What should I watch for?
Tell your doctor or health care professional if your symptoms do not improve or if they get worse.
Avoid alcoholic drinks while you are taking this medicine and for three days afterward. Alcohol may make you feel dizzy, sick, or flushed.
If you are being treated for a sexually transmitted disease, avoid sexual contact until you have finished your treatment. Your sexual partner may also need treatment.
Common and Rare 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:
Change in consciousness
loss of consciousness
shortness of breath
tightness in chest
Black, tarry stools
blood in urine or stools
burning, numbness, tingling, or painful sensations
fast, irregular, pounding, or racing heartbeat or pulse
increased transaminase levels
large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
lower back or side pain
painful or difficult urination
pinpoint red spots on skin
reddening of the skin, especially around ears
sores, ulcers, or white spots on lips or in mouth
swelling of eyes, face, or inside of nose
unsteadiness or awkwardness
unusual bleeding or bruising
unusual tiredness or weakness
weakness in arms, hands, legs, or feet
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:
Acid or sour stomach
difficulty having a bowel movement (stool)
general feeling of discomfort or illness
loss of appetite
pain or discomfort in chest, upper stomach, or throat
Body aches or pain
coating on tongue
dryness or soreness of throat
mood or mental changes
tender, swollen glands in neck
difficulty in moving
feeling of constant movement of self or surroundings
muscle pain or stiffness
pain, swelling, or redness in joints
sensation of spinning
shakiness and unsteady walk
swelling or inflammation of the mouth
trembling, or other problems with muscle control or coordination
unable to sleep
white or brownish vaginal discharge
white patches in the mouth or throat or on the tongue
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.