Should Allergy Sufferers Drink More Water? Expert Insights on Hydration - Otolaryngology

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Should people with allergies drink more water?


There is a book that states that individuals with allergies may develop an allergic constitution and exacerbate nasal conditions due to the following four factors: 1.
Excessive fluid intake (also mentioned in relation to fruits) - I cannot understand this; could you please provide your opinion, doctor? (The book states the following reasons) 2.
Excessive sugar intake 3.
Cold intolerance in the feet 4.
Insufficient salt intake.

Regarding the first point, the book explains that excessive fluid intake dilutes the blood, weakening its tension.
This leads to a loss of the body's balance mechanisms and autonomic nervous system dysfunction, making the constitution more prone to disturbances.
When the function of the autonomic nervous system weakens, the parasympathetic nervous system becomes more active, causing vasodilation and increasing secretions such as sweat and urine, which can also lead to increased nasal discharge.
Another downside of excessive fluid intake is that it can lead to lethargy and decreased motivation for physical activity.

Please explain the third point: The book states that individuals with cold intolerance in their feet often experience poor blood flow to the extremities.
In the case of excessive fluid intake, if the digestive organs become cold, it can also affect the head and extremities, preventing blood from reaching not only the feet but also the hands and nasal mucosa.
Please explain this, doctor.

Chen Tongxue, 30~39 year old female. Ask Date: 2005/07/30

Dr. Hu Kexin reply Otolaryngology


Hello: The points you mentioned are mostly inferences, and there is currently no clear medical evidence to support these inferences as definitive conclusions.
Hooke's Law.

Reply Date: 2005/07/30

More Info


When it comes to hydration and its effects on allergy sufferers, the relationship is complex and often misunderstood. Let's break down the points you've raised and provide some expert insights.

1. Excessive Water Intake: The claim that excessive water intake can dilute blood and weaken its tension is rooted in the concept of homeostasis. The body maintains a delicate balance of electrolytes and fluids. When someone drinks an excessive amount of water, it can lead to a condition known as hyponatremia, where sodium levels in the blood become dangerously low. This can result in symptoms such as headache, confusion, and in severe cases, seizures or coma. However, for most healthy individuals, drinking adequate amounts of water is essential for maintaining bodily functions, including the immune response, which is crucial for managing allergies.

2. Sugar Intake: High sugar consumption can lead to inflammation in the body, which may exacerbate allergic reactions. Sugars can promote the release of histamines, the chemicals responsible for allergy symptoms. Therefore, managing sugar intake is beneficial for those with allergies.

3. Cold Feet: The idea that cold feet can affect blood circulation to the extremities, including the nasal mucosa, is plausible. Poor circulation can lead to reduced blood flow to these areas, potentially exacerbating symptoms of nasal congestion or other allergic reactions. However, this is more about overall circulation and body temperature regulation than directly related to water intake.

4. Low Salt Intake: Sodium is crucial for maintaining fluid balance in the body. Insufficient salt intake can lead to dehydration at the cellular level, which may impair various bodily functions, including the immune response. For allergy sufferers, maintaining a balanced diet that includes adequate salt can help ensure that the body functions optimally.


Should Allergy Sufferers Drink More Water?
For allergy sufferers, staying hydrated is generally beneficial. Adequate hydration helps thin mucus in the airways, making it easier to expel allergens and irritants. It also supports overall bodily functions, including the immune system, which is vital for managing allergic reactions. However, moderation is key. Drinking water in appropriate amounts—typically around 2 liters per day for most adults—ensures that the body remains hydrated without risking the dilution of essential electrolytes.


Recommendations for Allergy Sufferers:
1. Hydration: Aim for a balanced intake of water throughout the day. Instead of consuming large amounts at once, drink smaller amounts regularly. This approach helps maintain hydration without overwhelming the body's systems.

2. Dietary Balance: Monitor sugar and salt intake. Reducing sugar can help minimize inflammation, while ensuring adequate salt can support fluid balance.

3. Temperature Regulation: Keep your extremities warm to promote better circulation. This can be particularly important for those who experience cold feet, as improved circulation may help alleviate some allergy symptoms.

4. Consultation with Healthcare Providers: If you have specific concerns about hydration and allergies, consider consulting with a healthcare professional. They can provide personalized advice based on your health status and needs.

In conclusion, while hydration is essential for overall health and can aid in managing allergies, it is important to strike a balance. Excessive water intake can lead to complications, while inadequate hydration can worsen allergy symptoms. A well-rounded approach that includes proper hydration, a balanced diet, and attention to overall health will be most beneficial for allergy sufferers.

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