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Theophylline Extended Release Tablets

by Generic

This item requires prescription approval.

Prescription medications are currently limited to CA residents. More states coming soon!!

Original price $1.08 - Original price $504.00
Original price
$1.08 - $504.00
Current price $2.80
Strength: 300 mg
Count: 1 Tablet

Theophylline (thee-off-i-lin) is a bronchodilator used to relax constricted/tight airways to the lungs and help animals breathe better. It is used in conditions such as asthma, coughing, and collapsing trachea in dogs, cats, and ferrets and for heaves in horses.Theophylline may also be used with other medications in the treatment of heart failure and signs associated with elevated pressures in the lungs.

  • prevent and treat wheezing, shortness of breath, and chest tightness caused by asthma, chronic bronchitis, emphysema, and other lung diseases.

Consult with your veterinarian for proper dosage and course of treatment.


Do not administer theophylline to animals that are allergic to it or related drugs (eg, aminophylline, caffeine, or theobromine).Allergies to theophylline are rare in dogs and cats.


This drug shouldbe used WITH CAUTION in patients: With irregular heartbeats or heart disease since it can cause the heart to beat too fast. With stomach ulcers, seizure disorders (convulsions), high bloodpressure, or thyroid, kidney, or liver disease as it may worsen these conditions. Very young, old, or sick animals may not eliminate the drug from the body very well andtoxic effects of theophylline couldoccur.

Food and Drug Interactions

Other drugs can interact with theophylline, so be sure to tell your veterinarian and pharmacist what medications (including vitamins, supplements, or herbal therapies) you give your animal, including the amount and time you give each. Tell your veterinarian about any conditions or diseases your animal may have now or has had in the past.

Human Warnings

The FDA (U.S. Food & Drug Administration) has approved this drug for use in humans but it is not officially approved for use in animals.The FDA allows veterinarians to prescribe products containing this drug in different species or for other conditions in certain situations. You and your veterinarian can discuss why this drug is the most appropriate choice.

Possible Side Effects

Side effects that may be serious or indicate a serious problem:

  • Seizures (convulsions).
  • Collapse/passing out.
  • These signs are rare and often indicate the theophylline dose is too high.Contact your veterinarian immediately if any of these signs occur

Contact your veterinarian if you believe your pet is experiencing side effects.

Product Administration


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Store at 20°-25°C (68°-77°F)