About atomoxetine hydrochloride
Selective norepinephrine reuptake inhibitor
Used for
- Attention-deficit/hyperactivity disorder (ADHD)
Usual adult dose
Usually starts at 40 mg daily, increasing to 80 mg daily; maximum 100 mg daily.
Usual dose in children
For children weighing up to 70 kg: starts at 0.5 mg/kg daily, usually increasing to 1.2 mg/kg daily; maximum 1.4 mg/kg or 100 mg daily, whichever is lower.
Common side effects
- Reduced appetite, nausea, or stomach pain
- Tiredness or sleepiness
- Dry mouth
- Increased heart rate or blood pressure
Important warnings
- May increase suicidal thoughts, especially early in treatment.
- Rarely causes severe liver injury.
- Can increase blood pressure and heart rate; serious heart problems need assessment.
- Seek urgent care for allergic reactions, severe mood changes, or unusual heart symptoms.
Pregnancy
Use during pregnancy only when a clinician determines benefits outweigh potential risks; human safety information is limited.
Breastfeeding
It is unclear whether atomoxetine passes into breast milk; discuss risks with a healthcare professional.
Interactions
- Monoamine oxidase inhibitors: unsafe together; allow at least 14 days between treatments.
- Fluoxetine, paroxetine, or quinidine can raise atomoxetine levels.
- Medicines that raise blood pressure or heart rate may increase effects.
- Albuterol and similar medicines may increase cardiovascular effects.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.