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Theophylline ER Oral Tablet Extended Release 24 Hour 400 MG
Prescription Required
Step 3: Select Purchase Frequency
Shipping and delivery reminder: Blue Dog Pet Pharmacy is currently only available to residents in Texas.
Product Description
Theophylline ER (Extended-release) is a bronchodilator used to open air passages in the lungs. It relaxes muscles in the lungs and chest. Theophylline is used in the treatment of heart failure, asthma, bronchitis, and pulmonary edema.
Ordering Information
We require a prescription from your vet in order to fullfill this order. But don't worry, we'll take care of that for you!
We'll need to know your pet's information - including name, age, weight - as well as your vet's name so we can verify your prescription.
Choosing Autoship allows us to send you your pet's refill automatically - before you run out! (You can skip, change or cancel Autoship anytime!)


