Dear Sir, My daughter is 4 years old. Anytime she is having cold. Always she is spitting sputum, running nose is also there. I used ascoril flu, ascoril LS, Zyrcold, Nocold, Asthalin, Maxtra and antibiotics also I used. Amoxicillin combined with clavulanic acid, cefixime, cefuroxime, Azithromycin. But cold has not been cleared. What to do sir