Health Library: ABCDEFGHIJKLMNOPQRSTUVWXYZ

Amphetamine Salts Oral tablet

What is this medicine?

AMPHETAMINE; DEXTROAMPHETAMINE(am FET a meen; dex troe am FET a meen) is used to treat attention-deficit hyperactivity disorder (ADHD). It may also be used for narcolepsy. Federal law prohibits giving this medicine to any person other than the person for whom it was prescribed. Do not share this medicine with anyone else.

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Take your doses at regular intervals. Do not take your medicine more often than directed. Do not suddenly stop your medicine. You must gradually reduce the dose or you may feel withdrawal effects. Ask your doctor or health care professional for advice.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed. While this drug may be prescribed for children as young as 3 years for selected conditions, precautions do apply.

What side effects may I notice from receiving this medicine?

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

  • anxiety, nervousness

  • changes in mood or behavior

  • chest pain

  • fast, irregular heartbeat

  • fever, or hot, dry skin

  • high blood pressure

  • muscle twitching

  • uncontrollable head, mouth, neck, arm, or leg movements

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • difficulty sleeping

  • dizziness or light headedness

  • headache

  • nausea, vomiting

  • stomach cramps

  • weight loss

What may interact with this medicine?

Do not take this medicine with any of the following medications:

  • alcohol

  • certain migraine headache medicines like almotriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, sumatriptan, zolmitriptan

  • lithium

  • medicines called MAO inhibitors like Nardil, Parnate, Marplan, Eldepryl

  • medicines to decrease appetite or cause weight loss

  • melatonin

  • meperidine

  • other stimulant medications like dexmethylphenidate, methylphenidate, modafinil

  • pimozide

  • procarbazine

This medicine may also interact with the following medications:

  • acetazolamide

  • ammonium chloride

  • ascorbic acid

  • glutamic acid

  • medicines for colds, sinus, and breathing difficulties

  • medicines for depression, anxiety, or psychotic disturbances

  • medicines for high blood pressure and heart medicines

  • methenamine

  • norepinephrine

  • propoxyphene

  • seizure (convulsion) or epilepsy medicine

  • sodium acid phosphate

  • sodium bicarbonate

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

Where should I keep my medicine?

Keep out of the reach of children. This medicine can be abused. Keep your medicine in a safe place to protect it from theft. Do not share this medicine with anyone. Selling or giving away this medicine is dangerous and against the law.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Keep container tightly closed. Throw away any unused medicine after the expiration date.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

  • glaucoma

  • hardening or blockages of the arteries or heart blood vessels

  • heart disease or a heart defect

  • high blood pressure

  • history of alcohol or drug abuse

  • history of stroke

  • over-active thyroid gland

  • psychotic illness, depressed mood, or suicidal thoughts

  • recent weight loss

  • seizure disorder

  • Tourette's syndrome

  • an unusual or allergic reaction to dextroamphetamine, other amphetamines, other medicines, foods, dyes, or preservatives

  • pregnant or trying to get pregnant

  • breast-feeding

What should I watch for while using this medicine?

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 dosage 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.

If you are going to have surgery or will need an x-ray procedure that uses contrast agents, tell your doctor or health care professional that you are taking this medicine.