Theophylline 450 mg/1 (Theophylline TABLET, EXTENDED RELEASE) 450 mg/1

Theophylline 450 mg is an extended-release tablet used for managing respiratory conditions. It helps relax and open airways for easier breathing. Learn more about its uses and effects.

Strength

450 mg/1

Pack Size

100 TABLET, EXTENDED RELEASE in 1 BOTTLE (23155-742-01)

Manufacturer / TM Owner

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

Select Quantity

Pack/s

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Indications & Clinical Uses

Theophylline 450 mg is commonly used for the treatment of conditions like chronic obstructive pulmonary disease (COPD) and asthma. It 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 issues.

Side Effects

Common effects of Theophylline 450 mg may include headache, nausea, and insomnia. Some users might experience rapid heartbeat or tremors. These effects can vary from person to person.

Precautions & Warnings

Handle Theophylline 450 mg with care, especially if you have a history of heart conditions or seizures. It is important to follow the prescribed dosage and consult a healthcare provider before starting this medication.

Avoid Interactions

Theophylline 450 mg may interact with certain foods, alcohol, and other medications, including CYP1A2 inhibitors. Always inform your healthcare provider about all the medications you are taking to avoid potential interactions.

Frequently Asked Questions

Theophylline is used for managing respiratory conditions like COPD and asthma by relaxing airway muscles.

Theophylline 450 mg is an extended-release tablet taken orally, typically once daily. Follow your healthcare provider's instructions.

Common side effects include headache, nausea, insomnia, rapid heartbeat, and tremors.

It is advisable to avoid alcohol while taking Theophylline, as it may increase the risk of side effects.

Theophylline is generally safe for long-term use when taken as prescribed. Regular monitoring by a healthcare provider is recommended.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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