What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.

Nuheart Heartworm tablets (Ivermectin)


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Generic Equivalent - Nuheart Heartworm tablets (Ivermectin)

Prescription Required

Dogs up to 25 lb (Up to 11kg) (Blue Box)
Dogs 26-50 lb (11-23kg) (Green Box)
Dogs 51-100 lb (23-45kg) (Brown Box)

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  • Product Details


    What is Nuheart Heartworm Tablets used for?

    nuheart heartworm tablets

    Generic tablets are NOT chewable

    Nuheart Heartworm tablets for Dogs (Ivermectin) is a monthly tablet used for the prevention of heartworm disease in dogs. It is a generic version of the Heartgard tablets. The active ingredient is exactly the same as in Heartgard and each tablet contains exactly the same amount of ingredient. The tablets are meat flavored and are readily accepted by dogs. For difficult dogs Nuheart tablets can be dissolved in a small amount of water and mixed in the pet's food.

    Fact Table







    Legal status

    RX Only

    Chemical Name


    Elimination half-life

    18 hours

    Dosage (Strength)

    Heartgard blue for dogs up to 25 lbs (6 tablets), Heartgard green for dogs 26-50 lbs (6 tablets), Heartgard brown for dogs 51-100 lbs (6 tablets)


    Consult a vet


    Nuheart Heartworm tablets

    Protein binding


    PubChem CID






    ATC code

    D11AX22, P02CF01, QP54AA01, QS02QA03





    Routes of administration

    By mouth (tablets)


    Nuheart is given once a month, year round for the prevention of heartworm disease. The usual monthly dose of ivermectin in dogs up to 25 lb is 68mcg - 1 tablet from blue pack, for 26-50 lb is 136mcg - 1 tablet from green pack and for 51-100 lb is 272mcg - 1 tablet from the red pack. Dogs over 100 lb are given a combination of the tablets.

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    Do not use in puppies under 6 weeks of age

    This medication should not be used in animals allergic to it.

    Heartworm testing should be performed prior to the start of prevention therapy.

    If the animal is off Ivermectin for 6 months or less, start the medication and test after 6 months since microfilaria, which take 6 months to mature, may result in a positive test result.

    Make sure to only get the original pet heartworm meds online by purchasing with a trusted online pharmacy.

    Our pharmacy has served over 500,000 patients and is a trusted online certified pharmacy and only provides the best products for our patients.

    Side Effects

    The side effects of Ivermectin are rare at the recommended dosage. Nuheart has a wide margin of safety for all sizes and breeds of dogs. It is approved for use in puppies as young as 6 weeks, small dogs regardless of weight, pregnant or breeding bitches and stud dogs. Transient diarrhea has been observed in clinical trials after treatment of some dogs that have high circulating microfilariae.

    IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

    Buy heartworm medicine online by going to the top of the page and selecting the appropriate product today. Get it at a great discounted rate.

    Product Code : 10233

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