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 drug 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 dosage without talking to your doctor or health care professional.
For males, contact your doctor or health care 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 medication will be monitored closely.
Do not take this medicine close to bedtime. It may prevent you from sleeping.
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.
Side Effects to watch for
Side effects that you should report to your doctor or health care professional as soon as possible:
- allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
- changes in emotions or moods
- fingers or toes feel numb, cool, painful
- hallucination, loss of contact with reality
- high blood pressure
- males: prolonged or painful erection
- signs and symptoms of a dangerous change in heartbeat or heart rhythm like chest pain; dizziness; fast or irregular heartbeat; palpitations; feeling faint or lightheaded, falls; breathing problems
- signs and symptoms of a stroke like changes in vision; confusion; trouble speaking or understanding; severe headaches; sudden numbness or weakness of the face, arm, or leg; trouble walking; dizziness; loss of balance or coordination
- suicidal thoughts or other mood changes
- uncontrollable head, mouth, neck, arm, or leg movements
Side effects that usually do not require medical attention (Report these to your doctor or health care professional if they continue or are bothersome.):
What may interact with this drug?
Do not take this medicine with any of the following medications:
- MAOIS like Carbex, Eldepryl, Marplan, Nardil, and Parnate
- other stimulant medicines for attention disordersThis medicine may also interact with the following medications:
- ammonium chloride
- ascorbic acid
- certain medicines for depression, anxiety, or psychotic disturbances
- certain medicines for stomach problems like cimetidine, famotidine, omeprazole, lansoprazole
- glutamic acid
- methenamine; sodium acid phosphate
- sodium bicarbonate