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- Blurred vision
- Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feeling
- Change in vision
- Confusion
- Discouragement
- Dizziness
- Feeling sad or empty
- Headache
- Impaired vision
- Irritability
- Lack of appetite
- Lack or loss of strength
- Loss of bladder control
- Loss of interest or pleasure
- Loss of memory
- Loss of strength or energy
- Muscle pain or weakness
- Nervousness
- Pounding in the ears
- Problems with memory
- Sleepwalking
- Slow or fast heartbeat
- Tiredness
- Trouble concentrating
- Trouble sleeping
Get emergency help immediately if any of the following symptoms of overdose occur:
- Alternating periods of shallow and deep breathing
- Bluish lips or skin, not breathing
- Chest pain or discomfort
- Clumsiness
- Coma
- Confusional, agitated combative state
- Consciousness, depressed
- Convulsions
- Drowsiness
- Generalized slowing of mental and physical activity
- Inability to hold bowel movement or urine
- Increased sweating
- Lightheadedness, dizziness, or fainting
- Low body temperature
- Muscle aches or weakness
- Shakiness and unsteady walk
- Shivering
- Shortness of breath
- Sleepiness
- Slow or irregular heartbeat
- Trembling or other problems with muscle control or coordination
- Unusual tiredness
- Unusual weak feeling
- Vomiting
- Weak or feeble pulse
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- Abdominal or stomach pain
- Abnormal thinking
- Acid or sour stomach
- Back pain
- Belching
- Body aches or pain
- Chills
- Congestion
- Colds
- Cough or hoarseness
- Cramps
- Diarrhea
- Dreams, abnormal
- Dryness or soreness of the throat
- Fear
- Fever
- Flu-like symptoms
- General feeling of discomfort or illness
- Heartburn
- Heavy bleeding
- Hoarseness
- Indigestion
- Joint pain
- Lower back or side pain
- Nausea
- Pain
- Pain or tenderness around the eyes and cheekbones
- Painful or difficult urination
- Runny nose
- Shivering
- Sleep disorder
- Sleepiness or unusual drowsiness
- Sneezing
- Sore throat
- Stomach discomfort, upset, or pain
- Stuffy nose
- Sweating
- Tender, swollen glands in the neck
- Tightness of the chest or wheezing
- Trouble with breathing
- Trouble with swallowing
- Unusual tiredness or weakness
- Voice changes
- Vomiting
- Sleeplessness
- Unable to sleep
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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