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PetDosageChart

Antihistamine (H1 Receptor Antagonist) · For Cats · 8 lb

How much Atarax for a 8 lb cat?

A 8 lb cat (3.6 kg) should receive approximately 5.4 mg of Atarax per dose, given Every 8-12 hours.

This dosage information is for educational purposes only. Always consult your veterinarian before giving any medication to your pet. Dosages may vary based on your pet's health conditions, other medications, and individual factors.

Content reviewed by licensed veterinarians. Sourced from Plumb's Veterinary Drug Handbook and the Merck Veterinary Manual.

Dosage · 8 lb cat

Atarax dose for a 8 lb cat

Low Dose

3.6

mg

Standard

5.4

mg

Max Safe

7.3

mg

Frequency

Every 8-12 hours

Weight in kg

3.6 kg

Always confirm with your veterinarian before administering medication. These calculations are estimates based on published veterinary pharmacology references.

Other Weights

Atarax for a different size cat

FAQ · 8 lb cat

Questions about Atarax for a 8 lb cat

How much Atarax for a 8 lb cat?
A 8 lb cat should receive approximately 5.4 mg of Atarax (Hydroxyzine) per dose, given Every 8-12 hours. That works out to about 0.5 × 10 mg. Always confirm with your veterinarian before administering medication.
What is the safe dose range of Atarax for a 8 lb cat?
The published dose range for a 8 lb cat is roughly 3.6 mg (low) to 7.3 mg (max safe), with 5.4 mg as the typical standard dose. Frequency: Every 8-12 hours.
How often can I give Atarax to a 8 lb cat?
Atarax is typically given Every 8-12 hours. Do not exceed the recommended frequency without veterinary guidance.

Need a different weight?

Use the calculator on the main Atarax page for any exact weight, or read the full dosage chart and safety information.

Full Atarax dosage guide →

Sources · 09

Sources & references

The dosage information on this page is compiled from the following veterinary and pharmaceutical references:

  • Plumb's Veterinary Drug Handbook — the standard veterinary pharmacology reference used by veterinarians worldwide.
  • Merck Veterinary Manual — a trusted, peer-reviewed resource for veterinary professionals and pet owners.
  • DailyMed (FDA Drug Labels) — official FDA-approved drug labeling and prescribing information for Hydroxyzine.

Read more about our methodology and how we calculate dosages.