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What causes a dry throat?

Dec 27, 2024 Source: Cainiu Health
Dr. Lu Cheng
Introduction
Under normal circumstances, the throat refers to the pharynx. Dryness in the throat may be caused by factors such as dehydration, dry environment, excessive voice use, Sjögren's syndrome, diabetes, and others. If discomfort occurs, timely medical attention is recommended. It is also important to maintain a regular作息 (作息 translates to作息 time or routine), avoid staying up late, and ensure adequate sleep, which helps maintain the normal functioning of bodily organs.

Generally speaking, the throat refers to the pharynx. Dryness in the throat may be caused by factors such as dehydration, dry environment, excessive voice use, Sjögren's syndrome, diabetes, and others. If discomfort occurs, timely medical consultation is recommended. Detailed explanations are as follows:

　　

1. Dehydration

When the body lacks sufficient water intake, it enters a relatively dehydrated state, and the moisture in the pharyngeal mucosa also decreases correspondingly, possibly leading to a dry throat. It is important to maintain adequate water intake daily, at least 1500–2000 mL, which can be consumed in multiple portions.

2. Dry Environment

A dry environment reduces air humidity, causing easier evaporation of moisture from the pharyngeal mucosa, which may result in a dry throat. Using a humidifier can help increase indoor air humidity during daily life.

3. Excessive Voice Use

Prolonged loud speaking, singing, or shouting can fatigue the throat muscles and affect the secretion function of the pharyngeal mucosa, possibly reducing mucus production and causing dryness in the throat. Rational voice use and avoiding prolonged continuous vocalization are recommended.

4. Sjögren's Syndrome

Sjögren's syndrome is an autoimmune disease primarily caused by the body's immune system mistakenly attacking its own exocrine glands, leading to secretion dysfunction in glands such as the salivary and lacrimal glands. Saliva secretion is significantly reduced, leaving the throat mucosa insufficiently moisturized, resulting in dryness. Symptoms may also include dry mouth and dry eyes. Treatment may include medications such as anethol trithione tablets, cyclophosphamide tablets, and hydroxychloroquine sulfate tablets, under a doctor's guidance.

5. Diabetes

Insufficient insulin secretion or impaired insulin function leads to elevated blood glucose levels. In this hyperglycemic state, blood osmotic pressure increases, drawing water out of cells, causing dehydration of pharyngeal mucosal cells, and resulting in a dry throat. This may also be accompanied by symptoms such as increased thirst and appetite. Patients may follow medical advice to use medications such as metformin hydrochloride tablets, glipizide tablets, and insulin aspart injection for treatment.

Maintaining a regular sleep schedule and avoiding staying up late are important, as sufficient sleep helps maintain normal organ function. Additionally, spicy, greasy, and irritating foods should be avoided, as they may irritate the pharyngeal mucosa and worsen throat discomfort.

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