What should I watch for?
Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse. Your vision and blood may be tested before and during use of this medicine.
Tell your doctor or health care professional right away if you have any change in your eyesight.
After the first dose, you will be watched for at least 6 hours. Children will also be watched for at least 6 hours if their dose is increased. If you miss more than 1 dose, you may need to be watched by a health care professional when you take your next dose; do not start taking it again without talking with your doctor.
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.
Women should inform their doctor if they wish to become pregnant or think they might be pregnant. There is a potential for serious side effects to an unborn child. If you are a female who can become pregnant, you should use effective birth control during your treatment with this medicine and for at least 2 months after you stop taking it. Talk to your health care professional or pharmacist for more information.
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:
difficult or labored breathing
general feeling of discomfort or illness
loss of appetite
muscle aches and pains
pounding in the ears
slow or fast heartbeat
tightness in the chest
unusual tiredness or weakness
Black, tarry stools
burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
chest pain or discomfort
headache, severe and throbbing
lightheadedness, dizziness, or fainting
lower back or side pain
painful or difficult urination
sores, ulcers, or white spots on the lips or in the mouth
unusual bleeding or bruising
Incidence not known
difficulty in speaking
inability to move the arms, legs, or facial muscles
inability to speak
yellow skin and eyes
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:
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.