Along with its needing effects, a drug 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 family doctor as soon as possible if any of the following side effects was happen
More common
Blurred vision or other changes in vision; clumsiness or unsteadiness; lightheadedness or fainting; ringing in the ears; skin rash or itching
Less common
Bladder pain; bloody or cloudy; cough or hoarseness; diarrhea; excessive muscle tone; eye pain; feeling dizzy; frequent urge to urinate; itching of the vagina or genital area; muscle stiffness; muscle tension or tightness; nausea; pain during sexual intercourse; painful, burning, or difficult urination; shortness of breath, tightness in chest, or wheezing; stomach pain; thick, white vaginal discharge with no odor or with a mild odor; troubled breathing
Rare
Asthma; bleeding from the rectum; bloody or black, tarry stools; change in sexual desire or performance; chest pain; double vision; dryness of eye; ear pain; fainting; fast heartbeat; fever, chills, or sore throat; hallucinations - seeing, hearing, or feeling things that are not there; hives; increased sense of hearing; increased sensitivity to sun; irritation or soreness of mouth; joint or muscle pain or stiffness; kidney stones; large pupils of eyes; lower back, side, or stomach pain; menstrual changes; mood or mental changes; nerve pain or twitching; pelvic pain; problems in speaking; problems with urination; prolonged, painful, inappropriate penile erection; red or irritated eyes; sensitivity of eyes to light; swelling of face; swollen glands; talking, feeling and acting with excitement and activity you can't control; unusual bleeding or bruising; unusual feeling of well-being; unusual tiredness or weakness; vomiting of blood or material that looks like coffee grounds
Incidence not known
Blistering, peeling, or loosening of skin; light-colored stools; confusion; dark urine; decreased urine output; fever; increased thirst; itching; lack of appetite; large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs; muscle pain or cramps; muscle spasm or jerking of all extremities; muscle stiffness; pain, warmth, or burning in fingers, toes and legs; red skin lesions, often with a purple center; sore throat; sudden loss of consciousness; sweating; vomitingMore common side effects may occur that usually do not need medical attention. These side effects may go away during treat as your body adjusts to the drug. However, check with your family doctor if any of the following side effects continue or are bothersome:
More common
Abnormal dreams; agitation; confusion; constipation; diarrhea; dizziness; drowsiness; dryness of mouth; flushing or feeling of warmth; headache; heartburn; increased appetite; increased cough; memory problems; nausea; swelling of arms or legs; tingling, burning, or prickly sensations; tremor; trouble in sleeping; vomiting
Less common or rare
Breast pain; generalized slowing of mental and physical activity; increased thirst; loss of strength or energy; muscle weakness
Incidence not known
Unexpected or excess milk flow from breasts; swelling of the breasts or breast soreness in malesMore common side effects not listed above may also occur in some diseaseds. If you have any other problems, check with your family doctor.