Amphetamine and Dextroamphetamine: Uses, Side Effects, Risks & Safety Guide

Amphetamine and dextroamphetamine is a combination stimulant medication. It belongs to a class of drugs called central nervous system (CNS) stimulants. It is most commonly known by the brand names: Adderall (immediate-release) Adderall XR (extended-release) Mydayis (longer-acting extended-release) This medication comes in both immediate-release tablets and extended-release capsules. It is classified as a Schedule II controlled substance because it has a high potential for abuse and dependence.

This medication works by increasing the levels of certain chemicals in the brain — mainly dopamine and norepinephrine. These chemicals play a key role in attention, focus, and impulse control. By boosting these brain chemicals, the medication helps: Improve focus and attention Reduce hyperactivity and impulsivity Increase wakefulness (in people with narcolepsy) It does not cure ADHD or narcolepsy — it helps manage the symptoms while it is being taken.

Doctors prescribe amphetamine and dextroamphetamine for two main conditions: Condition How It Helps Common Age Group ADHD Improves focus, reduces hyperactivity & impulsivity Children, teens & adults Narcolepsy Helps reduce excessive daytime sleepiness Adults It may sometimes be used for other conditions as determined by a doctor.

Immediate-release tablets (Adderall): Usually taken 1–3 times per day Extended-release capsules (Adderall XR, Mydayis): Taken once daily in the morning Important tips: Take it first thing in the morning to avoid sleep problems at night. Extended-release capsules can sometimes be opened and sprinkled on applesauce (check with your doctor or pharmacist). Never crush or chew extended-release forms. Your doctor will start with a low dose and adjust it based on your response.

Many people experience side effects, especially when first starting the medication. Common ones include: Loss of appetite and weight loss Trouble sleeping (insomnia) Dry mouth Headache Stomach pain or nausea Increased heart rate or blood pressure Feeling nervous, irritable, or anxious Dizziness These side effects often improve as your body adjusts, but you should always report them to your doctor.

Amphetamine and dextroamphetamine carries several serious warnings: 1. High Risk of Abuse and Addiction This is a controlled substance. Misuse can lead to addiction, overdose, or even death. Never take more than prescribed or share it with others. 2. Heart-Related Risks Stimulants can cause serious heart problems, including: Increased blood pressure and heart rate Heart attack Stroke Sudden death (especially in people with existing heart conditions) Tell your doctor if you have any history of heart problems, high blood pressure, or family history of sudden cardiac death. 3. Mental Health Effects The medication can cause or worsen: New or worsening psychosis (hallucinations, paranoia) Mania or bipolar symptoms Aggression or hostility Anxiety and agitation 4. Growth Suppression in Children Long-term use may slow growth in children. Doctors usually monitor height and weight regularly. 5. Circulation Problems Some people develop numbness, pain, or color changes in fingers or toes (Raynaud’s phenomenon).

You should not take this medication if you have: Heart disease, high blood pressure, or certain heart defects Used an MAO inhibitor (such as selegiline, phenelzine, or linezolid) in the past 14 days Glaucoma Severe anxiety, tension, or agitation History of drug or alcohol addiction Overactive thyroid (hyperthyroidism) Known allergy to amphetamines Always give your doctor a full medical history before starting this medication.

Keep the medication in a safe place — it is commonly misused. Avoid drinking alcohol while taking it. Do not take vitamin C supplements or drink fruit juices at the same time as the medication (they can reduce absorption). Tell your doctor about all other medications you take (especially antidepressants and blood pressure medicines). Regular follow-up visits with your doctor are essential.

Is Adderall the same as amphetamine and dextroamphetamine? Yes. Adderall is the brand name for the combination of amphetamine and dextroamphetamine salts. Can it cause addiction? Yes. It has a high potential for misuse and dependence. This is why it is strictly regulated. How long does it take to work? Immediate-release forms usually start working within 30–60 minutes. Extended-release versions take longer to start but last throughout the day. Can adults take it for ADHD? Yes. Many adults are successfully treated with this medication under proper medical supervision. What happens if I stop taking it suddenly? You may experience fatigue, depression, or increased sleepiness. Always talk to your doctor before stopping.

Amphetamine and dextroamphetamine can be very effective for managing ADHD and narcolepsy when used correctly under medical supervision. However, because of its serious risks — including heart problems, mental health effects, and high potential for abuse — it must be taken exactly as prescribed. Never use this medication without a doctor’s supervision, and always discuss the benefits and risks with your healthcare provider. Important Medical Disclaimer This article is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Amphetamine and dextroamphetamine is a prescription medication with significant risks. Always consult your doctor or healthcare provider before starting, changing, or stopping any medication. Never share this medication with others. Information is based on publicly available sources including Drugs.com and prescribing information as of 2026. Treatment guidelines can change, so please speak with your healthcare team for personalized advice.