Non-stimulant ADHD meds: all the options
Strattera, Qelbree, guanfacine, clonidine, Wellbutrin and modafinil side by side. How each one feels, how fast it works, the usual side effects and who tends to pick it.
Adderall, Vyvanse and Ritalin help most people with ADHD. Not all, though. They can leave you wired, sleepless or never hungry, a heart problem or an old drug habit can make a doctor hesitate, and some months the pharmacy shelf is just empty. That’s where the non-stimulants come in, and there are more of them than most people realize.
Key points
- Four have an ADHD license: Strattera, Qelbree (US), Intuniv and slow-release clonidine (US).
- Three are borrowed: Wellbutrin, modafinil and armodafinil, all used off-label.
- Only modafinil and armodafinil are controlled in the US, at Schedule IV. The rest aren’t.
- Expect a slower, softer effect than a stimulant. Most need days or weeks to show what they can do.
The options at a glance
| Medicine | Licensed for ADHD? | How it feels | How fast | Most common side effects |
|---|---|---|---|---|
| Atomoxetine (Strattera) | Yes: US adults and children 6+, UK | Quiet background calm and focus | A few weeks | Nausea, dry mouth, less appetite, poor sleep |
| Viloxazine (Qelbree) | Yes: US adults and children 6+ | Similar to atomoxetine | Signs by week 2 in trials | Trouble sleeping, headache, nausea, tiredness |
| Guanfacine (Intuniv) | Yes: young people (US, UK); adults off-label | Calmer, less reactive | Built up over weeks | Sleepiness, tiredness, low blood pressure |
| Clonidine extended-release | Yes: US, on its own or with a stimulant | Similar to guanfacine | Built up over weeks | Sleepiness, tiredness, irritability, nightmares |
| Bupropion (Wellbutrin) | No, off-label | Mood and energy lift | Some by week 2 | Dry mouth, less appetite, sweating, tremor |
| Modafinil and armodafinil | No, off-label | More awake and driven | Same day | Headache, nausea, nervousness |
Which one might suit you?
Only a prescriber who knows you can choose, but these are the patterns people and guidelines describe:
- You want the best-studied non-stimulant: atomoxetine. A 2025 review of adult trials found that only stimulants and atomoxetine had solid evidence of easing ADHD symptoms.
- Anxiety, anger or emotional overload is a big part of it: guanfacine, which many users describe as calming, or clonidine.
- You’re in the US and Strattera’s side effects bothered you: Qelbree works in a similar way and its adult trial listed no sexual side effects.
- Low mood comes with the ADHD, or you’re quitting smoking: bupropion.
- Sleepiness and getting started are the main problem: modafinil or armodafinil, though the evidence for ADHD focus itself is weak.
- A stimulant helps but not enough: guanfacine and clonidine are licensed as add-ons to a stimulant in the US.
Where the guidelines put them
England’s NICE guideline still starts with stimulants: methylphenidate, or lisdexamfetamine. If an adult can’t take those or gets little from them, atomoxetine is next in line. Children and teens in the same spot can be offered atomoxetine or guanfacine. Anything further down the list, guanfacine for adults included, is meant to go through a specialist ADHD service. American prescribers have a wider menu, with Qelbree and slow-release clonidine both licensed there.
Two safety habits worth knowing
- Keep an eye on mood in the first months. Atomoxetine, viloxazine and bupropion each come with a warning about suicidal thoughts, mostly in young people. Tell the prescriber about any dark turn.
- Taper guanfacine and clonidine, never stop dead. Coming off them suddenly can send blood pressure soaring, so the dose steps down over a few weeks.
Read more
Strattera (atomoxetine)
The best-studied non-stimulant.
Qelbree (viloxazine)
The newer US option.
Guanfacine (Intuniv)
The calming one, and why you taper it.
Wellbutrin for ADHD
When mood is part of the picture.
Modafinil and armodafinil
Wakefulness medicines used off-label.
Indian brands
Axepta, Modalert, Waklert and more.
Sources
Checked 17 October 2026. Details and full sources are on each medicine's page.
- Strattera (atomoxetine) prescribing information — DailyMed
- Qelbree (viloxazine) prescribing information — DailyMed
- Intuniv (guanfacine extended-release) prescribing information — DailyMed
- Clonidine hydrochloride extended-release tablets prescribing information — DailyMed
- Attention deficit hyperactivity disorder: diagnosis and management (NG87), recommendations 1.7.10 to 1.7.17 — NICE (UK)
- Interventions for ADHD in adults, component network meta-analysis (Ostinelli et al., 2025) — The Lancet Psychiatry