What should I watch for?
Visit your doctor or healthcare 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 or health care professional every time you need a refill.
This medicine may affect your concentration, or hide signs of tiredness. Until you know how this drug affects you, do not drive, ride a bicycle, use machinery, or do anything that needs mental alertness.
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.
Permanent loss of skin color may occur with the use of this medicine. Patches of lighter skin may appear in and around the area where the patch is applied. Lighter skin can also occur in places where the patch has never been applied. Monitor for signs of lighter areas of skin and report any changes in skin color to your health care professional right away.
This medicine patch is sensitive to certain body heat changes. If your skin gets too hot, more medicine will come out of the patch. Call your healthcare provider if you get a fever. Do not take hot baths. Do not sunbathe. Do not use hot tubs, saunas, hair dryers, heating pads, electric blankets, heated waterbeds, or tanning lamps. Do not do exercise that increases your body temperature.
For males, contact your doctor or healthcare professional right away if you have an erection that lasts longer than 4 hours or if it becomes painful. This may be a sign of a serious problem and must be treated right away to prevent permanent damage.
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.
If you are going to need surgery, a MRI, CT scan, or other procedure, tell your doctor that you are using this medicine. You may need to remove this patch before the procedure.
Do not apply this patch close to bedtime or wear longer than directed. It may prevent you from sleeping.
Tell your doctor or healthcare professional if this medicine loses its effects, or if you feel you need to take more than the prescribed amount. Do not change the dosage without talking to your doctor or healthcare professional.
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:
Aggressive and violent behavior
arm, back, or jaw pain
black, tarry stools
blistering, peeling, or loosening of the skin
blood in the urine
chest pain or discomfort
chest tightness or heaviness
cough or hoarseness
cracks in the skin
fast, pounding, or irregular heartbeat or pulse
heavier menstrual periods
joint or muscle pain
loss of heat from the body
pinpoint red spots on the skin
quick to react or overreact emotionally
rapidly changing moods
red, irritated eyes
red, swollen skin
seeing, hearing, or feeling things that are not there
severe or sudden headache
skin rash or itching
sores, ulcers, or white spots in the mouth or on the lips
sudden loss of coordination
sudden slurring of speech
twitching, twisting, or uncontrolled repetitive movements of the tongue, lips, face, arms, or legs
unusual bleeding or bruising
unusual tiredness or weakness
difficulty with breathing
loss of bladder control
severe muscle stiffness
uncontrolled vocal outbursts or tics (uncontrolled repeated body movements)
unusually pale skin
Incidence not known
Blistering, burning, crusting, dryness, or flaking of the skin
difficulty with swallowing
large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
painful or difficult urination
paleness or cold feeling in the fingertips and toes
puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
troubled breathing with exertion
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:
Abdominal or stomach pain
difficulty with moving
loss of appetite
muscle pain or stiffness
redness of the skin
Incidence not known
Bigger, dilated, or enlarged pupils (black part of the eye)
blurred or loss of vision
disturbed color perception
halos around lights
increased sensitivity of the eyes to light
overbright appearance of lights
thinning of the hair
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.