Dyphylline
Dyphylline is a xanthine derivative bronchodilator used to treat respiratory conditions such as asthma, chronic bronchitis, and emphysema. It works by relaxing the smooth muscles of the airways, making it easier to breathe. This medication is typically prescribed when other treatments are not adequately controlling respiratory symptoms.
Dyphylline is a respiratory bronchodilator used to treat asthma and COPD by relaxing airway muscles to improve breathing.
Key facts at a glance
- ATC
- R03DA01
- RxNorm
- 3714
- Generic
- Dyphylline
- Class
- atc-r03
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- oral
- Forms
- tablet, solution, capsule
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Dyphylline is used to treat and prevent symptoms of respiratory conditions including asthma, chronic obstructive pulmonary disease (COPD), chronic bronchitis, and emphysema. It helps relieve shortness of breath, wheezing, and difficulty breathing associated with these conditions.
As a xanthine derivative, Dyphylline acts as a bronchodilator by relaxing the smooth muscles lining the airways. While the precise mechanism is not fully established, it is believed to work primarily through phosphodiesterase inhibition, which increases cyclic AMP levels in bronchial smooth muscle cells, resulting in bronchodilation.
Dyphylline may interact with other medications including cimetidine, erythromycin, and certain anticonvulsants. Side effects can include nausea, vomiting, headache, and increased heart rate. Blood concentration monitoring may be necessary as therapeutic effects and toxicity can be dose-related. Patients should avoid caffeine and notify their healthcare provider of any heart conditions or seizures before starting treatment.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy