What Is Theophylline Used for?

Theophylline is used to prevent and treat wheezing, shortness of breath, and chest tightness caused by asthma, chronic bronchitis, emphysema, and other lung diseases. It relaxes and opens air passages in the lungs, making it easier to breathe.

Is theophylline a steroid?

Theophylline is a type of medicine called a bronchodilator, which means it opens your airways. It can help some people to manage their asthma better. Theophylline is not a steroid medicine.

What are the side effects of theophylline?

Nausea/vomiting, stomach/abdominal pain, headache, trouble sleeping, diarrhea, irritability, restlessness, nervousness, shaking, or increased urination may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.