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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- Decrease in the amount of urine or in the frequency of urination
- Hallucinations (seeing, hearing, or feeling things that are not there)
- Chest pain
- Difficulty with speaking
- Fainting
- Mood or mental changes
- Problems with walking
- Redness, swelling, itching, or bumps on the skin at place of application
- Spitting blood
- Bloating or swelling of the face, hands, lower legs, or feet
- Fast or pounding heartbeat or pulse
- Rapid weight gain
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose- Cold, clammy skin
- Convulsions (seizures)
- Drowsiness that is so severe that you are not able to answer when spoken to or, if asleep, cannot be awakened
- Low blood pressure
- Pinpoint pupils of the eyes
- Slow heartbeat
- Very slow (fewer than 8 breaths a minute) or troubled breathing
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 that was not present before treatment
- Confusion
- Constipation
- Diarrhea
- Dizziness, drowsiness, or lightheadedness
- False sense of well-being
- Feeling anxious
- Headache
- Indigestion
- Loss of appetite
- Nausea or vomiting
- Nervousness
- Sweating
- Weakness
- Feeling anxious and restless at the same time
- Feeling of crawling, tingling, or burning of the skin
- Memory loss
- Unusual dreams
- Change or problem with discharge of semen
- Decreased interest in sexual intercourse
- Inability to have or keep an erection
- Loss in sexual ability, desire, drive, or performance
- Not able to have an orgasm
- Weight loss
After you stop using this medicine, it may still produce some side effects that need attention. During this period of time, check with your doctor immediately if you notice the following side effects:
- Body aches
- Fast heartbeat
- Fever, runny nose, or sneezing
- Gooseflesh
- Increased sweating
- Increased yawning
- Nervousness, restlessness, or irritability
- Shivering or trembling
- Stomach cramps
- Trouble with sleeping
- Unusually large pupils in the eyes
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.
