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  1. 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 …

  2. COPD - Symptoms and causes - Mayo Clinic

    Mar 13, 2026 · 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 …

  3. 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 …

  4. 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.

  5. Chronic sinusitis - Symptoms and causes - Mayo Clinic

    An infection, growths in the sinuses, called nasal polyps, or swelling of the lining of the sinuses can cause chronic sinusitis. Symptoms might include a blocked or stuffy nose that makes it hard to …

  6. Cold symptoms: Does drinking milk increase phlegm? - Mayo Clinic

    Jun 13, 2023 · Colds mean extra thick and sticky mucus, but dairy milk doesn't make phlegm worse.

  7. 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 …

  8. Pseudomembranous colitis - Symptoms & causes - Mayo Clinic

    Sep 3, 2025 · Symptoms of pseudomembranous colitis may include: Watery diarrhea. Pus, mucus or blood in the stool. Severe belly cramps, pain or tenderness. Fever. Nausea. Thirst, dry mouth and …

  9. Atelectasis - Symptoms and causes - Mayo Clinic

    Nov 8, 2023 · Mucus plug. A mucus plug is a buildup of sputum or phlegm in your airways. It commonly occurs during and after surgery because you can't cough. Drugs given during surgery make you …

  10. Signs of labor: Know what to expect - Mayo Clinic

    Jul 23, 2024 · During pregnancy, a thick plug of mucus blocks the opening of the cervix to keep bacteria from entering the uterus. During the late third trimester, this plug might move into the vagina. As a …