Medically reviewed by Michael Menna, DOMedically reviewed by Michael Menna, DO Coughing up mucus is often a sign of a respiratory infection, allergies, gastroesophageal reflux disease (GERD), or ...

The stomach lining produces mucus to create a barrier between the stomach lining and acidic gastric substances. These acids can cause problems such as upset stomach or heartburn. Glands in the nose ...

But dairy products, allergies, and eating dehydrating foods such as coffee, tea, and alcohol can also turn your mucus white. Acid reflux (also known as heartburn) or dry conditions may also be the ...

What can feel more frustrating than having a cough? Having a cough that happens more often or gets worse at night. It affects how much you can relax, fall and stay asleep, and get much-needed rest ...