Theophylline 300 mg/1 (Theophylline TABLET, EXTENDED RELEASE) 300 mg/1

Theophylline 300 mg extended-release tablets are a bronchodilator used to manage respiratory conditions. This medication helps relax and open airways for improved breathing. Learn more about its uses and effects.

Strength

300 mg/1

Pack Size

1000 TABLET, EXTENDED RELEASE in 1 BOTTLE (23155-741-10)

Manufacturer / TM Owner

Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.

Select Quantity

Pack/s

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Indications & Clinical Uses

Theophylline 300 mg extended-release tablets are commonly used to treat conditions like chronic obstructive pulmonary disease (COPD) and asthma. This medication works by relaxing the muscles around the airways, making it easier to breathe. People often ask, 'What is Theophylline used for?' It is primarily used for long-term management of respiratory symptoms.

Side Effects

Common effects of Theophylline 300 mg extended-release tablets may include improved breathing and reduced wheezing. Some users might experience side effects such as nausea, headache, or insomnia. Always consult a healthcare provider for personalized advice.

Precautions & Warnings

Handle Theophylline 300 mg extended-release tablets with care, following the prescribed dosage. Avoid sudden discontinuation without medical guidance. Store in a cool, dry place away from children and pets.

Avoid Interactions

Theophylline 300 mg extended-release tablets may interact with certain medications, including some antibiotics and antifungals. Consuming alcohol while taking this medication can increase the risk of side effects. Always inform your healthcare provider about all medications you are taking.

Frequently Asked Questions

Theophylline is used to manage respiratory conditions like COPD and asthma by relaxing airway muscles.

Take Theophylline 300 mg extended-release tablets orally, usually once or twice daily, as directed by your healthcare provider.

Common side effects may include nausea, headache, and insomnia. Severe side effects are rare but possible.

Consuming alcohol while taking Theophylline can increase the risk of side effects. Consult your healthcare provider for personalized advice.

Store Theophylline in a cool, dry place away from children and pets, following the storage instructions on the packaging.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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