ADHD Medications Explained: A Complete Guide to Your Options, From Stimulants to the Newest Non-Stimulants

If you have ever typed “Adderall vs Vyvanse,” “is there a non-stimulant for ADHD,” or “new ADHD medication” into a search bar, you are far from alone. Once you or your child receives an ADHD diagnosis, the sheer number of medication names, including Adderall, Ritalin, Concerta, Vyvanse, Strattera, Qelbree, and Intuniv, can feel overwhelming. They all seem similar, yet somehow different, and it is hard to know where to even begin the conversation.

Here is the reassuring reality: ADHD is one of the most treatable conditions in all of medicine, and there is a wide and growing menu of effective options. They fall into a few logical categories, and understanding those categories is the best way to walk into an appointment feeling informed rather than lost.

This guide is a plain-language overview of the major ADHD medications by name, what they are approved to treat, and their common side effects. Think of it as a starting map, something to read through, note what sparks your curiosity, and bring to a conversation with your prescriber. It is not a substitute for that conversation, and it intentionally leaves out specific doses, because the right dose is always an individual decision made with a clinician.

The Two Big Families: Stimulants and Non-Stimulants

Nearly every ADHD medication belongs to one of two broad groups: stimulants and non-stimulants.

• Stimulants are the oldest and most effective class, and are considered first-line treatment. They work by boosting the brain chemicals dopamine and norepinephrine, which help with focus, follow-through, and impulse control. They have the largest effect on symptoms of any ADHD medication.
• Non-stimulants generally work more gradually and have a somewhat smaller effect on symptoms, but they are excellent options for people who do not tolerate stimulants, do not respond well to them, have certain other conditions, or prefer to avoid a controlled substance.

Most people, more than 9 in 10 when the full range is tried, eventually find a medication that works well. Finding it is often a process of thoughtful trial and adjustment, not a one-shot guess.

Stimulants: The First-Line Options

Stimulants come in two chemical families. A key point many people do not realize: these two families are distinct, and responding poorly to one does not mean you will respond poorly to the other. About 40% of people respond well to both, and about 40% respond to only one. Both are FDA-approved for children aged 6 and up and for adults, and both come in short-acting and long-acting forms.

Amphetamine-based stimulants

This family works in two ways. Like methylphenidate, it blocks the reuptake of dopamine and norepinephrine, but it also does something methylphenidate does not: actively pushing extra dopamine out of the nerve cell into the synapse. This added release-promoting action is thought to be why, on average, amphetamines produce a slightly larger effect on ADHD symptoms than methylphenidate at the group level, though this is a modest edge, and many people still do best on methylphenidate.

• Mixed amphetamine salts (Adderall, Adderall XR, Mydayis). The classic amphetamine option. Adderall is short-acting, roughly 5 to 7 hours; Adderall XR and Mydayis are long-acting, roughly 10 to 16 hours, for once-daily all-day coverage. Common side effects: decreased appetite, insomnia, headache, dry mouth, weight loss, and small increases in heart rate and blood pressure.
• Lisdexamfetamine (Vyvanse). A long-acting prodrug, meaning it is inactive until the body converts it to dextroamphetamine, which gives a smooth, gradual onset and a lower abuse potential than immediate-release forms. Available as a capsule or chewable tablet. Common side effects: decreased appetite, insomnia, abdominal discomfort, nausea, headache, irritability, and weight loss.
• Dextroamphetamine (Dexedrine, Dexedrine Spansule, Zenzedi). A single-ingredient amphetamine available in short-acting and intermediate-acting forms. Common side effects: nausea, decreased appetite, insomnia, abdominal discomfort, nervousness.
• Dextroamphetamine transdermal patch (Xelstrym). A skin patch FDA-approved for children 6 and up and adults, useful for those who have trouble swallowing pills or want flexible wear time, typically worn 9 hours. Common side effects mirror other amphetamines, and the patch can also cause skin irritation at the application site.
• Other long-acting amphetamines (Adzenys XR-ODT, Dyanavel XR). Orally dissolving tablet and liquid suspension formulations for patients who prefer not to swallow capsules. Side effects are the same amphetamine class effects noted above.

Methylphenidate-based stimulants

This family blocks the reuptake of dopamine and norepinephrine.

• Methylphenidate immediate-release (Ritalin, Methylin). The original short-acting methylphenidate, roughly 3 to 6 hours, available as tablets, chewable tablets, and solution. Common side effects: decreased appetite, insomnia, headache, dry mouth, nausea, abdominal pain, and mild increases in heart rate and blood pressure.
• Methylphenidate extended-release, oral (Concerta, Ritalin LA, Metadate ER and CD, Quillichew ER, Cotempla XR-ODT). Long-acting once-daily options using different delivery systems. Concerta is an osmotic-release tablet lasting 8 to 12 hours; Ritalin LA and Metadate are extended-release capsules; Quillichew ER is a chewable and Cotempla XR-ODT an orally dissolving tablet. Same methylphenidate side-effect profile as above.
• Methylphenidate oral suspension (Quillivant XR). A once-daily long-acting liquid, roughly 12 hours, helpful for patients who cannot swallow pills.
• Methylphenidate transdermal patch (Daytrana). A skin patch worn for up to 9 hours, allowing flexible duration by removing it early. In addition to the usual methylphenidate side effects, it can cause skin irritation and, rarely, skin color changes at the site.
• Dexmethylphenidate (Focalin, Focalin XR). A purified, more potent form of methylphenidate, roughly twice as strong per milligram, available short-acting and long-acting. Common side effects: decreased appetite, nausea, abdominal discomfort, dry mouth, anxiety, and insomnia.

A note on stimulant side effects overall

These are largely a class effect shared across every agent above: appetite suppression, insomnia, headache, dry mouth, stomach upset, and sometimes irritability or a wearing-off slump as the dose fades. Stimulants cause small increases in heart rate and blood pressure, so these are typically checked before and during treatment. In children, long-term use can modestly slow growth, roughly 1 to 3 cm in projected height, which is monitored over time. Rare but serious effects include new tics or, uncommonly, hallucinations or other psychotic symptoms, and a personal and family heart history is reviewed before starting since these are controlled substances.

Non-Stimulants: Alternatives and Add-Ons

Non-stimulants are the main alternative when stimulants are not the right fit, whether due to side effects, inadequate response, coexisting anxiety or tics, or a preference to avoid a controlled medication. Some are also used alongside a stimulant.

Norepinephrine-based non-stimulants

• Atomoxetine (Strattera). A norepinephrine reuptake inhibitor, FDA-approved for children 6 and up and adults. It builds effect gradually over several weeks. Common side effects: stomach upset, decreased appetite, nausea, fatigue, drowsiness, and in adults sometimes sexual side effects. It can mildly raise heart rate and blood pressure, carries a boxed warning for suicidal thoughts, especially early on, and very rarely affects the liver.
• Viloxazine ER (Qelbree). A newer once-daily norepinephrine-modulating option, FDA-approved for children 6 and up and adults. It tends to work somewhat faster than atomoxetine, within 1 to 2 weeks. Common side effects: sleepiness, fatigue, irritability, decreased appetite, and headache. It can also nudge up blood pressure and heart rate and carries the same boxed warning for suicidal thoughts.

Alpha-2 agonists

These are FDA-approved for children and adolescents aged 6 to 17, and used off-label or as add-ons in adults.

• Guanfacine ER (Intuniv). Often helpful for hyperactivity, impulsivity, and irritability, and frequently used as an add-on to a stimulant. Common side effects: drowsiness, fatigue, dizziness, dry mouth, irritability, and low blood pressure or slow heart rate. It must be tapered off slowly and never stopped abruptly, because sudden discontinuation can cause rebound high blood pressure.
• Clonidine ER (Kapvay). Similar to guanfacine, and particularly useful for sleep problems, tics, or as an add-on to stimulants. Common side effects: drowsiness, fatigue, dizziness, dry mouth, and low blood pressure or slow heart rate. Like guanfacine, it must be tapered gradually and not stopped suddenly.

Newest non-stimulant (2026)

• Centanafadine (Simtriyo). FDA-approved in July 2026, this non-stimulant works differently from older options by blocking the reuptake of three brain chemicals: norepinephrine, dopamine, and serotonin. Common side effects in trials were decreased appetite, nausea, and headache, and it was generally well tolerated. Its symptom benefit is meaningful but more modest than that of stimulants, making it a welcome option, particularly for patients seeking a non-controlled medication, rather than a replacement for first-line therapy.

What About Off-Label Medications?

Occasionally a prescriber may consider a medication that is not specifically FDA-approved for ADHD but has supporting evidence, most commonly the antidepressant bupropion (Wellbutrin), sometimes used when depression coexists with ADHD. With today’s expanded list of approved options, the need for off-label choices has become less common, and any such decision is highly individualized.

How Do You and Your Prescriber Choose?

There is no single best ADHD medication, only the best fit for a particular person. The choice weighs factors like:

• Age, since some medications are approved only for children while others also include adults.
• Other health conditions such as anxiety, tics, sleep problems, or heart history, which may steer toward or away from certain options.
• Side-effect tolerance and personal preference, including whether you want to avoid a controlled substance.
• Daily schedule, which influences short-acting versus long-acting formulations.

Because response is so individual, expect the first choice to be a well-reasoned starting point that may be fine-tuned over time.

A Quick-Reference Overview

The table below summarizes the main categories for easy scanning. It is a conversation starter, not a prescribing guide.

Scroll sideways on a phone to see the full table. Doses are intentionally omitted, because the right dose is always an individual decision made with a prescriber.

Reading about your options is a great first step, but choosing among them is a partnership. If you are newly diagnosed, curious whether a different medication might suit you better, or interested in the newest non-stimulant options, you deserve a prescriber who will take the time to match the right treatment to your life and goals.