Yes it can be asthma. You can possibly get an antihistmine from your vet to help with the coughing. You may also want to let your cat know that the Temeril only worked while he was taking it. He may wants to put him on it for a longer period.
Good Luck!
Edited by ZooCVT on November 9 2004 at 10:30 PM
Let me know if you have any other questions
Good Luck &
Best Fishes