About levalbuterol tartrate
Short-acting beta-2 agonist bronchodilator
Used for
- Quick relief of wheezing and shortness of breath from asthma
- Prevention of exercise-induced bronchospasm
Usual adult dose
Asthma: 2 inhalations every 4–6 hours as needed. Exercise prevention: 2 inhalations 15–30 minutes beforehand.
Usual dose in children
Age 4 years and older: 2 inhalations every 4–6 hours as needed; for exercise, 2 inhalations 15–30 minutes beforehand.
Common side effects
- Shakiness or nervousness
- Headache
- Fast heartbeat or palpitations
- Dizziness
Important warnings
- Overuse may signal worsening asthma and can cause serious heart effects.
- Rarely, inhalation can immediately worsen wheezing; stop and seek urgent care.
- Use caution with heart rhythm problems, high blood pressure, or seizures.
- Do not exceed prescribed use; seek emergency care for severe breathing difficulty.
Pregnancy
Use when needed under clinician guidance; available human data have not identified a clear risk of birth defects.
Breastfeeding
Information is limited; inhaled use is expected to result in low milk exposure.
Interactions
- Other stimulants or decongestants may increase heart rate or blood pressure.
- Beta blockers can reduce bronchodilator effects and may trigger bronchospasm.
- Other medicines that lower potassium can increase low-potassium risk.
- Some antidepressants, including MAO inhibitors and tricyclics, can 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 It may be incomplete or out of date.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.