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- Difficulty with swallowing
- Fever
- Shakiness and unsteady walk
- Unsteadiness, trembling, or other problems with muscle control or coordination
- Changes in patterns and rhythms of speech
- Restlessness
- Slurred speech
- Trouble sitting still
- Trouble with speaking
- Agitation
- Black, tarry stools
- Bleeding gums
- Blistering, peeling, or loosening of the skin
- Blood in the urine or stools
- Chest pain
- Chills
- Confusion as to time, place, or person
- Cough
- Diarrhea
- Difficult or troubled breathing
- Holding false beliefs that cannot be changed by fact
- Irregular, fast or slow, or shallow breathing
- Itching
- Joint or muscle pain
- Lack of feeling or emotion
- Painful or difficult urination
- Pale or blue lips, fingernails, or skin
- Pinpoint red spots on the skin
- Red skin lesions, often with a purple center
- Red, irritated eyes
- Seeing, hearing, or feeling things that are not there
- Shortness of breath
- Sore throat
- Sores, ulcers, or white spots in the mouth or on the lips
- Swollen glands
- Troubled breathing with exertion
- Uncaring
- Unusual bleeding or bruising
- Unusual excitement, nervousness, or restlessness
- Unusual tiredness or weakness
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose- Change in consciousness
- Confusion
- Difficulty with sleeping
- Disorientation
- Dizziness
- Dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
- Drowsiness
- Drowsiness to profound coma
- Loss of consciousness
- Unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
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- Attack, assault, or force
- Body aches or pain
- Decreased appetite
- Difficulty having a bowel movement (stool)
- Drooling
- Ear congestion
- Irritability
- Loss of voice
- Nasal congestion
- Relaxed and calm
- Runny nose
- Sleepiness or unusual drowsiness
- Sleeplessness
- Sneezing
- Unable to sleep
- Vomiting
- Wheezing
- Bladder pain
- Bloody or cloudy urine
- Cough producing mucus
- Frequent urge to urinate
- Increased appetite
- Lower back or side pain
- Blurred vision
- Double vision
- Full or bloated feeling
- Headache
- Hives or welts
- Muscle spasms
- Pressure in the stomach
- Rash
- Redness of the skin
- Sweating
- Swelling of the abdominal or stomach area
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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