almost 1 month na Ubo at Sipon ni Baby (1 y.o)

Mga mii, Magwa-1 month na ubo ni baby tpos recently nagkasipon sya, we already tried oregano, and also we go to the pedia and do follow up check ups, take antibiotics, carbocistine and do x-ray pero my ubo pa din. Ano po dapat gawin? 1st time mom here... Worrying for my baby na.. any advice po? TIA