My male kid who is 4 and 1/2 yrs suffering from cold cough for a period of year. Cold caugh is having in summer season also while he sleeping along with. We conulted many paediatrician used amxoiling clavanet potacium, cefpodoxime clavanet potacium, amrox hydrocloride with cotrozin, betanoole, binocide, dextamacine very thing but there is not result and every month he is suffering from widal reaction with dialution of: 320. After uing widal treatment like cefexime, cepfodoxime with a period of 6 days there no result and agan we test for widal there is as it is 1: 320 dailution and every 10 days once attacking. What should you suggest for my kid.