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
- Confusion
- Dizziness
- Dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
- Fainting
- Fast, slow, or irregular heartbeat
- Sweating
- Unusual tiredness or weakness
- Abdominal or stomach cramps or pain
- Bloating
- Bulging soft spot on the head of an infant
- Change in the ability to see colors, especially blue or yellow
- Convulsions
- Decrease in the frequency of urination
- Decrease in urine volume
- Diarrhea
- Difficult or painful urination
- Difficult or troubled breathing
- Difficulty having a bowel movement (stool)
- Difficulty in passing urine (dribbling)
- Drowsiness
- Frequent urge to urinate
- Headache
- Irregular, fast or slow, or shallow breathing
- Loss of appetite
- Nervousness
- Pale or blue lips, fingernails, or skin
- Pounding in the ears
- Shakiness in the legs, arms, hands, or feet
- Shortness of breath
- Sleeplessness
- Trembling or shaking of the hands or feet
- Trouble with sleeping
- Unable to sleep
- Vomiting
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- Fear
- Mood changes
- Nausea
- Relaxed and calm
- Sleepiness
- Unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
- Itching skin
- Skin rash
- Weakness
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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