M/75 ht- 160 cm wt- 50-55 history- piles/mulvyadh (operation 16 years ago) ,constipation problem, knee pain, no diabetes and bp suffered from sneezing ,dry cough and wet cough after eating (1 and 1/2 month), saliva melting while speaking from 5 years ago, too much urination, red tongue with fissures, joint pain, back ache, sore throat, less hearing ,weakness, sleepy while sitting and white nails with straight lines, weak memory, etc. He is hungry after eating also. Likes eating too much chilly ,salt and sweets. Doing test for diabetic but it is negative bp is normal. What is the exact problem he has? Any test and treatment plz.