What Causes Tingling In Tongue And Throat With Chronic Cough?

Hi, may I answer your health queries right now ? Please type your I have had a chronic cough for 9 months which is getting worse. My tongue is numb and tinging, food tastes funny or bitter. have had x ray, 2 sorts of inhales, omeprazole, antibiotics. I am awake all night and cough day and night. i cannot work, go out etc. my throat and tongue tingle , there is sometimes a dry patch in my throat. I am desperate and finding it difficult to cope i am so tired. help