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- Bladder pain
- Bloody or cloudy urine
- Difficult, burning, or painful urination
- Fast, pounding, or irregular heartbeat or pulse
- Frequent urge to urinate
- Lower back or side pain
- Cold flu-like symptoms
- Cough or hoarseness
- Fever or chills
- Blistering, peeling, loosening of skin
- Chest pain or discomfort
- Confusion
- Convulsions
- Diarrhea
- Difficulty breathing
- Difficulty in speaking
- Difficulty swallowing
- Dizziness
- Double vision
- Faintness
- Hallucinations (seeing, hearing, or feeling things that are not there)
- Headache
- Inability to move arms, legs, or facial muscles
- Inability to speak
- Itching
- Joint or muscle pain
- Large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
- Loss of bladder control
- Muscle spasm or jerking of all extremities
- Nausea
- Pain or discomfort in arms, jaw, back, or neck
- Red irritated eyes
- Red skin lesions, often with a purple center
- Severe mental changes
- Shortness of breath
- Skin rash
- Slow speech
- Sore throat
- Sores, ulcers, or white spots in mouth or on lips
- Sudden loss of consciousness
- Sweating
- Swelling of feet or lower legs
- Tightness in chest
- Troubled breathing
- Uncontrolled vocal outbursts and/or tics (uncontrolled repeated body movements)
- Unusual tiredness or weakness
- Vomiting
- Wheezing
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose- Blurred vision
- Dark-colored urine
- Discouragement
- Dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
- Feeling sad or empty
- Irritability
- Lack of appetite
- Loss of interest or pleasure
- Muscle cramps or spasms
- Muscle pain or stiffness
- Nervousness
- Overactive reflexes
- Physical attempt to injure
- Restlessness
- Stomach cramps
- Trembling or shaking of legs, arms, hands, or feet
- Trouble concentrating
- Trouble sleeping
- Violent actions
- Panic state
- Pounding in the ears
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- Anxiety
- Dry mouth
- Lack or loss of strength
- Sleeplessness
- Stomach pain
- Unable to sleep
- Weight loss
- Constipation
- Decreased interest in sexual intercourse
- False or unusual sense of well-being
- Inability to have or keep an erection
- Loss in sexual ability, desire, drive, or performance
- Twitching, twisting, uncontrolled repetitive movements of tongue, lips, face, arms, or legs
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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