My cat got Zyrtec twice today. Is it an overdose? Will she be okay?

Hello and welcome to Petco Pet Education Center, formerly Petcoach. A safe dose of Cetirizine is 2.5 - 5 mg per cat, so this is likely half a tablet. Please make sure that Cetirizine is the only medical ingredient in the tablet, and there are no other additives. Pseudoephedrine is very toxic for cats, if this is present in the tablet, go to your vet right away. If you have given 10mg, that is ok, she might just be sleepy. Best of luck with Panda.

It should begin to work within a couple hours of administration. The half life allows for once daily dosing in cats. That said, not all antihistamines are effective in every cat. You must find the one that is most effective for your cat.

You may see some increased drowsiness with this dose, but this is low enough where I would not expect any true toxicity concerns. I would also recommend contacting pet poison helpline for more specific informtaion on any toixicty concern for your pet. Best wishes with Sy and I hope that he turns out ok. Take care.

How many milligrams did you give? Cats can have Loratidine. The recommended dose is 5mg once a day. Side effects are rare with this medication but they can happen. Side effects may include: * hyperactivity * depression/lethargy * elevated heart rate * dry eyes * dry mouth * vomiting * diarrhea * not eating * facial swelling * difficulty breathing * rash * itching If your cat has underlying kidney or liver disease that can make side effects worse. If this behavior lasts longer than 24 hours he needs to see a vet. In the future you should consult with your vet before giving any medications to your cat.

Although uncommon, cetirizine can cause sedation, lethargy, and lack of appetition animals. Please call your vet and discuss the clinical signs that he is experiencing. Your vet may want to switch medications or might want to see your cat to make sure there isn't something else causing the problem.

You should speak to your vet before discontinuing any prescribed medications but if she has such mild symptoms and such a low current dose, it may be worth trying her without and monitoring for any changes. Any worsening of symptoms would indicate need for further medication

Hello. I am sorry your question was not addressed earlier. If this was an accidental overdose, then hopefully you have taken Zeydl to the emergency clinic for treatment. If she takes the zantac for therapeutic reasons, it is unlikely to be causing a problem as it has a good safety profile. She may need to see your veterinarian tomorrow to see why she is not feeling well. I hope all is well soon. Take care.