Revolution for Dogs and Cats Without a Vet Prescription (10 Alternatives)

Revolution is a popular veterinary medication designed to treat and prevent parasites in dogs and cats. Formulated with the active ingredient Selamectin, Revolution offers protection against fleas, ticks, heartworms, and other pests. But why is there so much buzz about acquiring it without a prescription?

Why is a Prescription Typically Required?

In several regions, including the U.S., Revolution is classified as a prescription-only medication. This classification stems from the need to:

  1. Ensure Correct Usage: Veterinary professionals want to ascertain that the product is used properly to ensure the safety of pets.
  2. Determine the Appropriate Dosage: The amount of Revolution required can vary based on the pet’s size and specific needs.
  3. Prevent Adverse Reactions: A vet can identify if a pet has any health conditions that may interact negatively with the medication.

The Controversy: Can You Legally Obtain Revolution Without a Prescription?

There’s been quite a lot of chatter on the web, particularly on platforms like Reddit, about obtaining Revolution without going through a veterinarian. Various international online stores seem to offer the product without the need for a prescription. However, the authenticity and legality of such purchases remain debated.

Some sites, like Canada Vet Express, Pet Megastore, and DeadFleaz, have been mentioned by users as platforms where Revolution can be procured without a prescription. Still, it’s crucial for consumers to exercise caution. Here’s why:

  • Legality Concerns: Depending on the region, purchasing prescription-only meds without an actual prescription may be illegal.
  • Quality and Authenticity: There’s always a risk of receiving counterfeit products when buying from unofficial sources.

Alternative Solutions to Revolution

1. Frontline Plus


  • 🐾 Broad spectrum: Kills fleas, flea eggs, larvae, ticks, and lice.
  • 🐾 Easy application: Spot-on treatment.
  • 🐾 Waterproof: Remains effective after bathing.


  • ❌ May not be effective in all geographic regions due to resistance.
  • ❌ Requires monthly application for ongoing protection.

2. Advantage II


  • 🐾 Targets fleas at multiple life stages.
  • 🐾 Fast-acting: Begins killing fleas within 12 hours.
  • 🐾 Long-lasting: Provides protection for up to a month.


  • ❌ Does not protect against ticks or mosquitoes.
  • ❌ Some pets may experience skin irritation.

3. Seresto Collar


  • 🐾 Extended protection: Lasts up to 8 months.
  • 🐾 Water-resistant: No need to remove before swimming or bathing.
  • 🐾 Non-greasy, odorless design.


  • ❌ Higher initial cost compared to topical treatments.
  • ❌ Rare reports of adverse reactions in sensitive pets.

4. PetArmor Plus


  • 🐾 Contains fipronil and (S)-methoprene, similar to Frontline Plus.
  • 🐾 Kills fleas, flea eggs, larvae, ticks, and chewing lice.
  • 🐾 Waterproof formula.


  • ❌ Effectiveness may vary based on the area.
  • ❌ Monthly reapplication needed.

5. Capstar Oral Flea Treatment


  • 🐾 Quick relief: Starts killing fleas within 30 minutes.
  • 🐾 Oral tablet form: Good for pets that resist topical treatments.
  • 🐾 Safe to use in conjunction with other flea treatments for comprehensive protection.


  • ❌ Only kills adult fleas, not larvae or eggs.
  • ❌ Protection lasts for just 24 hours.

6. Vectra 3D


  • 🐾 Broad protection: Fleas, ticks, mosquitoes, lice, and mites.
  • 🐾 Quick-drying, non-greasy application.
  • 🐾 Can reduce flea feeding in 5 minutes.


  • ❌ Not suitable for catsβ€”can be toxic.
  • ❌ Some reports of skin irritation.

7. Natural Care Flea and Tick Spray


  • 🐾 Natural ingredients: Peppermint oil and clove extract.
  • 🐾 Safe for use around the entire family.
  • 🐾 Can be used directly on dogs and cats 12 weeks and older.


  • ❌ May require frequent application.
  • ❌ Effectiveness varies widely.

8. Vet’s Best Flea and Tick Home Spray


  • 🐾 Made with certified natural oils.
  • 🐾 Kills fleas, flea larvae, and ticks on contact.
  • 🐾 Can be sprayed on pets, bedding, and furniture.


  • ❌ Strong scent that may be unpleasant.
  • ❌ Not a stand-alone solution; best used with other methods.

9. Sentry Fiproguard Plus


  • 🐾 Contains fipronil and (S)-methoprene to kill fleas, flea eggs, ticks, and lice.
  • 🐾 Waterproof formula.
  • 🐾 Cheaper alternative to Frontline Plus.


  • ❌ Some pets may experience irritation at the application site.
  • ❌ Requires consistent monthly application.

10. Diatomaceous Earth (Food Grade)


  • 🐾 Natural and non-toxic.
  • 🐾 Can be used in the home and on pets.
  • 🐾 Effective against fleas in the environment.


  • ❌ Messy to apply and may cause lung irritation if inhaled.
  • ❌ Slow-acting compared to chemical treatments.

Final Thoughts: To Prescribe or Not?

While Revolution is an effective solution for pet parasite prevention, the matter of obtaining it without a vet’s prescription is not black and white. The debate continues, but the core of the argument lies in ensuring the safety and well-being of our furry friends. Always prioritize your pet’s health, consult with veterinary professionals, and be cautious when exploring unconventional procurement methods.

FAQs on Revolution for Dogs and Cats

Comment 1: “Are there any natural alternatives to Revolution that are safe and effective for kittens?”

Absolutely, there are natural alternatives to Revolution that can be safe and effective for kittens, though it’s crucial to proceed with caution. Herbal remedies such as neem oil, diatomaceous earth, and essential oil blends (e.g., lavender and cedarwood, diluted appropriately) are often cited. However, the key lies in their application and concentration, especially for kittens with their delicate systems.

  • Neem Oil: A natural pesticide, neem oil can deter fleas and ticks when applied to the fur. However, it must be used in very low concentrations and not ingested.
  • Diatomaceous Earth: Food-grade diatomaceous earth can be lightly dusted on kitten fur and bedding to kill fleas by dehydrating them. Ensure it’s food-grade and avoid respiratory exposure.
  • Essential Oils: Some essential oils can repel pests, but extreme caution is advised. Kittens are particularly sensitive to essential oils, and improper use can lead to toxicity.

Always consult a veterinarian before trying natural remedies, as kittens are especially vulnerable to adverse reactions.

Comment 2: “Do any of these OTC alternatives protect against heartworm as effectively as Revolution?”

When discussing over-the-counter (OTC) alternatives for heartworm prevention, it’s crucial to understand that true heartworm prevention requires active ingredients that are typically not available OTC due to the need for a heartworm test before administration. Revolution contains selamectin, which is specifically approved for preventing heartworms.

Most OTC products focus on fleas and ticks, with few offering heartworm protection due to this regulatory requirement. Products like ivermectin-based heartworm preventatives are effective but require a prescription because of the critical importance of confirming a pet is heartworm-negative before starting treatment.

For effective heartworm prevention without a vet prescription, the options are limited and not recommended. The best approach remains a vet consultation for a safe and accurate heartworm preventative plan.

Comment 3: “How do I choose the right dosage for OTC flea and tick treatments for my dog?”

Choosing the right dosage for OTC flea and tick treatments is paramount to ensure efficacy and prevent adverse effects. The process involves a few critical steps:

  1. Weight-based Dosage: Most OTC treatments are categorized based on the weight range of the pet. Accurately weighing your pet is the first step to ensure you select the appropriate product range.
  2. Read Labels Thoroughly: Labels provide essential information on dosing, frequency, and whether the product is suitable for your pet’s age, weight, and health condition.
  3. Consult With a Professional: While OTC, a quick check with a veterinarian can provide personalized advice, especially for pets with special conditions or mixed breeds where weight categories may not be straightforward.

Proper dosage is not only about effectiveness but also about safety, making these steps crucial.

Comment 4: “Can I use dog-specific OTC flea treatments on my cat?”

It is strongly advised against using dog-specific OTC flea treatments on cats. Cats are not small dogs; they have unique metabolisms and are extremely sensitive to certain compounds commonly used in canine products, such as permethrin. Using dog-specific treatments on cats can lead to severe toxicity or even fatal consequences.

The best practice is to use products specifically formulated for cats, adhering to the instructions and dosage recommendations. This ensures the safety and health of your feline friend, avoiding the risk of poisoning that can occur with cross-species treatment applications.

Comment 5: “Are there any side effects to be aware of with these OTC alternatives?”

While OTC flea and tick treatments offer convenience and immediate access, they are not without potential side effects. Common reactions can include skin irritation, hair loss at the application site, or gastrointestinal issues if ingested. More severe reactions, though less common, may include neurological symptoms such as tremors or seizures, especially if the product is misused or if the pet has an underlying health issue.

It’s crucial to:

  • Monitor your pet after application for any signs of adverse reactions.
  • Use the product strictly as directed, paying close attention to weight guidelines and species specifications.
  • Immediately consult a veterinarian if any concerning symptoms arise.

Comment 6: “Is it really safe to use OTC flea and tick products? I’ve heard mixed reviews.”

The safety of over-the-counter (OTC) flea and tick products can vary significantly based on the active ingredients, the formulation, and the specific health profile of your pet. Products that are EPA-registered have undergone evaluation for efficacy and safety when used according to the label instructions. However, sensitivity can vary among individual animals. Some pets might experience mild skin irritation, while others could have more severe reactions. Always monitor your pet after application, especially the first time you use a new product. If in doubt, consulting with a veterinarian to find a suitable, pet-specific solution is wise.

Comment 7: “Can natural alternatives really keep up with chemical treatments like Revolution?”

Natural alternatives to chemical treatments have gained popularity due to their perceived safety and environmental friendliness. Ingredients such as neem oil, diatomaceous earth, and essential oils like lavender and cedarwood are commonly touted for their flea and tick repelling properties. While these options can be effective as part of a holistic approach to flea and tick prevention, they generally do not offer the same level of efficacy or duration of protection as their chemical counterparts. Their success often depends on consistent application and may be best suited for pets with mild exposure risks. For areas with high flea and tick populations, or for pets allergic to bites, a vet-approved chemical preventative might be more reliable.

Comment 8: “Do I need to treat my indoor cat as well? She never goes outside.”

Even indoor cats can be at risk of flea and tick infestations. These parasites can hitch a ride into your home on your clothing or other pets and then find a host in your indoor cat. Additionally, mosquitoes, which can transmit heartworm, can easily enter homes. Therefore, providing protection for indoor cats is advisable to prevent these pests and the diseases they can carry. Lower-dose or less frequent treatments, compared to those for outdoor cats, might be sufficient, depending on your living situation and the cat’s exposure level.

Comment 9: “What about side effects? My dog had a bad reaction to a flea collar before.”

Allergic reactions or side effects from flea and tick preventatives, including collars, topical treatments, and oral medications, can occur. It’s crucial to observe your pet closely after administering any new medication or treatment. Signs of a negative reaction may include excessive scratching, skin irritation, lethargy, vomiting, or diarrhea. If you notice any of these symptoms, consult your veterinarian immediately. They can recommend alternative products that may be more compatible with your pet’s health profile. In some cases, splitting doses or using a combination of lower-dose products can mitigate side effects while still providing protection.

Comment 10: “Are there any specific brands you recommend that are as effective as Revolution but over-the-counter?”

While I cannot endorse specific brands, it’s important to look for products with a proven track record of effectiveness and safety. Products containing fipronil, imidacloprid, or pyrethroids (for dogs only, as pyrethroids are toxic to cats) are widely regarded for their efficacy in flea and tick prevention. Brands that invest in clinical research and have a long-standing presence in the market tend to be more reliable. Read reviews, consult with your vet, and consider your pet’s specific needs, such as sensitivity to certain ingredients or lifestyle factors (indoor vs. outdoor), when choosing a product. Remember, the best choice will balance efficacy, safety, and your pet’s comfort.


2 Responses

  1. Our cat has been prescribed Selehold, with the ingredient, Selamectin but there is no availability here in the UK, due to a manufacturors issue.
    l know Selehold is also known Revolution or Stronghold, with the same ingredients and we would like to purchase some as soon as possible please?

    1. Facing a shortage of Selehold (also known as Revolution or Stronghold) in the UK can be frustrating for pet owners seeking effective parasite protection for their cats. Selamectin, the active ingredient in these products, is renowned for its broad-spectrum efficacy in combating fleas, heartworms, ear mites, and certain types of ticks and lice. However, manufacturing issues and supply chain disruptions can occasionally make it difficult to find. Here, we’ll explore alternative strategies and options to ensure your cat remains protected in the absence of your preferred brand.

      + Researching Equivalent Formulations: While specific brand availability may fluctuate, the active ingredient, Selamectin, is what provides the desired protective effect. It’s worth contacting other veterinary practices or pharmacies in your area to inquire about their stock. Sometimes, regional distribution differences can mean that while one supplier faces shortages, another might have ample supply.

      + Exploring Alternative Medications: In situations where Selamectin-based products are not available, discussing alternative medications with your veterinarian is crucial. They can prescribe other broad-spectrum preventatives with different active ingredients that offer similar protection profiles. Alternatives may include:

      – Imidacloprid/Moxidectin (Advocate): Effective against a range of parasites, including fleas, heartworm, and mites.
      – Fipronil (Frontline): Mainly targets fleas and ticks but doesn’t protect against heartworm.
      – Fluralaner (Bravecto): Provides long-term protection against fleas and ticks with less frequent dosing requirements.

      Each of these alternatives has its own set of benefits and considerations, such as application frequency, spectrum of protection, and potential side effects. Your vet can help you navigate these options based on your cat’s specific health profile and lifestyle.

      + Online Veterinary Pharmacies: Consider looking into reputable online veterinary pharmacies that are authorized to dispense prescription medications in the UK. They often have more flexible stock sources and may be able to fulfill your needs for Selamectin-based products or suggest appropriate alternatives. Ensure any online pharmacy is registered with the Veterinary Medicines Directorate (VMD) to guarantee the legitimacy and safety of their products.

      + Compounded Medications: In certain cases, compounded medications can serve as a stopgap when commercial formulations are unavailable. Compounding pharmacies can legally prepare customized dosages and forms of medications, including Selamectin, under the direct prescription of a veterinarian. While this option might be more costly, it ensures continuity of care until standard products become available again.

      + Regular Communication with Your Vet: Maintain open and regular communication with your veterinarian about the ongoing availability issues and your cat’s health status. They can provide the most current information on product availability, upcoming generic releases, or alternative medication adjustments to ensure uninterrupted parasite protection.

      + Keeping Records and Monitoring: Regardless of the alternative chosen, keeping detailed records of any changes in your cat’s parasite prevention regimen is advisable. Note the product names, dosages, and any reactions or side effects observed. This information can be invaluable for ongoing veterinary care and in making future medication decisions.

      In summary, while the unavailability of Selehold presents a challenge, it also opens the door to exploring a range of alternative solutions tailored to your cat’s needs. Collaborating closely with your veterinarian will ensure that your feline friend remains protected against parasites, even in the face of supply chain disruptions.

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