shiny objects

Less common - abnormal vision, including blurred vision, seeing shades of colors differently than before, or sensitivity to light; bladder pain; cloudy or bloody urine; dizziness; increased frequency of urination; pain on urination

Rare - Bleeding of the eye; convulsions; decreased vision or other changes in vision; double vision; prolonged painful or ainappropriate erection of penis; redness, burninging, or swelling of the eye; vision loss, temporary

Other 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. However, check with your doctor if any of the following side effects continue or are bothersome:

More common - flushing; headache; nasal congestion; stomach discomfort following meals

Less common - diarrhea

Rare - abdominal pain; abnormal dreams; aches or pains of muscles; clumsiness or unsteadiness; cough; diarrhea or stomach cramps (severe or continuing); difficulty in slwallowing; ear pain; increased amount of saliva; increased skin sensitivity; lack of coordination; nausea; numbness or tingling of hands, legs, or feet; rectal bleeding; redness, soreness, or swelling or bleeding of gums; ringing or buzzing in ears; sensation of motion, usually whirling, either of one's self or of one's surroundings; sexual problems in men (continuing), including failure to experience a sexual orgasm; sleepiness; sores in mouth and on lips; tense muscles; tightness of chest or wheezing; trembling and shaking; trouble in sleeping; vomiting; waking to urinate at night; worsening of asthma