Asthma Triggers: Cold Weather, Exercise, and Hydration - Traditional Chinese Medicine

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Causes of asthma?


Hello, doctor.
I would like to ask if exercising in cold weather and drinking warm to hot water while feeling breathless could more easily trigger asthma.
I have never had an asthma attack from exercising before, but recently I experienced an attack after drinking warm water during exercise.
I'm not sure if this is related.
Additionally, could wheezing caused by being in a poorly ventilated area while having low fasting blood sugar also be considered asthma?

Zorah, 20~29 year old female. Ask Date: 2018/10/31

Dr. Chen Jieting reply Traditional Chinese Medicine


Drinking warm water does not affect asthma attacks.
The occurrence of dry cough or wheezing may be more closely related to the recent winter northerly winds and poor air quality.
If asthma continues to recur, especially with persistent dry cough or wheezing at night, it is advisable to visit our clinic for further evaluation.

Reply Date: 2018/10/31

More Info


When it comes to understanding asthma triggers, particularly in relation to cold weather, exercise, and hydration, it's essential to consider how these factors interact with the respiratory system. Cold air is a well-known trigger for asthma symptoms. When exercising in cold weather, the airways can become constricted, leading to increased resistance and difficulty breathing. This phenomenon is often referred to as exercise-induced bronchoconstriction (EIB).
Drinking warm water during exercise, especially in cold conditions, may not directly cause an asthma attack, but it can influence your overall comfort and hydration status. Hydration is crucial for maintaining optimal lung function. Dehydration can lead to thicker mucus in the airways, which can exacerbate asthma symptoms. However, if you are already experiencing wheezing or shortness of breath, drinking warm water may not alleviate those symptoms and could potentially make you feel more uncomfortable if you are sensitive to temperature changes.

If you have experienced asthma symptoms after drinking warm water while exercising in cold weather, it may be worth considering other factors that could be contributing to your symptoms. For instance, the intensity of the exercise, the duration, and your overall asthma management plan should be evaluated. It’s also important to ensure that you are using your prescribed asthma medications, such as a bronchodilator, before engaging in physical activity, especially in cold conditions.

Regarding your question about experiencing wheezing in a poorly ventilated area when your blood sugar is low, this could indeed be related to asthma. Low blood sugar can lead to symptoms such as dizziness, fatigue, and even anxiety, which can exacerbate breathing difficulties in individuals with asthma. Poor air circulation can also lead to an accumulation of allergens or irritants in the environment, which can trigger asthma symptoms. If you find yourself in a situation where you are feeling faint or experiencing wheezing, it is advisable to move to a well-ventilated area and monitor your blood sugar levels.

To manage asthma effectively, especially in cold weather or during exercise, consider the following strategies:
1. Warm-Up Properly: Before engaging in any physical activity, especially in cold weather, ensure you have a proper warm-up routine. This can help prepare your airways for the upcoming exertion.

2. Use a Scarf or Mask: Covering your mouth and nose with a scarf or mask can help warm the air before it enters your lungs, reducing the likelihood of bronchoconstriction.

3. Stay Hydrated: Drink plenty of fluids throughout the day, and consider warm beverages if you find them soothing. However, be mindful of your symptoms and how your body responds.

4. Monitor Your Environment: Be aware of your surroundings. If you are in a poorly ventilated area, try to move to a space with better airflow.
5. Medication Management: Always have your rescue inhaler on hand, and consult with your healthcare provider about your asthma action plan. This plan should include how to manage symptoms during exercise and in varying environmental conditions.

6. Consult a Specialist: If you continue to experience asthma symptoms, consider consulting an allergist or pulmonologist. They can provide tailored advice and possibly adjust your treatment plan.

In summary, while cold weather and exercise can trigger asthma symptoms, hydration plays a supportive role in managing your condition. Pay attention to how your body reacts to different situations, and don’t hesitate to seek medical advice if you have concerns about your asthma management.

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