Non-stimulant medications
Reviewed: [date]
Not everyone with ADHD can or should take a stimulant, and not everyone who can wants to. Non-stimulant medications are a genuine alternative rather than a consolation prize, though they work differently and on a different timescale.
What they do
Rather than rapidly increasing dopamine and norepinephrine availability, non-stimulants act more gradually — some by affecting norepinephrine reuptake, others by acting on receptors involved in regulating attention and impulse control. The effect builds over weeks and stays relatively steady through the day, without the peaks and wearing-off that stimulants can produce.
The main trade-off
Stimulants often show an effect within hours. Non-stimulants typically take between two and six weeks to reach full effect, sometimes longer. On average, the size of the benefit is more modest. In exchange, you get a steadier daily experience, no controlled-substance restrictions, and a different side-effect profile.
That trade-off is worth it for a lot of people — particularly those who find stimulants make their anxiety worse, disturb their sleep, or produce an unpleasant crash.
Side effects
These vary by medication, but commonly include fatigue or drowsiness, nausea or stomach upset, dry mouth, dizziness, and lowered blood pressure or heart rate with some options. Certain non-stimulants carry a boxed warning regarding suicidal thoughts in children and young adults, which your clinician will discuss with you if it applies.
Tell your clinician promptly about new or worsening thoughts of self-harm, signs of liver problems such as yellowing skin or dark urine, or a significant mood change after starting any new medication. In a crisis, call or text 988.
Who they often suit
- People with a cardiac history or blood pressure that makes stimulants unwise.
- People with a history of substance use disorder.
- People whose anxiety worsens noticeably on stimulants.
- People who tried stimulants and couldn't tolerate the side effects.
- People who would simply rather not take a controlled substance, which is a legitimate preference.
Combination treatment
Stimulants and non-stimulants are sometimes prescribed together, where one alone doesn't cover the whole day or the whole symptom picture. That is a clinical decision requiring closer monitoring, not a default.
Stopping
Some non-stimulants should not be stopped abruptly — doing so can cause a rebound in blood pressure or other withdrawal effects. If you want to come off a medication, talk to your clinician about tapering rather than simply stopping.