My dog is sick and not eating after lepto vaccine. What should I do?

Well that depends on the severity of the adverse reaction. If she is having a mild vaccine reaction (1 bout of vomiting, loose stool), then an anti-histamine (i.e. Benadryl) can be given in most cases and will calm the reaction down. However if she is having a more severe adverse reaction (i.e. continuous vomiting, anaphylaxis, severe lethargy, anorexia), then she will need an antihistamine shot (for immediate reversal), +/- steroid shot from your vet , +/- fluid therapy and close monitoring to ensure that the reaction subsides and that she remains stable.

While not considered a "core" vaccine, the leptospirosis vaccine is highly recommended for dogs who may be at risk for contracting leptospirosis, as it is a disease that can lead to agonizing deaths in both animals and humans. See the links below for more information: https://www.avma.org/public/PetCare/Pages/Leptospirosis.aspx https://ebusiness.avma.org/files/productdownloads/LR_COM_ClientBroch_Leptospirosis_022616.pdf

Thank you for contacting Petco Pet Education Center, formerly Petcoach with your question about Maizy. I'm sorry she is so sick. Dogs do not always die from lepto but there will be those dogs that are quite sick and cannot make it. I would take her back into the vet immediately to get intensive care with them there including IV fluids and injectable medications to try to save her. I hope this helps.

Thanks for using Petco Pet Education Center, formerly Petcoach! This may be due to the leptospirosis or possibly due to the medications he may be in or something totally unrelated. The safest thing would be to contact your veterinarian who is familiar with the case so that they can recommend further. Have a great day!

Take him in to be rechecked by your veterinarian. Blood work should be submitted to assess major organ function, especially liver and kidney function. Both organs can be affected by leptospirosis. Damage to either may result in a build up of toxins in the blood that would affect appetite. Luke may need supportive care (hospitalization, IV fluids, parenteral nutrition, etc.) until he is eating on his own. In the meantime, you can offer baby food warmed up to stimulate his appetite. Mix in some unflavored PediaLyte with his water as well.

I would be concerned in that vomiting isn't a typical reaction after receiving vaccines, but it's good that Toby seems completely find otherwise. To be safe, I would give the vet who gave him the vaccines a call. Vomiting after vaccines can be a sign of an allergic reaction, and your vet may want to see him. If you can't reach his vet, watch him very closely. Should the vomiting continue, or he develops other signs such severe coughing, difficulty breathing, itchy skin, hives, or swelling of the face, rush him into an ER vet right away. I hope this helps!

Getting vaccines can be stressful and painful to the dog, and Scrappy may be feeling a little off from all the stress of the day. I would continue to monitor him, and I would be worried if he starts having protected vomiting or diarrhea, develops a swollen face and muzzle, and starts having trouble breathing. Those can be signs of a rare but serious vaccine reaction, and in that case, I'd take him into a vet right away. Try putting a cold compress on where he received his lepto vaccine to see if that helps him. You can apply for 5-10 minutes a couple of times a day. Typically a dog is back to normal within 24-48 hours after a vaccine. Best of luck, I hope this helps.