Mucus Buildup: Causes, Symptoms & Relief

* In the sinuses: A stuffy nose, pressure in the face, or a headache may indicate that you have mucus trapped in your sinuses. This can occur due to allergies, a cold, or the flu.

* In the lungs: A cough, wheezing, or shortness of breath may indicate that you have mucus trapped in your lungs. This can occur due to asthma, bronchitis, or pneumonia.

* In the digestive tract: Gas, bloating, or constipation may indicate that you have mucus trapped in your digestive tract. This can occur due to irritable bowel syndrome (IBS), Crohn's disease, or ulcerative colitis.

* On the skin: A rash or itching may indicate that you have mucus trapped on your skin. This can occur due to a skin condition such as eczema or psoriasis.