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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.
Stop taking this medicine and get emergency help immediately if any of the following effects occur:
Symptoms of unusually high blood pressure (hypertensive crisis)- Chest pain (severe)
- Enlarged pupils
- Fast or slow heartbeat
- Headache (severe)
- Increased sensitivity of eyes to light
- Increased sweating (possibly with fever or cold, clammy skin)
- Nausea and vomiting
- Stiff or sore neck
Check with your doctor as soon as possible if any of the following side effects occur:
More common- Dizziness or lightheadedness (severe), especially when getting up from a lying or sitting position
- Diarrhea
- Fast or pounding heartbeat
- Swelling of feet or lower legs
- Unusual excitement or nervousness
- Dark urine
- Fever
- Skin rash
- Slurred speech
- Sore throat
- Staggering walk
- Yellow eyes or skin
- Anxiety (severe)
- Confusion
- Convulsions (seizures)
- Cool, clammy skin
- Dizziness (severe)
- Drowsiness (severe)
- Fast and irregular pulse
- Fever
- Hallucinations (seeing, hearing, or feeling things that are not there)
- Headache (severe)
- High or low blood pressure
- Muscle stiffness
- Sweating
- Trouble in sleeping (severe)
- Troubled breathing
- Unusual irritability
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- Blurred vision
- Decreased amount of urine
- Decreased sexual ability
- Dizziness or lightheadedness (mild), especially when getting up from a lying or sitting position
- Drowsiness
- Headache (mild)
- Increased appetite (especially for sweets) or weight gain
- Increased sweating
- Muscle twitching during sleep
- Nausea
- Restlessness
- Shakiness or trembling
- Tiredness and weakness
- Trouble in sleeping
- Chills
- Constipation
- Decreased appetite
- Dryness of mouth
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.
