What should I watch for?
Tell your doctor or health care professional if your symptoms do not improve.
Do not take this medicine just before going to bed. It may not dissolve properly when you lay down and can cause pain in your throat.
This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.
If you are being treated for a sexually transmitted infection, avoid sexual contact until you have finished your treatment. Your sexual partner may also need treatment.
Avoid antacids, aluminum, calcium, magnesium, and iron products for 2 hours before and after taking a dose of this medicine.
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:
Incidence not known
Black, tarry stools
blistering, peeling, or loosening of the skin
blood in the urine or stools
blurred or double vision
bulging soft spot on the head of an infant
chest pain, possibly moving to the left arm, neck, or shoulder
dizziness or lightheadedness
general feeling of discomfort or illness
general tiredness and weakness
joint or muscle pain
large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
loss of appetite
nausea or vomiting
red skin lesions, often with a purple center
severe stomach pain
sores, ulcers, or white spots on the lips or in the mouth
unusual bleeding or bruising
upper right abdominal or stomach pain
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:
Continuing ringing or buzzing or other unexplained noise in the ears
difficulty with moving
hives or welts
redness of the skin
sleepiness or unusual drowsiness
Incidence not known
discoloration of the tooth
increased sensitivity of the skin to sunlight
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.