Clear Phlegm: Causes and Solutions for Your Symptoms - Otolaryngology

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The issue of clear phlegm?


Hello doctor, I would like to ask about having a lot of phlegm for the past three months.
It's clear and I have to spit it out multiple times a day, around twenty times, to feel comfortable.
My throat feels very dry and I have a constant urge to drink water, even though I drink plenty of water every day.
I didn't have this problem before.
What can I do to resolve this? I'm quite worried.

Ms. N, 20~29 year old female. Ask Date: 2015/12/04

Dr. Zheng Jueyi reply Otolaryngology


Hello: Clear mucus is often not indicative of a significant infection.
It is recommended to swallow the secretions by drinking water, rather than continuously spitting out saliva and mucus, as this may lead to throat dryness and discomfort.
If symptoms persist without improvement, it may be worth investigating whether chronic inflammation is caused by secondhand smoke or gastroesophageal reflux.
Wishing you safety and health.
Sincerely, Dr.
Jue-Yi Cheng, Director of the Department of Otolaryngology, Taoyuan General Hospital, Ministry of Health and Welfare.

Reply Date: 2015/12/04

More Info


Clear phlegm can be a frustrating and uncomfortable symptom, especially when it becomes a daily occurrence. The presence of transparent phlegm, particularly when accompanied by a dry throat and a frequent need to clear your throat, can indicate several underlying issues. Understanding the potential causes and exploring solutions can help alleviate your symptoms.


Possible Causes of Clear Phlegm
1. Allergies: Allergic reactions to environmental factors such as pollen, dust, mold, or pet dander can lead to increased mucus production. This is your body’s way of trying to trap and eliminate allergens. If you notice that your symptoms worsen during certain seasons or after exposure to specific environments, allergies may be the culprit.

2. Postnasal Drip: This occurs when excess mucus accumulates in the nasal passages and drips down the back of the throat. It can be caused by allergies, sinus infections, or even changes in weather. The sensation of needing to clear your throat frequently is a common symptom.

3. Respiratory Infections: Viral infections, such as the common cold or flu, can lead to an increase in mucus production. Even after the initial infection has resolved, some individuals may continue to experience lingering symptoms, including clear phlegm.

4. Gastroesophageal Reflux Disease (GERD): Acid reflux can irritate the throat and lead to increased mucus production as a protective response. If you experience heartburn or a sour taste in your mouth, GERD could be a contributing factor.

5. Environmental Irritants: Exposure to smoke, pollution, or strong odors can irritate the respiratory tract, leading to increased mucus production. If you live in an area with high pollution or are frequently exposed to irritants, this could be a factor.

6. Dehydration: Ironically, even if you feel like you are drinking enough water, dehydration can still occur. When the body is dehydrated, mucus can become thicker and more difficult to expel, leading to a sensation of needing to clear your throat frequently.


Solutions and Recommendations
1. Stay Hydrated: Ensure you are drinking enough fluids throughout the day. Aim for at least 8-10 glasses of water daily. Herbal teas or broths can also help keep you hydrated and soothe your throat.

2. Identify and Avoid Triggers: If you suspect allergies, consider keeping a diary to track your symptoms and potential triggers. Over-the-counter antihistamines may help alleviate symptoms if allergies are the cause.

3. Use a Humidifier: Adding moisture to the air can help soothe a dry throat and reduce mucus thickness. This is particularly helpful in dry climates or during winter months when indoor heating can dry out the air.

4. Practice Good Nasal Hygiene: Saline nasal sprays or rinses can help clear out mucus and allergens from your nasal passages, reducing postnasal drip.

5. Consult a Healthcare Professional: If your symptoms persist or worsen, it’s essential to consult a healthcare provider. They may recommend further evaluation, such as allergy testing, imaging studies, or a referral to an ear, nose, and throat (ENT) specialist.

6. Consider Dietary Changes: If you suspect GERD, avoiding spicy, acidic, or fatty foods may help reduce symptoms. Eating smaller, more frequent meals can also alleviate pressure on the stomach.

7. Avoid Irritants: If you smoke, consider quitting, and try to avoid exposure to secondhand smoke and other environmental irritants.

In conclusion, while clear phlegm can be bothersome, understanding its potential causes and implementing appropriate solutions can significantly improve your quality of life. If symptoms persist, seeking medical advice is crucial to rule out any underlying conditions and receive tailored treatment.

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