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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:
Less common- Hives or welts
- Irregular heartbeat
- Itching
- Large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
- Redness of the skin
- Skin rash
- Painful, prolonged erection of your penis
- Convulsions
- Dark colored urine
- Fainting
- Flu-like symptoms
- Loss of bladder control
- Muscle spasm or jerking of all extremities
- Pelvic pain in male
- Right upper belly pain or tenderness
- Sudden loss of consciousness
- Yellow eyes or skin
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- Acid or sour stomach
- Belching
- Bleeding between periods
- Change in amount of bleeding during periods
- Change in pattern of monthly periods
- Cough
- Decrease in frequency of urination
- Decrease in urine amount
- Decreased appetite
- Decreased interest in sexual intercourse
- Difficulty having a bowel movement (stool)
- Difficulty in passing urine (dribbling)
- Dizziness
- Dry mouth
- Fever
- Headache
- Heartburn
- Heavy bleeding
- Inability to have or keep an erection
- Indigestion
- Irritability
- Loss in sexual ability, desire, drive, or performance
- Nausea
- Pain or tenderness around the eyes and cheekbones
- Painful urination
- Shortness of breath or troubled breathing
- Sleepiness or unusual drowsiness
- Sleeplessness
- Stomach discomfort, upset, cramps, or pain
- Stuffy or runny nose
- Tightness of the chest or wheezing
- Trouble sleeping
- Unable to sleep
- Unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
- Unusual stopping of menstrual bleeding
- Unusual tiredness or weakness
- Vomiting
- Abnormal dreams
- Abnormal orgasm
- Back pain
- Blistering, crusting, irritation, itching, or reddening of the skin
- Bloated, full feeling
- Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
- Change in hearing
- Change or problem with discharge of semen
- Chills
- Cold sweats
- Confusion
- Cough
- Cracked, dry, or scaly skin
- Crying
- Decreased weight
- Diarrhea
- Difficulty with moving
- Dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
- Ear drainage
- Earache or pain in the ear
- Excess air or gas in the stomach or intestines
- Feeling of warmth, redness of the face, neck, arms, and occasionally, upper chest
- Feeling unusually cold
- Frequent urination
- General feeling of discomfort or illness
- Groin pain
- Increased or sudden sweating
- Joint pain
- Loss of appetite
- Mood swings
- Muscle aches, cramping, pains, or stiffness
- Pain or burning with urination
- Passing gas
- Shivering
- Sinus headache
- Sleep disorder
- Swelling of the skin
- Swollen joints
- Swollen, tender prostate
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.
