Zyrtec vs Claritin for Dogs? 2023 © Bestie Paws Hospital (2023)

Are you looking for relief from your dog’s allergies? If so, you may have heard of the medications Claritin and Zyrtec. These are both commonly used to treat allergies in humans, but they can also be used to treat allergies in dogs.

Table of Contents hide

Can dogs take Zyrtec or Claritin?

Claritin for dogs reviews

Zyrtec for dogs reviews

How long does it take for Zyrtec or Claritin to work on dogs?

How much Zyrtec can I give my dog?

What is the most effective antihistamine for dogs?

What do vets use for dog allergies?

Alternative to Claritin and Zyrtec for dogs

References

Zyrtec vs Claritin for Dogs? 2023 © Bestie Paws Hospital (1)

Can dogs take Zyrtec or Claritin?

Both Zyrtec and Claritin are antihistamines that can be used to treat allergic reactions in dogs. They work by blocking the action of histamine, a chemical that is released during an allergic reaction.

Claritin and Zyrtec are not FDA-approved for use in dogs, so their safety and effectiveness in dogs have not been thoroughly studied. Additionally, the dosages for these medications in dogs may be different from the dosages used in humans, so consult with a veterinarian before giving your dog either of these medications.

Claritin is longer-acting, while Zyrtec tends to work more quickly but may not last as long. This means that Claritin may be a better option for treating chronic allergies, while Zyrtec may be better for more acute allergy symptoms.

Zyrtec and Claritin have similar side effects, including drowsiness and dry mouth. It is important to follow the dosage instructions provided by your veterinarian to avoid giving your dog too much of either drug.

Both of these medications can interact with other medications, so tell your veterinarian about any other medications your dog is taking before giving them Claritin or Zyrtec.

Claritin for dogs reviews

Pros:

  • Claritin is an antihistamine that can help reduce allergy symptoms in dogs, such as sneezing, itching, and swelling.
  • It is generally well-tolerated by dogs and has few side effects.
  • It can be given orally or applied topically, making it a flexible treatment option.

Cons:

  • Claritin may not be effective for all types of allergies, and may not provide relief for severe allergic reactions.
  • It may take several days for the full effects to be seen, so it may not be a suitable option for acute allergy symptoms.

Side effects:

  • The most common side effects of Claritin in dogs are mild sedation and drowsiness.
  • Other potential side effects include vomiting, diarrhea, and changes in appetite or behavior.

Toxicity:

  • Claritin is generally considered safe for use in dogs when used at the correct dosage.
  • However, it is important to follow your veterinarian’s instructions and not give your dog more than the recommended amount.
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Drug interactions:

  • Claritin may interact with other medications your dog is taking, such as other antihistamines, sedatives, or antidepressants.
  • It is important to inform your veterinarian about all medications your dog is taking before starting Claritin.

Contraindications:

  • Claritin should not be used in dogs with a known allergy to loratadine or other antihistamines.
  • It should also be used with caution in dogs with liver or kidney disease, as it may be metabolized differently in these conditions.

Zyrtec for dogs reviews

Pros:

  • Zyrtec is an effective allergy medication for dogs, helping to reduce symptoms such as itching, sneezing, and redness of the skin.
  • It can be used to treat both seasonal allergies and chronic skin allergies.
  • Zyrtec is generally well-tolerated in dogs, with few side effects reported.

Cons:

  • Zyrtec can cause drowsiness in some dogs, so it may not be suitable for pets that need to be alert and active.
  • It is not recommended for use in pregnant or nursing dogs.
  • Some dogs may be allergic to the active ingredient in Zyrtec, cetirizine, and may experience adverse reactions.

Side Effects:

  • The most common side effects of Zyrtec in dogs are drowsiness and dry mouth.
  • Rare side effects may include vomiting, diarrhea, and changes in behavior.

Toxicity:

  • Zyrtec is generally safe for use in dogs when taken as directed.
  • However, it is important to keep the medication out of reach of pets and to avoid giving too much, as an overdose can lead to serious health problems.

Drug Interactions:

  • Zyrtec may interact with other medications your dog is taking, such as sedatives, painkillers, and antidepressants.
  • It is important to inform your veterinarian of any other medications your dog is taking before starting treatment with Zyrtec.

Contraindications:

  • Zyrtec should not be given to dogs with a known allergy to cetirizine or other antihistamines.
  • It should also not be given to pregnant or nursing dogs.
  • If your dog has liver or kidney disease, Zyrtec may not be recommended.

How long does it take for Zyrtec or Claritin to work on dogs?

The exact time it takes for these drugs to start working can vary depending on a number of factors, including the individual dog’s metabolism and the severity of the allergies. In general, however, it is recommended to give Zyrtec or Claritin to your dog about 30 minutes to an hour before exposure to allergens to allow the medication to start working.

How much Zyrtec can I give my dog?

The usual dose of Zyrtec for dogs is 0.5 mg per pound of body weight, and the maximum per dose is 20 mg.

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Dog’s weightZyrtec dosage
5 lbs½ of a 5 mg tablet
10 lbsone 5 mg tablet
20 lbsone 10 mg tablet or two 5 mg tablets
50 lbstwo 10 mg tablets
80 lbstwo 10 mg tablets
100 lbstwo 10 mg tablets

How much Claritin can I give my dog?

Dog’s weightClaritin dosage
less than or equal to 20 lbshalf of a 5 mg tablet
21 to 50 lbsone 5 mg tablet, or half of a 10 mg tablet
greater than 50 lbsone 10 mg tablet, or two 5 mg tablets

What is the most effective antihistamine for dogs?

There are many different options when it comes to choosing an antihistamine for your dog. Here are some of the most popular choices:

  1. Benadryl
  2. Zyrtec
  3. Claritin
  4. ChlorTrimeton
  5. Tavist

The most effective antihistamine for dogs will vary depending on the specific situation. In general, however, Benadryl (diphenhydramine) is the most commonly used antihistamine for dogs and is usually effective in relieving allergy symptoms.

Benadryl comes in different forms, including tablets, capsules, and liquid suspension, so be sure to give your dog the correct form and dose as recommended by your veterinarian.

Not all dogs will respond to Benadryl in the same way. Some dogs may have adverse reactions to the medication, while others may not respond to it at all. If your dog doesn’t respond well to Benadryl, your veterinarian may recommend trying another antihistamine or a different type of allergy medication.

In addition to medication, there are also several non-medical things you can do to help alleviate your dog’s allergy symptoms. For example, you can try to identify and remove the allergens that are causing your dog’s reactions. This may involve removing carpets, using air purifiers, or washing your dog’s bedding frequently. You can also try using a humidifier to add moisture to the air, which can help to reduce allergy symptoms.

What do vets use for dog allergies?

Vets may use a variety of treatments to provide relief for dogs with allergies, depending on the specific cause of the allergies and the severity of the symptoms. Some common treatments for dog allergies include the following:

Antihistamines: Antihistamines are medications that can be used to relieve the symptoms of allergic reactions, such as itchy skin and watery eyes. They work by blocking the action of histamine, a chemical that is released by the body during an allergic reaction. Common antihistamines for dogs include diphenhydramine (Benadryl) and cetirizine (Zyrtec).

Corticosteroids: Corticosteroids are medications that can be used to reduce inflammation and relieve the symptoms of allergic reactions. They work by suppressing the immune system, which helps to reduce the body’s response to allergens. Common corticosteroids for dogs include prednisone and dexamethasone.

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Immunosuppressants: Immunosuppressants are medications that can be used to suppress the immune system and reduce the body’s response to allergens. They are typically used for dogs with severe allergies that do not respond to other treatments. Common immunosuppressants for dogs include cyclosporine (Atopica) and azathioprine (Imuran).

Allergy shots (immunotherapy): Allergy shots, also known as immunotherapy, are a type of treatment that involves exposing the dog to small amounts of the allergens that are causing the reaction. Over time, this can help to desensitize the dog to the allergens and reduce the severity of their allergic reactions.

Alternative to Claritin and Zyrtec for dogs

If your dog is suffering from allergies and you’re looking for alternative options to Claritin and Zyrtec, here are a few options to consider:

Quercetin: This is a natural flavonoid that has antihistamine and anti-inflammatory properties. It can be found in foods such as onions, apples, and black tea.

Bromelain: This is an enzyme found in pineapples that has anti-inflammatory properties. It can be used to reduce swelling and allergies in dogs.

Nettle: This is a plant that has antihistamine and anti-inflammatory properties. It can be used to treat allergies in dogs.

Vitamin C: This is a natural antioxidant that can help to boost the immune system and reduce the severity of allergies in dogs.

Omega-3 fatty acids: These are found in fish oil and can help to reduce inflammation and allergies in dogs.

Apoquel: This is a prescription medication that is specifically designed for dogs with allergies. It works by blocking the production of certain proteins that trigger allergic reactions in dogs.

Cytopoint: This is another prescription medication that is used to treat allergies in dogs. It works by targeting a specific protein that plays a role in allergic reactions, which helps to reduce inflammation and itching.

Atopica: This is a long-term treatment option for dogs with allergies that is available by prescription only. It works by reducing inflammation and suppressing the immune system, which can help to prevent allergic reactions.

Aller-911: This is an over-the-counter supplement that contains natural ingredients like quercetin, bromelain, and N-Acetyl Cysteine, which can help to reduce allergy symptoms in dogs.

Benadryl: While not specifically designed for allergies in dogs, Benadryl can be used as a short-term treatment option for dogs with allergies. It works by blocking the effects of histamine, which can help to reduce symptoms like itching and swelling.

These alternatives may not be suitable for every dog, and it’s always best to consult with a veterinarian before starting any new treatment.

References

  • Claritin vs Benadryl for Dogs?
  • Apoquel vs Claritin for Dogs
  • Zyrtec vs Benadryl for Dogs?
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