Do not take this medicine with any of the following medications:
-MAOIS like Carbex, Eldepryl, Marplan, Nardil, and Parnate
-other stimulant medicines for attention disorders

This medicine may also interact with the following medications:
-acetazolamide
-ammonium chloride
-antacids
-ascorbic acid
-certain medicines for depression, anxiety, or psychotic disturbances
-certain medicines for stomach problems like cimetidine, famotidine, omeprazole, lansoprazole
-glutamic acid
-guanethidine
-methenamine; sodium acid phosphate
-reserpine
-sodium bicarbonate

They need to know if you have any of these conditions:
-circulation problems in fingers and toes
-heart disease or a heart defect
-high blood pressure
-history of a drug or alcohol abuse problem
-history of stroke
-kidney disease
-mental illness
-suicidal thoughts, plans, or attempt; a previous suicide attempt by you or a family member
-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

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.

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 20 and 25 degrees C (68 and 77 degrees F). Keep container tightly closed. Throw away any unused medicine after the expiration date.