like symptoms
- Congestion
- Difficult, burning, or painful urination
- Dryness of throat
- Earache or pain in ear
- Ear drainage
- Electrocardiogram (ECG) changes
- Frequent urge to urinate
- Hoarseness
- Lower back or side pain
- Swelling
- Tender, swollen glands in neck
- Trouble in swallowing
- Voice changes
- Vomiting
- Blurred vision
- Confusion
- Decreased urination
- Dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
- Dry mouth
- Increase in heart rate
- Irregular heartbeat
- Muscle cramps or pain
- Numbness, tingling, pain, or weakness in hands or feet
- Rapid breathing
- Seizures
- Sunken eyes
- Sweating
- Thirst
- Trembling
- Weakness and heaviness of legs
- Wrinkled skin
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- Back pain
- Lack or loss of strength
- Pain or tenderness around eyes and cheekbones
- Shortness of breath or troubled breathing
- Stuffy nose
- Tightness of chest or wheezing
- Abnormal ejaculation
- Absent, missed, or irregular menstrual periods
- Acid or sour stomach
- Arm pain
- Belching
- Bloated
- Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
- Continuing ringing or buzzing or other unexplained noise in ears
- Decreased sexual performance or desire
- Diarrhea
- Difficulty in moving
- Discouragement
- Excess air or gas in stomach or intestines
- Excessive muscle tone
- Feeling sad or empty
- Full feeling
- Hearing loss
- Heartburn
- Indigestion
- Injury
- Irritability
- Joint pain
- Lack of appetite
- Leg pain
- Loss of interest or pleasure
- Muscle aching
- Muscle stiffness
- Muscle tension or tightness
- Nausea
- Neck pain
- Nervousness
- Pain, swelling, or redness in joints
- Passing gas
- Rash
- Sleepiness or unusual drowsiness
- Stomach discomfort, upset, or pain
- Stopping of menstrual bleeding
- Swollen joints
- Trouble concentrating
- Trouble sleeping
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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