What should I watch for?
Visit your doctor or health care professional for regular checks on your progress. You will need frequent blood checks during the first few months you are receiving the 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.
This medicine can cause birth defects. Do not get pregnant while taking this drug. Females will need to have a negative pregnancy test before starting this medicine. If sexually active, use 2 reliable forms of birth control together for 4 weeks before starting this medicine, while you are taking this medicine, and for 6 weeks after you stop taking this medicine. Birth control pills alone may not work properly while you are taking this medicine. If you think that you might be pregnant talk to your doctor right away.
If you get a cold or other infection while receiving this medicine, call your doctor or health care professional. Do not treat yourself. The medicine may decrease your body's ability to fight infections.
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:
Abdominal or stomach pain or cramps
black, tarry stools
bloating or swelling of the face, arms, hands, lower legs, or feet
blood in the urine or stools
body aches or pain
burning or stinging of the skin
decrease in the amount of urine
decreased frequency or amount of urine
difficult, burning, or painful urination
dizziness or lightheadedness
fast, pounding, or irregular heartbeat or pulse
fever or chills
flushed, dry skin
frequent urge to urinate
fruit-like breath odor
increase in heart rate
increased blood pressure
joint pain, stiffness, or swelling
loss of appetite
loss of consciousness
loss of voice
lower back, side, or stomach pain
muscle cramps in the hands, arms, feet, legs, or face
muscle spasms or twitching
nausea or vomiting
noisy, rattling breathing
numbness and tingling around the mouth, fingertips, hands, or feet
painful blisters on the trunk of the body
painful cold sores or blisters on the lips, nose, eyes, or genitals
pinpoint red spots on the skin
red, tender, or oozing skin at incision
sores, ulcers, or white spots on the lips or in the mouth
tightness in the chest
trouble breathing at rest or with exertion
unusual bleeding or bruising
unusual tiredness or weakness
unusual weight gain or loss
weakness or heaviness of the legs
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
blemishes on the skin
excess air or gas in the stomach or intestines
facial hair growth in females
full or round face, neck, or trunk
increased hair growth, especially on the face
increased thirst or urination
irritation in the mouth
loss of sexual desire or ability
muscle pains or stiffness
pain or tenderness around the eyes and cheekbones
redness and swelling of the gums
shakiness in the legs, arms, hands, or feet
sore mouth or tongue
stomach discomfort or upset
upper abdominal or stomach pain
white patches in the mouth 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.