What is Theophylline ER?
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. Theophylline ER may also be used for purposes other than those listed here. Theophylline ER is sold per tablet and requires a prescription from your veterinarian.
Cats and Dogs
How does Theophylline ER work?
Theophylline ER opens air passages in the lungs by relaxing muscles in the lungs and chest.
The medication is best given on an empty stomach. Theophylline should not be given to pregnant or nursing animals. Theophylline ER tablets are scored and may be broken in half. These tablets should not be chewed or crushed.