How Much Zyrtec Can I Give A 90 Pound Dog?
How Much Zyrtec Can I Give A 90 Pound Dog? Zyrtec (cetirizine) or Claritin (loratadine) can be given once to twice daily. The adult tablets are both 10mg. Dogs under 10 pounds should get no more than 5mg, or 1⁄2 of a tablet. Those weighing 10-50 pounds should get 10mg, and heavy dogs (over 50