them to have too much phlegm in their throat.
Pregnancy
Hormonal changes during pregnancy can increase mucus production and cause excess thin secretions to drip down the back of the throat.2
Breathing in toxins
Certain chemicals can irritate your nasal passages and throat and increase mucus buildup in your throat. They can also cause various respiratory problems, including burning sensation in the mouth, coughing, headaches and yellow or green mucus.
Dr. William Blahd on WebMD says that breathing in toxic chemicals can cause serious damage to your body and
