Just like humans, 시알리스가격 animals can be allergic to some medications. Cats are particularly sensitive to the side effects from medications. Just like humans, 시알리스구입처 they can Read more Medication and Drugs +3 Does amoxicillin cause constipation in cats? Asked by Wiki User Constipation is not a side effect of Clavamox. Diarrhea, nausea, vomiting, and loss of appetite are possible though.