Theophylline - Indications, Dosage, Side Effects and Precautions

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Information about Theophylline

Generic Name : Theophylline
Up-to-date prescription details regarding Theophylline are provided here.
Pronunciation : the off i lin
Learn the correct pronunciation of the Theophylline, understand it's uses, recommended dosages, its indications, how to take, when to take, when not to take, side effects, special precautions, warnings and its and its storage instructions.
You will also find a list of the medication's International and Indian brand or trade names, as well as its pricing information. For verification of the information presented on this page or for additional clarifications, it's advisable to consult your doctor.
ICD Code : Y55.6 | Therapeutic Classification : Anti- Asthmatics

Trade Names/Brand Names of Theophylline

India : 


International : 

Aquaphyllin, Asmalix, Bronkodyl, Elixophyllin, Quibron-T, Slo-Phyllin, Theoclear-80, Theolair, Theosol-80, Truxophyllin

Why is Theophylline Prescribed? (Indications)

This medication is a bronchodilator, prescribed for asthma, chronic bronchitis, emphysema, and other lung diseases. It works by relaxing the muscle around the airways in the lungs.


When should Theophylline not be taken? (Contraindications)


What is the dosage of Theophylline?

The recommended dose is 400 or 600 mg once a day in the morning or evening.

How should Theophylline be taken?

It comes as a tablet and capsule to take by mouth with or without food.

What are the warnings and precautions for Theophylline?

• Caution should be exercised in patients with history of seizures, ulcers, heart disease, overactive thyroid, high blood pressure, liver disease, alcoholism, any allergy, who are taking other medications, during pregnancy and breastfeeding.

• Avoid alcohol consumption.

• Avoid taking large amount of caffeinated beverages.

• It may affect blood sugar level; monitor sugar level regularly while taking this medication.

What are the side effects of Theophylline?

   Serious effects : Death.
   Most Common : Nausea, vomiting, headache, and sleeplessness.
   Gastrointestinal : Abdominal pain, diarrhea and blood vomiting.
   Metabolic : Decrease in blood potassium level and increase in sugar.
   Heart : Fast heart rate and low blood pressure/shock.
   Central Nervous System : Nervousness, tremors, disorientation and seizures.

What are the other precautions for Theophylline?

Avoid excess dosage.

What are the storage conditions for Theophylline?

Store it at room temperature and away from excess moisture.

Last Updated : August 11, 2022
Learn more about Theophylline's interaction with Food, Herbs, Alcohol and Caffeine

Theophylline: Learn More About Asthma Treating Drug

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