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Theophylline ER

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Starts $0.86 $0.62 per tablet
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100 mg Tab (per tablet)
$0.86
$0.73
$0.62
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200 mg Tab (per tablet)
$1.11
$0.94
$0.80
Price w/coupon 15OFF
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Product Info
How to Use
Ingredients
Customer Reviews
Q&A
Product Info

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.

For:

Cats and Dogs

Benefits:

  • Used to treat heart failure, asthma, bronchitis, and pulmonary edema
  • Easy to administer
  • Sold per tablet

How does Theophylline ER work?

Theophylline ER opens air passages in the lungs by relaxing muscles in the lungs and chest.

Cautions:

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.

Brand Name:

Theolair (UCB Pharma), Theo-Dur (Key), Uniphyl (Purdue Pharma)

Generic Name:

Theophylline ER

What is the most important thing I should know about Theophylline ER?

Always check the medicine when it is refilled to make sure you are getting the correct brand and type as prescribed by your veterinarian. Ask the pharmacist if you have any questions about the medication you received from the pharmacy. There are many medications that can interact with theophylline. Tell your veterinarian about all the prescription and over the counter medications you give your pet. These include vitamins, minerals, herbal products, and medications prescribed by other veterinarians. Theophylline ER is not FDA approved for use in veterinary medicine; however, it is a commonly accepted practice for veterinarians to use this medication in dogs and cats. Theophylline is available by prescription in 100 mg and 200 mg, Extended Release (ER), tablets. The usual dose in dogs is 4.5 to 6.8 mg/lb every 12 hours. The usual dose in cats is 2 mg/lb every 8 to 12 hours.

What should I discuss with my veterinarian before giving Theophylline ER?

Tell 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. Tell your veterinarian if your pet is pregnant or lactating, or if you plan on breeding your pet.

How should Theophylline ER be given?

Give theophylline exactly as directed by your veterinarian. Do not give the medication in larger amounts, or for a longer period of time than recommended by your veterinarian. Follow the directions on the prescription label. Allow plenty of water for the pet to drink. Theophylline ER tablets should not be crushed, chewed, or broken unless the veterinarian tells you to. 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. Store Theophylline ER at room temperature, away from moisture, heat, and light.

What are the potential side effects of Theophylline ER?

If any of the following serious side effects occur, stop giving Theophylline ER and seek emergency veterinary medical attention: an allergic reaction such as 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. Talk to your veterinarian if your pet experiences mild nausea, loss of appetite, weight loss, restlessness, 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 to your pet.

What happens if I miss giving a dose of Theophylline ER?

Give the missed dose as soon as you remember. If it is almost time for your next dose, skip the dose that was missed and give only the next regularly scheduled dose, as directed. Do not give a double dose of this medication unless otherwise directed by your veterinarian.

What happens if I overdose my pet on Theophylline ER?

Call your veterinarian or veterinary emergency room. Symptoms of overdose may include nausea, vomiting, insomnia, tremors, restlessness, uneven heartbeats, and seizures.

What should I avoid while giving Theophylline ER?

Do not give this medication if your pet has severe heart disease, liver or kidney disease, hyperthyroid disease, high blood pressure, or stomach ulcers.

What other drugs will affect Theophylline ER?

Tell your veterinarian if your pet is using cimetidine (Tagamet), erythromycin (E-Mycin, Ery-Tab), or 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.

How to Use

Theophylline ER Directions:

  • Theophylline ER (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 ER 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 ER is used in the treatment of heart failure, pulmonary edema, bronchial asthma, and chronic obstructive pulmonary disease.
Tip:

Theophylline ER 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.

Dosage:
Dogs:
Weight
Dosage
All weights
The usual dose for dogs is 4.5 to 6.8 mg/lb of pet's body weight by mouth every 12 hours. Allow plenty of water for your pet to drink
Cats:
Weight
Dosage
All weights
The usual dose for cats is 2 mg/lb of pet's body weight by mouth every 8-12 hours. Allow plenty of water for your pet to drink
Horses:
Do not use!
Storage:

Store Theophylline ER at room temperature away from moisture, heat and light.

Ingredients

Theophylline ER Ingredients:

Theophylline 100 mg Tab:
Active Ingredients (per tablet)
Amount
Anhydrous Theophylline
100 mg
Theophylline 200 mg Tab:
Active Ingredients (per tablet)
Amount
Anhydrous Theophylline
200 mg
Customer Reviews
Theophylline ER is rated 4.5 out of 5 by 27.
Rated 4 out of 5 by from Was working great! Have had my cat on this and now we can't get it anymore. Trying to find something comparable but looks like the compound pharmacy will have to try to come up with something. Very disappointed, my vet also.
Date published: 2016-02-24
Rated 5 out of 5 by from Our vet says he is doing great on the med. Better than a year ago. So two thumbs up.
Date published: 2015-12-16
Rated 3 out of 5 by from I can't tell My Yorkie has trouble getting the right dose. Plus,, it make him really nervous, extremely nervous. I wish I could find an alternative.
Date published: 2014-09-20
Rated 5 out of 5 by from Highly Recommend Our Max is 10 years old, and has heart disease. He has been on a multitude of drugs, but this was added about 4 months ago, and has helped with his breathing tremendously! No side effects, only positive results.
Date published: 2014-08-05
Rated 5 out of 5 by from HONK FREE FINALLY THIS IS A GREAT DRUG. MY DOG ROXY IS ABOUT 10 YEARS OLD AND HER TRACHEA HAD COLLAPSED HER VET PRESCRIBED HER THIS AND SHES BEEN ON IT EVER SINCE WITH NO PROBLEMS AND NO SIDE EFFECTS. I'M VERY THANKFUL FOR THE MEDS AND FOR THIS SITE FOR GIVING ME THE BEST PRICE ON IT!!
Date published: 2014-07-29
Rated 3 out of 5 by from It helps, are the side effects worth it? The medication helped my dogs breathing, but all she did all night long was pace and pant. She kept both my husband and I up all night long. The side effects are far too much to handle for everyone.
Date published: 2014-03-18
Rated 4 out of 5 by from Very Helpful Drug My dog Patches is a 10 yr old Aussie Cattledog with COPD. She weighs approx. 58 lbs which is a little on the heavy side but her health prevents her from getting all the exercise she needs and food is the best thing in her life at this point. She still coughs but not as much and without the Theophylline, she couldn't exist. The cough is also not as deep or harsh. She is on 300 mg per day.
Date published: 2014-03-14
Rated 4 out of 5 by from cat with asthma The product has helped with the asthma although he still coughs but not nearly as much.
Date published: 2013-11-23
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Q&A

Do you have an update on when this product will be in stock again?

Asked by: Gdem
Sorry it is still out of stock. Our customer service department can give you more information about when we can have this medication again. Call them toll free 1-800-736-6337
Answered by: Trey W
Date published: 2017-02-21

What should I do if item out of stock

Asked by: Ginny1
Consult your veterinarian for an alternatve to theophylline tablets.
Answered by: Lisa M
Date published: 2016-11-23

Do you know when or if y'all will be getting in anymore theophylline 100 mg. 

Asked by: Zoeybaker
Not at this time. If your pet needs the medication right away its best to contact a local compounding pharmacy.
Answered by: S Duesler PharmD MBA
Date published: 2016-11-28

is there an estimate when this will be back in stock?

Asked by: chrisk
Not at this time. You may want to consider a compounded version of this medication at your local compounding pharmacy if your pet needs right away.
Answered by: S Duesler PharmD MBA
Date published: 2016-11-28

When will this product be back in stock?

Asked by: MM226
Unfortunately, there is no date available on when theophylline will be back in stock.
Answered by: Lisa M
Date published: 2016-11-16

How long of giving should I expect to see results?

Asked by: Lisa
Many factors will affect the therapeutic response after the administration of theophylline. Consult your veterinarian regarding your specific pet.
Answered by: Lisa M
Date published: 2016-11-10

My 11pm dog has taken 1/4 tab of a regular 100 mg tab  2xday for over a year. That type is on back order & not aavailable. Can she take 1/4 tab 2x day of s 100 mg tab of Theophylline ER. 

Asked by: Katy
No, your dog should take 1/2 of the 100 mg ER tab ONCE a day since this is an extended release tablet. Be sure to cut the tablet on the scored line and not anywhere else, since each half is time released.
Answered by: Christine
Date published: 2016-10-14

The suggested dosage for dogs is 2.25 to 5 grams of medication per pound of weight of the pet. What is the equivalent dosage in the ER Theophylline? My Vet prescribed 50mg bid for my dog of regular Theophylline.  Can the prescription be for 100 tabs?

Asked by: Lydia
Yes, that's correct. Instead of giving 50 mg twice daily of the immediate release theophylline, you could give 100 mg daily of the extended release theophylline. However, your veterinarian would need to approve this change first.
Answered by: Christine
Date published: 2016-10-13
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