What should I watch for?
Visit your doctor or health care professional for regular checks on your progress. This prescription requires that you follow special procedures with your doctor and pharmacy. You will need to have a new written prescription from your doctor every time you need a refill.
This medicine may affect your concentration, or hide signs of tiredness. Until you know how this medicine affects you, do not drive, ride a bicycle, use machinery, or do anything that needs mental alertness.
Tell your doctor or health care professional if this medicine loses its effects, or if you feel you need to take more than the prescribed amount. Do not change the dose without talking to your doctor or health care professional.
Decreased appetite is a common side effect when starting this medicine. Eating small, frequent meals or snacks can help. Talk to your doctor if you continue to have poor eating habits. Height and weight growth of a child taking this medicine will be monitored closely.
Do not take this medicine close to bedtime. It may prevent you from sleeping.
If you are going to need surgery, a MRI, CT scan, or other procedure, tell your doctor that you are taking this medicine. You may need to stop taking this medicine before the procedure.
Tell your doctor or healthcare professional right away if you notice unexplained wounds on your fingers and toes while taking this medicine. You should also tell your healthcare provider if you experience numbness or pain, changes in the skin color, or sensitivity to temperature in your fingers or toes.
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:
seeing, hearing, or feeling things that are not there
Incidence not known
chest discomfort or pain
false or unusual sense of well-being
fast, pounding, or irregular heartbeat or pulse
pounding in the ears
shakiness in the legs, arms, hands, or feet
swelling of the feet or lower legs
trembling or shaking of the hands or feet
twitching, twisting, or uncontrolled repetitive movements of tongue, lips, face, arms, or legs
unable to sleep
uncontrolled vocal outbursts and/or tics (uncontrolled repeated body movements)
unusual tiredness or weakness
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
Change in consciousness
feeling sad or empty
lack of appetite
loss of consciousness
loss of interest or pleasure
mood or mental changes
muscle cramps or spasms
muscle pain or stiffness
physical attempt to injure
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:
Incidence not known
Bad, unusual, or unpleasant (after) taste
change in taste
decreased interest in sexual intercourse
inability to have or keep an erection
loss in sexual ability, desire, drive, or performance
passing of gas
redness of the skin
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.