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aHealthyMe.com - Theophylline
Learn how to take the asthma treatment drug properly and explore its side effects and interactions with medications and foods.
http://www.ahealthyme.com/topic/topic100592224
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Infomed Guide - Theophylline
Lists cautions, by risk group, for this bronchodilator. Also has a drug description, dosage guidelines, and a list of indications.