Skip to product information

Product Disclaimer & Safety Information

Products sold by Pet Megamart are intended for animal use only unless explicitly stated otherwise. They are not intended for human consumption or human medical use.


Unless specifically labeled for food-producing animals, products are not intended for birds or animals whose meat or eggs will be consumed by humans. Customers are responsible for complying with all local, state, and federal regulations regarding animal use and food safety.


These products are not intended to diagnose, treat, cure, or prevent any disease unless expressly stated and legally permitted. Always consult a licensed veterinarian before administering any supplement or medication.


Keep out of reach of children. Store according to label instructions. Do not exceed recommended dosage guidelines.

Heartworm Tablets for Medium Dogs 26-49 lb

Low stock

Quantity

Regular price $42.95 USD
Sale price $42.95 USD Regular price
Shipping calculated at checkout.

  • Fully secure checkout
  • Trusted by thousands
  • Rated and reviewed

Question about this product?

We're happy to help.

Heartworm Tablets for Medium Dogs – Monthly Heartworm Prevention for Dogs

Heartworm Tablets for Medium Dogs are designed to support heartworm prevention for dogs by eliminating heartworm larvae (Dirofilaria immitis) transmitted by infected mosquitoes within the previous 30 days.

Formulated specifically for medium dogs weighing 26–49 lb (12–22 kg), this once-monthly tablet provides reliable protection when used consistently every 28–30 days.

Key Benefits

  • Helps prevent heartworm disease in medium dogs
  • Eliminates heartworm larvae acquired from mosquitoes
  • Easy once-monthly administration
  • Can be given orally or crushed into food
  • Suitable for dogs weighing 26–49 lb
  • May be used in pregnant and stud dogs

Recommended For

  • Medium dogs weighing 26–49 lb (12–22 kg)
  • Routine monthly heartworm prevention
  • Dogs living in mosquito-prone areas
  • Long-term parasite prevention programs

How Heartworm Tablets Work

Heartworm disease is transmitted through mosquito bites. These tablets help prevent infection by eliminating immature heartworm larvae before they develop into adult worms that affect the heart and lungs.

For best results, heartworm prevention should be given consistently every 28–30 days.

Directions for Use

Dog Size Weight Range Dosage Frequency
Medium Dogs 26–49 lb (12–22 kg) Give 1 tablet orally or crushed in food Every 28–30 days

The first tablet should be given before exposure to infected mosquitoes and only administered to dogs that are heartworm-free.

Active Ingredient

  • Ivermectin: 136 µg per tablet

Available Sizes

  • 6 tablets (6-month supply per dog)
  • 20 tablets (20-month supply per dog)

Supply duration is based on one tablet given monthly to one dog.

Important Safety Information

  • Do not use in puppies under 6 weeks of age
  • Use only for dogs within labeled weight range
  • Only administer to heartworm-free dogs
  • Consult a veterinarian before starting prevention
  • Keep out of reach of children

Storage Instructions

  • Store below 30°C (room temperature)
  • Keep container tightly closed
  • Store in a cool, dry place

Frequently Asked Questions

What are Heartworm Tablets for Medium Dogs used for?

These tablets are used to help prevent heartworm disease in dogs by eliminating heartworm larvae acquired from infected mosquitoes.

What size dogs are these tablets for?

This version is intended for medium dogs weighing 26–49 lb (12–22 kg).

How often should Heartworm Tablets be given?

Give one tablet every 28–30 days for consistent monthly protection.

Can the tablet be crushed into food?

Yes. Tablets may be given whole or crushed into food.

How long does each package last?

 

  • 6 tablets = 6-month supply per dog
  • 20 tablets = 20-month supply per dog

Can pregnant dogs take these tablets?

According to manufacturer information, this product may be given to pregnant and stud dogs.

Protect Your Medium Dog from Heartworm Disease

Heartworm Tablets for Medium Dogs provide convenient monthly protection against heartworm disease. With simple dosing and reliable parasite control, this product is an effective choice for maintaining your dog's long-term health.

 




Heartworm Tablets for Medium Dogs 26-49 lb

$42.95 USD

  • ACHIEVING

    4.8

    average rating

  • With

    95%

    positive reviews

  • LESS THAN

    3%

    return rate

Is veterinary guidance recommended before using this product?

While many avian and small animal products are available without an in-person veterinary visit, proper diagnosis is important. Birds and small animals can be highly sensitive to stress, and treatment decisions should always be made carefully. We recommend consulting a licensed veterinarian to confirm the appropriate product and dosage for your animal’s specific condition.

If a prescription product is required, we can help facilitate consultation with a licensed veterinarian where appropriate.

Is this product safe for my pet?

When used according to label directions, this product is intended for animal use. Always follow the instructions carefully and review the product description for species suitability and administration guidance. If you are unsure, consult a veterinarian.

Unless specifically labeled, products are not intended for human consumption or for animals intended for meat or egg production for human consumption.

How is this product administered?

Administration instructions are provided on the product label and in the product description. Depending on the formulation, this product may be given orally, mixed in drinking water, applied topically, or added to feed. Always follow dosage guidelines carefully and consult a veterinarian if you are unsure about proper administration.

How quickly will this product ship?

Orders placed before 12:00 PM MST typically ship the same business day (Monday–Saturday, excluding holidays). We offer real-time calculated shipping rates and expedited options at checkout. We ship within the United States only.

Questions about this product?
Don't be a stranger.

Exclusive discounts, just for you. Sign up now.