Theophylline Extended-Release (Generic) Rx
Starting At $1.25 per tablet

Theophylline Extended-Release (Generic) Rx


$1.25 per tablet
400mg Tablet
  • Usually ships within one business day with veterinary approval.

  • Requires veterinary authorization.

  • Your pet's veterinarian will provide directions for use.

What are Theophylline Extended-Release Tablets for Dogs and Cats?

  • Theophylline is a prescription medication that treats asthma and some heart conditions.
  • Theophylline works by relaxing the airways and by inhibiting the release of inflammation-causing mast cells.
  • Extended release tablets allow the drug to enter the system more slowly so that fewer doses need to be given.

Why do cats and dogs use Theophylline?

  • Theophylline may be prescribed for conditions such as asthma, coughing, collapsing trachea, and other respiratory conditions.
  • Theophylline may also be given with other medications to treat heart conditions that involve elevated blood pressure in the lungs.

What else should I know about Theophylline?

  • Theophylline is a medication that will likely require blood level monitoring, so it is crucial for you to keep all appointments with your pet's veterinarian.

What problems could my dog or cat have with Theophylline?

  • Theophylline can cause nausea, vomiting, headache, and insomnia.
  • Nervousness and stomach upset seen at the beginning of treatment may go away over time as the body adjusts to the drug.
  • Signs of toxicity should be reported to your pet's veterinarian right away and they include persistent vomiting, cardiac arrhythmias, and seizures.

How do you use Theophylline?

  • Theophylline may be given with or without food. Follow your veterinarian's directions.
  • Theophylline is only effective if given regularly as prescribed. Be careful not to miss doses. Do not double up the dose if you miss one.

What is in Theophylline?

  • The drug Theophylline is a bronchodilator and diuretic.
  • It opens the air passages in the lungs by relaxing the muscles in the lungs and chest.

Will I get what I see in the picture?

  • Theophylline is sold as an FDA approved generic drug. Brand may vary from order to order and variation to variation. We are unable to guarantee which brand will be available at the time of order shipment.

Is it important for my dog or cat to finish all of the Theophylline?

  • Dogs and cats may use Theophylline for different lengths of time. Please consult your veterinarian if you have any questions.