What should I watch for?
Visit your doctor for regular check ups. Tell your doctor if your symptoms do not get better or if they get worse.
Avoid products with aluminum, calcium, magnesium, iron, zinc, or sodium bicarbonate for 2 hours before and after taking a dose of this medicine.
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. Alcohol may interfere with the effect of this medicine. Do not drink alcohol while you are taking this medicine and for at least 1 day after finishing treatment.
This medicine may cause dark tongue and/or grayish black stools. This is only temporary and will go away when you stop taking 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:
Acid or sour stomach
general feeling of discomfort or illness
loss of appetite
muscle aches and pains
sore or dry throat
stomach discomfort, upset, or pain
unusual tiredness or weakness
body aches or pain
burning feeling in the chest or stomach
fast, irregular, pounding, or racing heartbeat or pulse
itching of the vagina or genital area
lack or loss of strength
lower back or side pain
pain during sexual intercourse
painful or difficult urination
rash with flat lesions or small raised lesions on the skin
tender, swollen glands in the neck
tenderness in the stomach area
thick, white vaginal discharge with no odor or with a mild odor
trouble with swallowing
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:
Black or dark tongue
Change in taste, or bad, unusual, or unpleasant aftertaste
fear or nervousness
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.