Amphetamine vs Adderall: Key Differences, Similarities, and What You Should Know
Introduction
When it comes to treatments for conditions like ADHD (Attention-Deficit/Hyperactivity Disorder) or narcolepsy, few names come up more often than Adderall and amphetamine. Though often used interchangeably, these two are not exactly the same. If you’re confused about the differences between Amphetamine vs Adderall, you’re not alone.

In this guide, we’ll break down everything you need to know — including what each one is, how they work, how they’re used, and how they compare. Whether you’re a patient, parent, or simply curious, this article aims to clear up the confusion.
What Is Amphetamine?
Amphetamine is a central nervous system (CNS) stimulant. It belongs to a class of compounds known as phenethylamines and is used to treat several medical conditions, including ADHD and narcolepsy. It works by increasing the levels of key neurotransmitters in the brain — mainly dopamine and norepinephrine — which help improve focus, attention, and energy levels.
Amphetamine can come in different chemical forms, such as:
- Levoamphetamine
- Dextroamphetamine
- Mixed amphetamine salts
Amphetamine is also the active ingredient in several prescription medications, including Adderall, Evekeo, and Dexedrine.
What Is Adderall?
Adderall is a brand name medication that contains a mixture of amphetamine salts. Specifically, it includes:
- Dextroamphetamine sulfate
- Amphetamine sulfate
- Dextroamphetamine saccharate
- Amphetamine aspartate monohydrate
This combination is designed to provide a balanced and sustained stimulant effect. Adderall is available in two main forms:
- Adderall IR (Immediate-Release): Typically taken 2–3 times per day
- Adderall XR (Extended-Release): Designed to last all day with one dose
Adderall is commonly prescribed to both children and adults for the treatment of ADHD and narcolepsy. It’s one of the most widely used stimulant medications in the world.
Key Similarities Between Amphetamine and Adderall
Since Adderall contains amphetamine, it makes sense that the two share many similarities:
| Feature | Amphetamine | Adderall |
|---|---|---|
| Drug Class | Stimulant | Stimulant |
| Active Ingredients | Amphetamine compounds | Mixed amphetamine salts |
| Mechanism of Action | Boosts dopamine and norepinephrine | Same |
| Used For | ADHD, narcolepsy | ADHD, narcolepsy |
| Potential Side Effects | Insomnia, appetite loss, anxiety | Same |
In essence, Adderall is a specific brand of amphetamine-based medication, but not all amphetamine medications are Adderall.
Main Differences Between Amphetamine and Adderall
Here’s where the two diverge:
1. Formulation
While amphetamine can refer to a wide range of products or compounds, Adderall has a unique formula made from four distinct amphetamine salts. This combination aims to provide more consistent symptom control throughout the day.
2. Brand vs. Generic
- Amphetamine may refer to generic medications, such as dextroamphetamine or amphetamine sulfate.
- Adderall is a proprietary blend under a registered brand name (though generic versions are available).
3. Availability
Some amphetamine medications may focus on single-enantiomer forms like dextroamphetamine, which is thought to be more potent. Adderall mixes both levo- and dextroamphetamine for a more balanced effect.
4. Cost and Insurance
Generic amphetamine products are sometimes less expensive than Adderall, depending on insurance coverage and availability. However, some patients find Adderall’s formulation more effective or tolerable.
Amphetamine vs Adderall. How Do They Compare in Effectiveness?
The effectiveness of Adderall versus amphetamine largely depends on the individual. Some people may respond better to a single amphetamine salt (like dextroamphetamine), while others benefit more from the mixed-salt profile of Adderall.
Doctors often try different stimulant medications to find the best fit based on:
- Symptom control
- Duration of effect
- Side effects
- Patient history
There is no “one-size-fits-all” answer. Both amphetamine-based drugs can be highly effective when prescribed and used properly.

Amphetamine vs Adderall. Safety and Side Effects
Because both drugs are CNS stimulants, they share similar side effects:
Common side effects:
- Insomnia or difficulty sleeping
- Decreased appetite
- Increased heart rate
- Anxiety or irritability
- Dry mouth
Serious (but rare) side effects:
- High blood pressure
- Heart problems
- Risk of dependency or misuse
Important: These medications should only be taken under a doctor’s supervision. Misuse of amphetamines can lead to addiction, cardiovascular issues, or even psychological disorders.
Amphetamine vs Adderall. Which One Is Right for You?
Choosing between Adderall and other amphetamine medications depends on several factors:
- Your medical history
- How your body responds to stimulants
- Your insurance and budget
- How long you need symptom control throughout the day
A healthcare provider will usually start you on a low dose and make adjustments based on your response.

Final Thoughts: Amphetamine vs Adderall
While Adderall is made from amphetamine, not all amphetamine drugs are Adderall. The main differences lie in the formulation, delivery method, and individual response. Both can be highly effective treatments for ADHD and narcolepsy, but finding the right medication often involves trial and error under medical supervision.
If you’re considering treatment or switching medications, talk to your doctor about the options. Understanding the difference between Adderall and amphetamine could help you make a more informed decision.
Sources
Fitzgerald, Kevin T., and Alvin C. Bronstein. “Adderall®(amphetamine-dextroamphetamine) toxicity.” Topics in companion animal medicine 28.1 (2013): 2-7. https://www.sciencedirect.com/science/article/abs/pii/S193897361300024X
Biederman, Joseph, et al. “A randomized, double-blind, placebo-controlled, parallel-group study of SLI381 (Adderall XR) in children with attention-deficit/hyperactivity disorder.” Pediatrics 110.2 (2002): 258-266. https://publications.aap.org/pediatrics/article-abstract/110/2/258/64390/A-Randomized-Double-Blind-Placebo-Controlled

