Stronghold (Selamectin)

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Description

General Medication Fact Sheet for Stronghold

Field Information
Medication Name Stronghold
Generic Name Selamectin
Purpose Parasiticide used to prevent heartworm disease and treat ear mites, fleas, and certain types of ticks and worms in dogs and cats
Mechanism of Action Interferes with the chloride ion channels in invertebrates nerve and muscle cells, causing paralysis and death of the parasites
Dosage Forms Topical solution
Available Strengths Various strengths depending on animal weight (e.g., 15 mg, 30 mg, 45 mg, 60 mg, 120 mg, 240 mg)
Dosage Frequency Monthly
Common Side Effects Temporary hair loss at the application site, skin irritation, itching
Serious Side Effects Drooling, incoordination, vomiting, diarrhea, anorexia (rare)
Drug Interactions Generally safe with most other medications; consult with a veterinarian about specific combinations
Important Notes Use only on dogs and cats over 6 weeks of age; apply topically to the skin at the base of the neck in front of the shoulder blades where the animal cannot lick it off; avoid contact with skin and eyes during application
Storage Store at room temperature, away from heat and direct sunlight
Missed Dose Apply as soon as you remember, then resume the regular monthly schedule
Alternatives Revolution (selamectin), Advantage Multi (imidacloprid and moxidectin), Heartgard Plus (ivermectin and pyrantel)

Stronghold Alternatives

Medication Mechanism of Action Notes
Revolution (selamectin) Interferes with chloride ion channels in parasites Contains the same active ingredient (selamectin) as Stronghold.
Advantage Multi (imidacloprid and moxidectin) Imidacloprid affects the nerve cells of insects; moxidectin interferes with nerve and muscle function of parasites. Broader spectrum of activity, including fleas, heartworm, and intestinal worms.
Heartgard Plus (ivermectin and pyrantel) Ivermectin paralyzes parasites; pyrantel paralyzes intestinal worms. Primarily for heartworm prevention and intestinal worm treatment. Does not treat fleas or ticks.

Stronghold Side Effects

Common Side Effects Serious Side Effects
Temporary hair loss at application site Drooling
Skin irritation Incoordination
Itching Vomiting
Back pain or joint pain Diarrhea
Diarrhea Anorexia

Stronghold Dosage Guide

Condition Starting Dose Maintenance Dose Administration Notes
Fleas Based on animal’s weight Monthly application based on animal’s weight Apply to the skin at the base of the neck.
Ear Mites Based on animal’s weight Monthly application based on animal’s weight Apply to the skin at the base of the neck.
Heartworm Prevention Based on animal’s weight Monthly application based on animal’s weight Apply to the skin at the base of the neck. Start before mosquito season.
Ticks (certain species) Based on animal’s weight Monthly application based on animal’s weight Apply to the skin at the base of the neck.
Intestinal Worms (certain species) Based on animal’s weight Monthly application based on animal’s weight Apply to the skin at the base of the neck.
Why Americans Buy Stronghold from Canada Pharmacy Store?

Why Americans Buy Stronghold from Canada Pharmacy Store?

Americans have trouble affording Stronghold due to numerous factors—but at Canada Pharmacy Store, we offer a safe, affordable alternative. That’s why thousands of Americans trust us to fill their prescriptions with real savings and real service.
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Big Savings on U.S. Medications
Our customers save up to 80% on their Stronghold prescriptions compared to U.S. pharmacy prices by ordering through licensed Canadian and international pharmacies.
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Free Prescription Transfers
We make it easy! Our pharmacy team can transfer your Stronghold prescriptions directly from your doctor or local pharmacy – completely free of charge.
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Our licensed pharmacists are available to support you, answer your questions, and help ensure you’re confident in your treatment.

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Discreet U.S. Shipping

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With years of experience and verified medication sources, we’ve become a go-to solution for Americans looking to cut costs without compromising care.

How to Order Stronghold Online

How to Order Stronghold Online

Step 1

Select Your Prescribed Stronghold Dosage

Choose the strength and quantity as directed by your healthcare provider and add it to your cart.

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Step 2

Proceed Through Secure Checkout

Follow the steps to complete your order and provide necessary shipping and payment details.

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Step 3

Upload Your Stronghold Prescription

Submit a prescription from a licensed U.S. healthcare provider that matches your order.

At Canada Pharmacy Store, patient safety comes first. We strictly comply with prescription regulations and do not ship any medication without a valid, verifiable prescription. Orders may be declined if a prescription appears falsified or altered in any way. We take these precautions to protect your health and ensure lawful, responsible practices.

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Guarantee Certificate

Our Guarantee When You Buy Stronghold Through Canada Pharmacy Store

At Canada Pharmacy Store, your safety and satisfaction are our top priorities. We supply only authentic, high-quality medications by working exclusively with licensed Canadian pharmacies and trusted international partners. Every order is filled in accordance with strict regulatory standards and includes medication that’s fully approved by Health Canada or other recognized health authorities such as the MHRA (UK), HSA (Singapore), and the Pharmacy Board of Mauritius.

The Stronghold you receive is the same active medication as what’s available in the U.S.—the only difference is the packaging, which reflects its country of origin. Our licensed healthcare professionals review each order carefully to ensure it matches your prescription exactly.
To get Stronghold at a lower price, simply place your order above or give us a call at 1-888-903-2240