Corvental-D 500 mg Hard Capsules for Dogs
Active ingredient: Theophylline
Form
Capsule
Species
Manufacturer
Elanco GmbH
VMD MA No.
52127/5077
What it's used for
For the treatment of bronchitis and congestive heart failure in dogs.
Full indications, dosage and side effects ↓The prescription itself has a price. See what practices near you charge for a consultation and the written prescription fee.
Paying less for Theophylline
-
1
Ask your vet for a written prescription
They must provide one on request. Under the CMA Order the fee is capped at £21 from 2027.
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2
Fill it at a registered online retailer
The CMA found online pharmacies 50–60% cheaper than practice dispensing on common medicines — typically £200–£300 a year.
Done — we'll email you when prices land.
Prescription required
Your vet must provide a written prescription on request. You can then purchase from any licensed online retailer.
Corvental-D 500 mg Hard Capsules for Dogs — SPC Details
Source: VMD Summary of Product Characteristics (SPC). Last updated 26 Mar 2026.
Care should be taken to ensure that dogs are weighed carefully and accurately,
and the dose does not exceed 20 mg/kg body weight.
Revised: March 2025
AN: 04052/2024
synergistic interactions, resulting in exaggerated side effects may result.
Do not use in dogs with a known history of epileptiform seizures as convulsions
have been reported in patients on theophylline treatment, often with no
preceding signs of toxicity and in otherwise apparently normal animals.
Revised: March 2025
AN: 04052/2024
excitement, vomiting, diarrhoea, polydipsia, sedation, reduced appetite and
polyuria.
If signs of CNS excitement occur, (twitching, restlessness or convulsions)
discontinue treatment immediately.
i. Special precautions for use in animals
Theophylline should be used with caution in patients with liver disease. If
vomiting occurs, the dose should be reduced or the treatment discontinued.
ii. Special precautions to be taken by the person administering the veterinary
medicinal product to animals
In the case of accidental ingestion, seek medical advice immediately and
show the package leaflet or the label to the physician.
macrolide and fluoroquinolone antibiotics, such as erythromycin and
enrofloxacin, and decrease in patients receiving phenobarbitone or phenytoin.
Theophylline may reduce the convulsive threshold in patients receiving
ketamine.
Administration of theophylline shortly before halothane anaesthesia may result
in arrhythmogenic effects.
Revised: March 2025
AN: 04052/2024
5.
This information is sourced from the official Summary of Product Characteristics (SPC) published by the Veterinary Medicines Directorate (VMD). It is provided for informational purposes only and does not replace professional veterinary advice. Always consult your vet before administering any medication.
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Related Conditions
Other Products Containing Theophylline
These products share the same active ingredient and may be suitable alternatives. Always consult your vet.
Corvental-D 100 mg Hard Capsules for Dogs
POM-VElanco GmbH
Corvental-D 100 mg Hard Capsules for Dogs
POM-VElanco GmbH
Corvental-D 200 mg Hard Capsules for Dogs
POM-VElanco GmbH
Corvental-D 200 mg Hard Capsules for Dogs
POM-VElanco GmbH
Corvental-D 500 mg Hard Capsules for Dogs
POM-VElanco GmbH
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