If you've got yellow drainage, are coughing, congested, have headaches and a bad taste or breath, it could be a sinus infection, Nish says.

Nish说道，如果你的鼻涕是黄色的，一直咳嗽，喉咙有点充血，并且感到头疼，胃口不好，呼吸不顺畅，那么很有可能就是鼻窦感染。