AVM-GSL Over the Counter

Piriton (Chlorphenamine)

Active ingredient: Chlorphenamine maleate

Antihistamine used for allergic reactions and itching in dogs.

Form

Tablet

The prescription itself has a price. See what practices near you charge for a consultation and the written prescription fee.

Paying less for Chlorphenamine maleate

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.
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.

Your prescription rights → VMD register of retailers →

Medication costs adding up?

Pet insurance can cover prescription medications. Find the right policy for your pet.

Compare insurance

Alternative options to consider

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The Pharm Pet Co.

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Pharmacy2U

Pet Care at Pharmacy2U

The UK's largest online pharmacy. Pet wormers, flea treatments, dental and joint care. Free delivery on orders over £30.

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VetBox

VetBox Flea & Worm Protection for Dogs

Vet-founded monthly parasite subscription. Flea, tick and worm protection delivered to your door. Founded by Dr Will Woodley, protecting 30,000+ pets.

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