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.
Do not treat diarrhea with over the counter products. Contact your doctor if you have diarrhea that lasts more than 2 days or if it is severe and watery.
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.
Birth control pills may not work properly while you are taking this medicine. Talk to your doctor about using an extra method of birth control.
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:
More common
Acid or sour stomach
belching
chills
general feeling of discomfort or illness
headache
indigestion
joint pain
loss of appetite
muscle aches and pains
shivering
sore or dry throat
stomach discomfort, upset, or pain
sweating
trouble sleeping
unusual tiredness or weakness
vomiting
Less common
Back pain
body aches or pain
burning feeling in the chest or stomach
congestion
dizziness
fast, irregular, pounding, or racing heartbeat or pulse
hoarseness
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
voice changes
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:
More common
Black or dark tongue
black stools
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.
