Yes You can Buy Advantage Multi without a prescription.

Product Description Advantage Multi "Advocate" provides:

The Fast Flea Control and Prevention.

Imidacloprid spreads rapidly over your pet, killing 98-100% of adult fleas within 12 hours of application. In addition, Imidacloprid controls flea larvae in the pet’s environment and reduces the incidence of Flea Allergy Dermatitis (FAD).

Heartworm Prevention. After application, Moxidectin enters your pet’s bloodstream and with monthly use will prevent heartworm infection in dogs.

Treatment, Protection and Prevention of Gastrointestinal Worms.

Advantage Multi "Advocate" unsurpassed efficacy against adult, immature and L4 larval stages of hookworms and roundworms assures protection against environmental contamination and prevents reinfestation of your pet.

Control of Ear Mites. For the treatment of ear mites, Advantage Multi "Advocate" is highly effective as a single dose.

Treatment and Control of Demodex.

Demodex is a skin mite that can cause a potentially debilitating skin condition in dogs.

Monthly application of Advocate for 2 to 4 treatments is highly effective in the treatment of this condition.

Treatment and Prevention of Sarcoptic Mange.

Advantage Multi "Advocate" eliminates 100% of sarcoptic mange mites after a single dose.

Safe to use on nursing bitches with puppies.

Highly Recommended By Vets. All adult dogs should be tested (Adult Heartworm Clear) before giving this medication.

Advocate is safe to use on all puppies from 7 weeks and kittens from 9 weeks of age. "Advocate" not only has a wide safety margin for pets, but for all their owners as well. Highly Recommended by Vets