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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 as soon as possible if any of the following side effects occur:
More common- Black, tarry stools- chest pain- chills- cough- diarrhea- fever- flu-like symptoms including headache, joint pain, muscle aches, and nausea- pain- painful or difficult urination - shortness of breath- sores, ulcers, or white spots on lips or in mouth- swollen glands- unusual bleeding or bruising- unusual tiredness or weakness
Less common- Abdominal pain- chest pain- clumsiness or unsteadiness- convulsions (seizures)- coughing- decreased hearing- difficulty in swallowing- dizziness- fainting- flushing - hives or itching- mood changes, especially with thoughts of suicide- muscle spasms- pain or discharge from the vagina- pelvic discomfort, aching, or heaviness- redness, swelling, or tenderness at place of injection- runny or stuffy nose- skin lesions- sneezing- sore throat- speech problems- swelling of face, lips, or eyelids- troubled breathing- wheezing
Rare- Earache- general feeling of discomfort or illness- loss of appetite- painful blisters on trunk of body—also known as shingles- painful cold sores or blisters on lips, nose, eyes, or genitals
Incidence not known- Bleeding gums- blood in urine or stools - bloody nose- chest discomfort - confusion- constipation - continuing vomiting- convulsions- dark urine- decreased urine output- depressed mood- dilated neck veins- dry skin and hair - extreme fatigue- faintness - fast, irregular, or pounding heartbeat- feeling cold- general tiredness and weakness- hair loss- heavier menstrual periods- high fever- hoarseness or husky voice- irregular breathing- light-colored stools- loss of bladder control- mental depression- mood or other mental changes- muscle cramps and stiffness - muscle spasm or jerking of all extremities- nausea and vomiting- nervousness- pale skin- persistent anorexia- pinpoint red spots on skin- pruritus - puffiness or swelling of the eyelids, or around the eyes, face, lips, or tongue- redness, blistering, peeling, or loosening of the skin- right upper quadrant tenderness- sensitivity to heat- shortness of breath- skin rash- slowed heartbeat- stomach pain- sudden loss of consciousness- sweating- swelling of face, fingers, feet, or lower legs- swelling of the mouth or throat- tightness in chest- tightness in throat- upper right abdominal pain- vesicular rash- weight gain- weight loss- yellow eyes and 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- Heartburn- indigestion- sour stomach
Less common- Hair loss- trouble in sleeping
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.