Precautions
Drug information provided by: Merative, Micromedex®
It is very important that your doctor check your or your child's progress at regular visits to make sure the medicine is working properly. Blood and blood pressure tests may be needed to check for unwanted effects. Your doctor may occasionally stop treatment to check symptoms of ADHD.
Do not use this medicine if you are using or have used an MAO inhibitor (MAOI), including isocarboxazid [Marplan®], linezolid [Zyvox®], phenelzine [Nardil®], selegiline [Eldepryl®], tranylcypromine [Parnate®]), within the past 14 days.
If you have been using this medicine for a long time and you think you may have become mentally or physically dependent on it, check with your doctor right away. Some signs of dependence may be:
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A strong desire or need to continue using the medicine.
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A need to increase the dose to receive the same effects.
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Withdrawal effects after stopping the medicine including agitation, generalized slowing of mental and physical activity, increased appetite, trouble sleeping, unable to sleep, unpleasant dreams, unusual tiredness or weakness, or unusually deep sleep or long duration of sleep.
This medicine may cause serious heart or blood vessel problems. This may be more likely to occur in patients who have a family history of heart disease. Check with your doctor right away if you have chest pain, fast or uneven heartbeat, trouble breathing, or fainting while using this medicine.
Tell your doctor right away if you or your family notice any unusual changes in behavior, including an increase in aggression, hostility, agitation, irritability, or suicidal thinking or behavior. Also tell your doctor if you or your child see, hear, or feel things that are not there, or have any unusual thoughts, especially if they are new or getting worse quickly.
Symptoms of an overdose include: agitation, blurred vision, change in consciousness, chest pain or discomfort, confusion, dark urine, diarrhea, dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position, extremely high fever or body temperature, fast, pounding, or irregular heartbeat or pulse, headache, inability to speak, loss of bladder control, muscle cramps, pains, or stiffness, muscle spasm or jerking of all extremities, nausea, nervousness, overactive reflexes, pain or discomfort in the arms, jaw, back, or neck, pale, clammy skin, palpitations, panic states, physical attempt to injure, poor coordination, pounding in the ears, restlessness, seeing, hearing, or feeling things that are not there, seizures, shakiness in the legs, arms, hands, or feet, shivering, slurred speech, sudden loss of consciousness, sweating, swelling of the feet or lower legs, talking or acting with excitement you cannot control, temporary blindness, thirst, trembling or shaking of the hands or feet, trouble breathing, twitching, unusual tiredness or weakness, violent actions, vomiting, weakness in the arm or leg on one side of the body, sudden and severe. Call your doctor right away if you notice these symptoms.
This medicine may cause slow growth. If your child is using this medicine, the doctor will need to keep track of your child's height and weight.
This medicine may cause some people to feel a false sense of well-being or to become dizzy, lightheaded, or less alert than they are normally. It may also cause blurred vision or other vision problems. Do not drive or do anything else that could be dangerous until you or your child know how this medicine affects you.
This medicine may cause Raynaud's phenomenon, which is a problem with blood circulation in the fingers or toes. Tell your doctor if you or your child have tingling or pain, a cold feeling, paleness, or skin color changes in the fingers or toes, especially when exposed to cold temperatures. Call your doctor right away if you have unexplained sores or ulcers on your fingers or toes.
Check with your doctor right away if you or your child have anxiety, restlessness, a fast heartbeat, fever, sweating, muscle spasms, twitching, nausea, vomiting, diarrhea, or see or hear things that are not there. These may be symptoms of a serious condition called serotonin syndrome. Your risk may be higher if you also take certain other medicines that affect serotonin levels in your body.
Before you have any medical tests, tell the medical doctor in charge that you are using this medicine. The results of some tests may be affected by this medicine.
Avoid drinking alcohol while using this medicine.
Use with medications that increase stomach or urine alkalinity, including sodium bicarbonate, acetazolamide, and some thiazide diuretics (water pill) should be avoided. .
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines, herbal (eg, St. John's wort) or vitamin supplements, and medicine for appetite control, asthma, colds, cough, hayfever, or sinus problems.
Portions of this document last updated: April 01, 2024
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