Theophylline Extended Release is a bronchodilator used to open air passages in the lungs.
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Theophylline E.R. extended release is a prescription bronchodilator which is used to open air passages in the lungs in dogs and cats. By relaxing the smooth muscle of the lung it makes it easier for the pet to breathe.
Theophylline E.R. is not FDA approved for use in veterinary medicine however, it is a commonly accepted practice for veterinarians to prescribe this medication for dogs and cats.
Theophylline E.R. is used in the treatment of heart failure, pulmonary edema, bronchial asthma, and chronic obstructive pulmonary disease.
Theophylline E.R. tablets should not be crushed, chewed, or broken unless told to do so by your veterinarian. The tablet should be swallowed whole so that the medication is released slowly. Breaking the tablet may cause too much of the medication to be released at one time.
Give theophylline on an empty stomach, 1 hour before or 2 hours after a meal.
It is important that you follow your Veterinarian's prescription instructions for your pet.
Dogs: All weights The usual dose for dogs is 4.5 to 6.8mg per pound of pet's body weight by mouth every 12 hours. Allow plenty of water for the pet to drink
Cats: All weights The usual dose for cats is 2mg per pound of pet's body weight by mouth every 8-12 hours. Allow plenty of water for the pet to drink
Storage: Store Theophylline E.R. at room temperature away from moisture, heat and light.
Theophylline: Anhydrous 100 mg
Discuss with your veterinarian all the prescription and over the counter medications you give your pet. These include vitamins, minerals, herbal products, and medications prescribed by other veterinarians.
Discuss with your veterinarian if your pet is allergic to theophylline, or if your pet has stomach ulcers epilepsy heart rhythm problems congestive heart failure fluid in the lungs hypothyroid fever liver, or kidney disease.
Discuss with your veterinarian if your pet is pregnant or lactating, or if you plan on breeding your pet.
Possible Side Effects:
If any of the following serious side effects occur, stop giving theophylline and seek emergency veterinary medical attention an allergic reaction difficulty breathing, swelling of the lips, tongue, face, or hives.
Stop giving theophylline and call your veterinarian at once if any of the following side effects occur seizures severe nausea and vomiting, and restlessness coughing up blood or vomit that looks like coffee grounds urinating more than normal.
Other less serious side effects may also occur.
Tell to your veterinarian if your pet experiences mild nausea, loss of appetite, weight loss restlessness, or insomnia headache, or dizziness.
Side effects other than those listed here may also occur. Talk to your veterinarian about any side effect that seems unusual or that is especially bothersome.
Other drugs will affect theophylline:
Talk to your veterinarian if your pet is using cimetidine Tagamet erythromycin E-Mycin, Ery-Tab propranolol Inderal. Drugs other than those listed here may also interact with theophylline. Talk to your veterinarian or pharmacist before giving any prescription or over the counter medications including vitamins, minerals and herbal supplements.