
COPD - Symptoms and causes - Mayo Clinic
Aug 30, 2024 · More mucus or changes in mucus color or thickness. Fever. When to see a doctor Talk with your doctor or other healthcare professional if your symptoms don't get better with treatment or if …
Bronchitis - Symptoms and causes - Mayo Clinic
Jul 31, 2024 · The lining of the tubes that carry air to and from your lungs is inflamed. Signs and symptoms include cough, mucus, fatigue and chest discomfort.
Mucus in stool: A concern? - Mayo Clinic
May 30, 2024 · Larger amounts of mucus in stool, associated with diarrhea, may be caused by certain intestinal infections. Bloody mucus in stool or mucus along with belly pain may signal a more serious …
Guaifenesin (oral route) - Side effects & dosage - Mayo Clinic
Feb 1, 2025 · Guaifenesin is used to help clear mucus or phlegm (pronounced flem) from the chest when you have congestion from a cold or flu. It works by thinning the mucus or phlegm in the lungs.
Acute sinusitis - Symptoms and causes - Mayo Clinic
Aug 29, 2023 · Acute sinusitis is most often caused by the common cold. Signs and symptoms may include a blocked and stuffy (congested) nose, which may block your sinuses and prevent drainage …
Asthma - Symptoms and causes - Mayo Clinic
Mar 8, 2025 · Asthma is a condition in which your airways narrow and swell and may produce extra mucus. This can make breathing difficult and trigger coughing, a whistling sound (wheezing) when …
Common cold - Symptoms and causes - Mayo Clinic
May 24, 2023 · The mucus from your nose may start out clear and become thicker and yellow or green. This change is normal. Most often, it doesn't mean that you have a bacterial illness. When to see a …
Coughing more after quitting smoking: What's the deal?
Feb 23, 2023 · Coughing more than usual may be a sign your body is starting to heal. Tobacco smoke paralyzes and destroys some of the tiny hair-like structures in the airways called cilia. As a result, the …
Laryngitis - Symptoms & causes - Mayo Clinic
Sep 20, 2025 · The spaces inside the nose and head become inflamed, and too much mucus drips into the back of the throat. Less common causes of chronic laryngitis include infections from bacteria, …
Cystic fibrosis - Symptoms and causes - Mayo Clinic
Dec 7, 2024 · Cystic fibrosis (CF) is a condition passed down in families that causes damage to the lungs, digestive system and other organs in the body. CF affects the cells that make mucus, sweat …