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- Acid or sour stomach
- Belching
- Black, tarry stools
- Bleeding after defecation
- Bleeding from the rectum or bloody stools
- Bloated or full feeling
- Blurred vision
- Burning feeling in the chest or stomach
- Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
- Chest pain or discomfort
- Chest tightness or heaviness
- Confusion
- Constipation
- Continuing diarrhea
- Continuing stomach pain
- Convulsions
- Cracked lips
- Decreased urine
- Deep or fast breathing with dizziness
- Depression
- Diarrhea
- Difficult or labored breathing
- Dry mouth
- Excess air or gas in the stomach
- Fast, irregular, pounding, or racing heartbeat or pulse
- Feeling of heat
- Fever
- Gaseous abdominal or stomach pain
- Headache
- Headache, severe and throbbing
- Heartburn
- Hives
- Hoarseness
- Incoherent speech
- Increased thirst
- Increased urination
- Indigestion
- Irritation
- Itching
- Joint pain, stiffness, or swelling
- Lightheadedness, dizziness, or fainting
- Loss of appetite
- Metallic taste
- Mood changes
- Muscle pain or cramps
- Muscle weakness
- Nausea or vomiting
- Nervousness
- Numbness or tingling in the hands, feet, or lips
- Pain
- Pain or burning in the throat
- Pain or discomfort in the arms, jaw, leg, back, or neck
- Pale skin
- Passing of gas
- Pounding in the ears
- Rash
- Recurrent fever
- Redness of the skin
- Right upper abdominal or stomach pain and fullness
- Seizures
- Shakiness in the legs, arms, hands, or feet
- Sores, ulcers, or white spots on the lips, tongue, or inside the mouth
- Stomach cramps
- Stomach discomfort, fullness, upset, or pain
- Sweating
- Swelling
- Swelling of the eyelids, face, lips, hands, or feet
- Swollen, painful, or tender lymph glands in the neck, armpit, or groin
- Tenderness in the stomach area
- Thirst
- Troubled breathing with exertion
- Uncomfortable swelling around the anus
- Unusual bleeding or bruising
- Unusual tiredness or weakness
- Vomiting of blood or material that looks like coffee grounds
- Watery or bloody diarrhea
- Weight loss
- Wheezing
- Yellow eyes or skin
- Drowsiness
- Muscle spasms (tetany) or twitching
- Seizures
- Trembling
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:
Less common- Abnormal dreams
- Blemishes on the skin
- Blistering, crusting, irritation, itching, or reddening of the skin
- Body aches or pain
- Bumps on the skin
- Burning or itching around the anus
- Burning while urinating
- Change in taste or bad, unusual, or unpleasant (after) taste
- Changes in appetite
- Changes in menstrual periods
- Chills
- Congestion
- Continuing ringing or buzzing or other unexplained noise in the ears
- Cough
- Cracked, dry, or scaly skin
- Decreased interest in sexual intercourse
- Decreased sexual ability in males
- Difficult or painful urination
- Difficulty with moving
- Dry, puffy skin
- Ear congestion
- Ear pain
- Excess air or gas in the stomach or intestines
- Falls
- Feeling cold
- Feeling of constant movement of self or surroundings
- Feeling of warmth
- Frequent strong or increased urge to urinate
- General feeling of discomfort or illness
- Hearing loss
- Heavy bleeding
- Hiccups
- Hives or welts
- Inability to have or keep an erection
- Lack or loss of strength
- Longer or heavier menstrual periods
- Loss in sexual ability, desire, drive, or performance
- Loss of voice
- Muscle or bone pain
- Muscle stiffness
- Noisy breathing
- Pain around the anus
- Pain or tenderness around the eyes and cheekbones
- Pain, swelling, or redness in the joints
- Painful sexual intercourse
- Pimples
- Red, sore eyes
- Redness of the face, neck, arms, and occasionally, upper chest
- Sensation of spinning
- Shivering
- Sleeplessness
- Sneezing
- Sore throat
- Stuffy or runny nose
- Sudden sweating
- Sunburn
- Thick, white, or curd-like vaginal discharge
- Trouble remembering
- Trouble sleeping
- Unable to sleep
- Voice changes
- Weight gain
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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