There is no cure for cat allergy. There is no difference between allergy to long or short haired cats as it is the protein in the cat's saliva that you react to. It is important to wash your hands after touching the cat and then yourself. However, the protein dust is so fine that it gets carried everywhere. The usually get taken once daily, but some individuals may require one tablet twice daily.
Most individuals are allergic to more.
So a blood or skin test will be required. Certain fresh fruits, vegetables and spices may cause an immediate local allergic tissue reaction on the lips, the mouth and in the throat. This presents with a burning sensation, itching and hoarseness within several minutes of oral food contact.