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Common known 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- Bloating- bloody or black, tarry stools- burning upper abdominal pain- cloudy urine- constipation- decrease in urine output or decrease in urine-concentrating ability- headache- heartburn- indigestion- itching skin- loss of appetite- nausea or vomiting- pale skin- severe abdominal pain, cramping, or burning- severe and continuing nausea- skin rash- swelling- troubled breathing with exertion- unusual bleeding or bruising- unusual tiredness or weakness- vomiting of blood or material that looks like coffee grounds- weight loss
Less common- Bleeding gums- blood in urine- bloody nose- blurred vision- burning feeling in chest or stomach- burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings- chest pain- clay-colored stools- confusion- cough or hoarseness- dark urine- difficult or labored breathing- difficult, burning, or painful urination- difficulty swallowing- dilated neck veins- dizziness- extreme fatigue- fainting- fever or chills- flushing, redness of skin- frequent urge to urinate- increased sensitivity of skin to sunlight- increased thirst- increased volume of pale, dilute urine- large, flat, blue or purplish patches in the skin- lightheadedness- lower back or side pain- nervousness- noisy breathing- numbness or tingling in hands, feet, or lips- pain or burning in throat- peeling of skin- pinpoint red or purple spots on skin- pounding in the ears- rapid, shallow breathing- redness or other discoloration of skin- redness, swelling, or soreness of tongue- severe sunburn- shortness of breath- slow, fast, pounding, or irregular heartbeat or pulse- sore throat- sores, ulcers, or white spots on lips or tongue or inside the mouth- stomach upset- swelling of face, fingers, feet, or lower legs- swelling or inflammation of the mouth- swollen glands- tenderness in stomach area- tightness in chest- unpleasant breath odor- unusually warm skin- weakness or heaviness of legs- weight gain- wheezing- yellow eyes or skin
Rare- Anxiety- back or leg pains- burning, dry, or itching eyes- cold sweats- coma- cracks in the skin- diarrhea- discharge, excessive tearing- dizziness, faintness, or lightheadedness when getting up from a lying or sitting position- dry mouth- flushed, dry skin- fruit-like breath odor- general body swelling- general feeling of discomfort or illness- high fever- increased hunger- increased urination- inflammation of joints- irregular, fast or slow, or shallow breathing- joint pain- large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs- light-colored stools- loss of heat from the body- muscle aches and pains- nightmares- no blood pressure- no breathing- no pulse- pain or discomfort in arms, jaw, back or neck- pains in stomach, side, or abdomen, possibly radiating to the back- pale or blue lips, fingernails, or skin- puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue- red irritated eyes- red skin lesions, often with a purple center- redness, pain, swelling of eye, eyelid, or inner lining of eyelid- runny nose- scaly skin- seeing, hearing, or feeling things that are not there- seizures- severe headache- shakiness- shivering- sleepiness- slurred speech- sneezing- sores, welting, or blisters- stiff neck and/or back- stomach pain, continuing- suddenly sweating- swollen, painful, or tender lymph glands in neck, armpit, or groin- trouble sleeping
Symptoms of overdose- Agitation- depression- hives- hostility- irritability- muscle twitching- pain or discomfort in chest, upper stomach, or throat- rapid weight gain- stupor- swelling of ankles or hands- unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
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- continuing ringing or buzzing or other unexplained noise in ears- excess air or gas in stomach or intestines- hearing loss- passing gas- stomach discomfort or upset
Less common- Feeling of constant movement of self or surroundings- hair loss, thinning of hair- lack or loss of strength- sensation of spinning- shakiness in legs, arms, hands, or feet- sleeplessness- trembling or shaking of hands or feet- unable to sleep
Rare- Change in hearing- changes in appetite- inability to sit still- mood alterations- need to keep moving- restlessness
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.