SIDE EFFECTS: Loss of appetite, weight loss, dry mouth, stomach upset/pain, nausea/vomiting, dizziness, headache, diarrhea, fever, nervousness, and trouble sleeping may occur. If any of these effects persist or worsen, notify your doctor promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur: mental/mood/behavior changes (e.g., agitation, aggression, mood swings, depression, abnormal thoughts), uncontrolled movements, continuous chewing movements/teeth grinding, outbursts of words/sounds, change in sexual ability/desire.

Seek immediate medical attention if any of these rare but very serious side effects occur: shortness of breath, chest pain, fainting, severe headache, fast/pounding/irregular heartbeat, jaw/left arm pain, seizures, swelling of the ankles/feet, extreme tiredness, blurred vision, weakness on one side of the body, slurred speech, confusion.

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Read the Adderall (amphetamine, dextroamphetamine mixed salts) Side Effects Center for a complete guide to possible side effects »

PRECAUTIONS: Before taking this medication, tell your doctor or pharmacist if you are allergic to it; or to sympathomimetic drugs (e.g., epinephrine, pseudoephedrine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: certain mental/mood conditions (e.g., agitation, psychosis), heart/blood vessel disease (e.g., irregular heartbeat, coronary artery disease, angina, heart failure, cardiomyopathy), problems with heart structure (e.g., valve problems), history of heart attack or stroke, moderate or severe high blood pressure (hypertension), overactive thyroid (hyperthyroidism), a certain eye problem (glaucoma), personal or family history of regular use/abuse of drugs/alcohol.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: personal or family history of uncontrolled movements or outbursts of words/sounds (e.g., due to Tourette's syndrome), family history of sudden death/irregular heartbeat/rhythm, mild high blood pressure (hypertension), kidney disease, liver disease, family/personal history of mental/mood disorders (e.g., bipolar disorder, depression, psychotic disorder, suicidal thoughts), seizures.

This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

Before having surgery, tell your doctor or dentist that you are taking this medication.

Caution is advised when using this drug in children because it may affect weight, growth rate, and final height. The doctor may recommend temporarily stopping the medication from time to time to avoid this risk. Consult your doctor or pharmacist for more details. This drug is not recommended for use in children under 3.

This medication should be used only when clearly needed during pregnancy. Infants born to mothers dependent on this medication may have birth defects, be born too soon (premature delivery), and have low birth weight. They may also have withdrawal symptoms. Tell your doctor immediately if you notice possible mood changes, agitation, or unusual tiredness in your newborn. Discuss the risks and benefits with your doctor.

This medication passes into breast milk and may have undesirable effects on a nursing infant. Breast-feeding is not recommended while using this drug. Consult your doctor before breast-feeding.