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Theophylline: Oral tablet, extended release

Also see:
  • Reported side effects
  • Daily life interactions

Available Strengths
Drug Image file DrugItem_1371.JPG
Theophylline 100mg ER Tab
Major Pharmaceuticals Inc
Pill Identification: LOGO 3584 
Drug Image file DrugItem_12362.JPG
Theophylline 300mg ER Tab
PD-RX Pharmaceuticals
Pill Identification: IL 3581 
Drug Image file DrugItem_1372.JPG
Theophylline 200mg ER Tab
Major Pharmaceuticals Inc
Pill Identification: LOGO 3583 
Drug Image file DrugItem_1377.JPG
Theophylline 300mg ER Tab
Major Pharmaceuticals Inc
Pill Identification: LOGO 3581 
Drug Image file DrugItem_4502.JPG
Theophylline 300mg ER Tab
United Research Laboratories, Inc. a subsidiary of Sun Pharmaceutical Industries, Inc.
Pill Identification: LOGO 3581 
Drug Image file DrugItem_1651.JPG
Theophylline 200mg ER Tab
Warrick Pharmaceuticals Corp
Pill Identification: WARRICK 1660 
Drug Image file DrugItem_1656.JPG
Theophylline 300mg ER Tab
Warrick Pharmaceuticals Corp
Pill Identification: WARRICK 1670 
Drug Image file DrugItem_4467.JPG
Theophylline 100mg ER Tab
Actavis- US Brands formerly, Inwood Laboratories Inc Sub Forest Laboratories Inc
Pill Identification: LOGO 3584 
Drug Image file DrugItem_12633.JPG
Theophylline 100mg ER Tab
Sun Pharmaceutical Industries, Inc.
Pill Identification: LOGO 3584 
Drug Image file DrugItem_12635.JPG
Theophylline 200mg ER Tab
Sun Pharmaceutical Industries, Inc.
Pill Identification: LOGO 3583 
Drug Image file DrugItem_4478.JPG
Theophylline 200mg ER Tab
Sun Pharmaceutical Industries, Inc.
Pill Identification: LOGO 3583 
Drug Image file DrugItem_7726.JPG
Theophylline 200mg ER Tab
United Research Laboratories, Inc. a subsidiary of Sun Pharmaceutical Industries, Inc.
Pill Identification: LOGO 3583 
Drug Image file DrugItem_6043.JPG
Theophylline 300mg ER Tab
Qualitest Pharmaceuticals Inc
Pill Identification: IL 3581 
Drug Image file DrugItem_4495.JPG
Theophylline 300mg ER Tab
Sun Pharmaceutical Industries, Inc.
Pill Identification: LOGO 3581 
Drug Image file DrugItem_12636.JPG
Theophylline 300mg ER Tab
Sun Pharmaceutical Industries, Inc.
Pill Identification: LOGO 3581 

Frequently Asked Questions (FAQs) on Theophylline: Oral tablet, extended release

What is this medicine?

THEOPHYLLINE (the OFF i lin) is a bronchodilator. It helps open up the airways in your lungs to make it easier to breathe. This medicine is used to treat the symptoms of asthma, bronchitis, and emphysema.


What should I tell my health care provider before I take this medicine?

How should I use this medicine?

What if I miss a dose?

What may interact with this medicine?

What should I watch for while using this medicine?

What side effects may I notice from receiving this medicine?

Where should I keep my medicine?

In-Depth Information on This Drug
Select a specific strength to visit the detail page where you'll find :
  • Reported side effects
  • Daily life interactions
Select a Strength
Patient Experiences with Theophylline

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Average Scores
Easy to Take 
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Works as Intended 
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