Theophylline E.R.

• Theophylline E.R. is available by prescription only.

• Theophylline E.R. is used to treat...

• heart failure

• asthma

• bronchitis

• chronic lung disease

• Theophylline E.R. (Extended Release) belongs to the class of drugs known as smooth muscle relaxants, affecting the lungs and other respiratory muscles.

• Smooth muscle relaxants are airway dilators that work by opening the bronchial tubes, making it easier for your pet to breathe.

• Theophylline E.R. also helps the body get rid of excess fluid through the kidneys.

• Theophylline E.R. is available in various size tablets...

• 300 mg

• 400 mg

• 600 mg

• Keep out of the reach of children and pets.

• Do not give to pregnant or nursing animals.

• Tablets should not be chewed or crushed.

• Tablets 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 once.

• Theophylline E.R. may interact with some other medications. Inform your veterinarian of any and all medications your pet may be taking, especially...

• cimetidine

• certain antibiotics

• phenobarbital

• propranolol

• caffeine

• acetaminophen

• furosemide

• Store at room temperature.

• Use as directed by your veterinarian.

• Follow the instructions printed on the prescription label.

• Store at room temperature, protected from light and moisture.

• Complete the entire prescription, even if your pet seems to be improving, unless instructed otherwise by your veterinarian.

• Tablets should not be chewed or crushed.

• Give Theophylline E.R. on an empty stomach.

• Allow your pet access to plenty of water.

• Adverse reactions and serious side effects are rare, but in the case of a more serious side effect, seek veterinary attention immediately.

• Common signs of an allergic reaction or more serious side effect are...

• facial swelling

• breathing difficulties

• hives

• coughing up blood

• dark vomit

• frequent urination

• severe nausea and vomiting

• seizures