Only a skin test (that tests for
cat allergy) will rule out for sure whether it is
cat allergy or not. If it is
cat allergy, then if you do not take anti-allergic pills, the symptoms will resurface time and again. You can again start the medications (after consulting a doctor) to see if your symptoms subside. Also, you could live away from the cat for a day or two and see if your symptoms improve. However, it would be best to consult a doctor who can examine you.