amphetamine and dextroamphetamine, Adderall, Adderall XR (cont.)

Pharmacy Author:
Medical and Pharmacy Editor:

Blood pressure and heart rate may increase, and patients may experience palpitations of the heart.

Other important side effects include:

Priapism defined as painful and nonpainful penile erection lasting more than 4 hours, have been reported in pediatric and adult patients treated with stimulants. The erection usually resolves when the drug is stopped. Prompt medical attention is required in the event of suspected priapism.

GENERIC AVAILABLE: Yes (Adderall), No (Adderall XR)

PRESCRIPTION: Yes

PREPARATIONS: Adderall tablets: 5, 7.5, 10, 12.5, 15, 20, and 30 mg. Adderall XR capsules: 5, 10, 15, 20, 25, and 30 mg.

STORAGE: Tablets should be stored at room temperature, between 15 C and 30 C (59 F and 86 F).

DOSING: Adderall usually is taken once or twice a day. Doses should be separated by at least 4-6 hours. The recommended dose is 2.5 to 60 mg daily depending on the patient's age and the condition being treated. Adderall XR is taken once daily. The recommended dose is 5-40 mg daily administered in the morning. The entire contents of the Adderall XR capsules may be sprinkled into applesauce and consumed immediately. Amphetamines should be administered during waking hours and late evening doses should be avoided in order to avoid insomnia.

DRUG INTERACTIONS: Amphetamines should not be taken with monoamine oxidase (MAO) inhibitor drugs including phenelzine (Nardil), tranylcypromine (Parnate), and Zyvox; use of amphetamine within 14 days of using MAO inhibitor drugs should be avoided. Patients receiving antihypertensive medications may experience loss of blood pressure control with amphetamine. Antacids may increase absorption of amphetamine salts and increase their effectiveness and side effects.

Medically Reviewed by a Doctor on 1/30/2015


Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Pill Finder Tool

Need help identifying pills and medications?
Use the pill identifier tool on RxList.


Back to Medications Index