Atomoxetine, often known by the brand name Strattera, is a non-stimulant medication used to treat ADHD in kids, teens, and adults. It works by blocking norepinephrine reuptake, which can help improve attention and reduce impulsive behavior. Unlike stimulants, atomoxetine is not a controlled substance and has a different side-effect and safety profile.
You shouldn’t expect instant results. Most people start noticing changes in 2–4 weeks, with fuller benefits after 6–8 weeks. That slower onset is normal and doesn’t mean the drug won’t work for you.
Doctors set the dose based on age and body weight, especially in children. Adults often start at a low dose and increase after a few days to a maintenance dose. Take atomoxetine once or twice daily, with or without food—try to take it at the same time each day to keep levels steady.
If you miss a dose, take it as soon as you remember that day. Don’t double up the next dose. Stop or change the dose only under your doctor’s advice; sudden changes can affect mood or control of symptoms.
Common side effects include stomach upset, decreased appetite, sleep problems, dry mouth, dizziness, and mild mood changes. Most of these settle after a few weeks. Pay attention to bigger warning signs: new or worse mood changes, suicidal thoughts (more commonly seen in younger patients), severe stomach pain or jaundice (signs of liver problems), or sudden changes in heart rate or blood pressure.
Before starting atomoxetine, your doctor will usually check your heart history and baseline blood pressure and pulse. If you have high blood pressure, heart disease, or an irregular heartbeat, talk openly with your prescriber. Also tell your doctor about any antidepressants, especially MAOIs, or strong CYP2D6 inhibitors like fluoxetine or paroxetine, since those can raise atomoxetine levels.
For pregnant or breastfeeding people, data is limited. Discuss risks and benefits with your clinician if this applies to you. Pediatric and adult dosing differs, so don’t use adult doses for children without medical guidance.
Where to get it: atomoxetine requires a prescription. If you’re considering buying online, use only licensed pharmacies and verify they need a prescription. Be wary of sites offering prescription meds without asking for a valid prescription—those are risky and often illegal.
Keep follow-up appointments. Your doctor will monitor symptom response, side effects, weight (in kids), blood pressure, and mood changes. If the drug isn’t helping after a fair trial, your clinician can suggest alternatives or dose changes.
Questions? Ask your prescriber about expected timelines, how to handle side effects, and whether atomoxetine fits with other meds you take. It can be a solid option when stimulants aren’t right for you, but it needs careful monitoring and a proper prescription.
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