How much Zyrtec can a 30 pound dog have?
Cetirizine (Zyrtec) ¼ – ½ mg per pound (one 10mg tab per 30-40 lbs) twice daily.
Will Zyrtec make a dog sleepy?
The most common side effect of using Zyrtec for dogs is drowsiness. It’s still relatively rare, but it can occur when your dog is just starting to take the medication, or if the dosage is too high. Smaller dog breeds are more susceptible to this side effect.

How often can I give my Dog Zyrtec?
Despite this, if your dog has previously been prescribed Zyrtec without experiencing any side effects it can prove very useful in helping with allergies. Zyrtec is available in tablet or liquid form, and typical dosage is weight-based; 0-15 lbs – 5 mg once per day. 16-39 lbs – 10 mg once per day (equivalent of 1 tablet)
Is it OK to use Zyrtec on bee stings?

Furthermore, the dosage of Zyrtec will also vary, based on what you are treating. For instance, the dosage to treat itchy skin will be different from the dose to treat an allergic reaction such as a bee sting. Perhaps the most important thing for pet owners to know if choosing to use Zyrtec is to never, ever use Zyrtec-D.
Why do people take Zyrtec instead of Benadryl?
The conventional medication is one of the second-generation antihistamines that is often prescribed for human use in coping with environmental changes that often leave us with stuffy noses and red, itchy eyes. One of Zyrtec’s most appealing features is that it does not cause drowsiness like other antihistamines such as Benadryl.
What’s the difference between cetirizine and Zyrtec?
Zyrtec is the brand name for an antihistamine called cetirizine. A newer drug, cetirizine is often referred to as a second-generation antihistamine and is relatively non-sedative. One of the benefits of Zyrtec is that it works quickly and can relieve symptoms in as little as an hour. Not only that, but Zyrtec has very few serious side-effects.
Can you buy Zyrtec over the counter for dogs?
Zyrtec (®) with the active ingredient cetirizine is an antihistamine sometimes used to treat dermatitis, a condition which causes a dog’s skin to become itchy. It can be purchased over-the-counter and is tolerated well by most dogs.
Which is better for Itchy dogs Zyrtec or Benadryl?
Zyrtec (cetirizine) is used to treat itchy dogs with these conditions: It is not often used to treat allergies which aren’t related to the skin. If your dog has a different type of allergy Benadryl® is usually a better choice, unless the sedative side effects are a concern.
Is it OK to give Zyrtec as a pill?
These days, vets are turning to using a second-generation drug called cetirizine hydrochloride, more commonly known as Zyrtec. Zyrtec may be prescribed in both liquid and pill form, although it is most often given as a pill. Zyrtec should never be administered without the permission and supervision of a licensed veterinary professional.
Why is Zyrtec called an anti histamine drug?
Drugs like Zyrtec block the histamine effect that occurs when they attach to those histamine receptors, which is why Zyrtec and drugs like it, are called “anti” histamine medications. Most histamine blocking drugs work to either bind to H1 receptors or H2 receptors. Very few drugs will work on both types of histamine receptors.