Throat infection with shortness of breat

I had persistent dry cough for years. In March I was suffering from dry cough and taking cipla Aerocort Inhaler almost daily. But in April I started Cinnamon powder with honey in warm water empty stomach in the morning. Encouraged by results I started raw garlic in morning also addition to turmeric milk in night. But on April 29 along with Cinnamon and Garlic I drank kada twice that day and garlic milk in the midnight. From next day I felt very dryness in my throat. Although the dry cough vanished completely but dryness in throat and upper respiratory tract troubled me so much that I had to visit doctor after 2 days. I also felt shortness of breath. Urine, blood, X-ray reports were normal so doctor prescribed me Cipla Seroflo Rotacap. But I felt after few days I felt that is not helping me and my problem is from throat. So I stopped taking Rotacap. I consulted ENT doctor also but he prescribed me acidity and vitamin tablet. Please help me I am very disappointed. Is it throat cancer?