Why Am I Experiencing Shortness of Breath After Minimal Exercise? - Family Medicine

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Decreased physical stamina?


After almost a week of no exercise, I found myself very out of breath after running one lap (200 meters) around the track this week.
Running two laps felt like my limit.
I've always disliked running on the track and have poor endurance (I tend to be more of a sprinter), but I've never experienced such shortness of breath as I did this week.
After running two laps yesterday, I even felt dizzy, and today my upper abdomen feels strange.
Why is this happening? Since the end of May, I haven't run on the track; my two weekly physical education classes have been badminton or table tennis.
I don't feel very tired after PE, just sweat a lot.
Recently, I've been preparing for the college entrance exam, which has made me more anxious.
My digestive system has been poor lately, with frequent bloating and occasional stomach pain.
I've lost two kilograms over the past two months, but my food intake hasn't changed.
Could these factors be causing my shortness of breath?

Liuhe, 10~19 year old female. Ask Date: 2017/06/23

Dr. Chen Taicheng reply Family Medicine


● Exercise tolerance decreases with lack of physical activity.
Engaging in a small amount of moderate exercise may help reduce shortness of breath.
There are many reasons for dizziness, such as anemia or low blood pressure.
Gastrointestinal discomfort may simply be caused by anxiety, so it can be observed initially.
● If your appetite remains unchanged but you are experiencing weight loss, it is important to consider potential underlying medical issues (such as hyperthyroidism or elevated blood sugar levels).
Common causes of weight loss often relate to gastrointestinal problems, including gastritis, peptic ulcers, dyspepsia, or malabsorption due to insufficient digestive enzymes from the pancreas.
Endocrine issues (such as hyperthyroidism, high blood sugar, or hypercalcemia) are also possible, followed by problems related to the heart, lungs, liver, kidneys, chronic infections, or inflammation, which can also lead to weight loss.
Emotional factors or stress can also impact weight.
● It is recommended to consult with a family medicine or endocrinology specialist for further evaluation and examination.
Wishing you success in your exams, Dr.
Chen Tai-Cheng from Taoyuan Hospital cares about you~

Reply Date: 2017/06/23

More Info


Experiencing shortness of breath after minimal exercise can be concerning, especially if it is a new symptom for you. Based on the information you've provided, several factors may contribute to your current situation.

Firstly, it’s important to consider your recent inactivity. After a week of minimal exercise, your body may not be accustomed to the physical demands of running, even a short distance like 200 meters. When you suddenly increase your activity level, your cardiovascular and respiratory systems may struggle to keep up, leading to feelings of breathlessness. This is particularly true if you have a history of being more of a sprinter than an endurance runner, as your body may not be conditioned for sustained aerobic activity.

Additionally, the stress and anxiety associated with preparing for exams can significantly impact your physical health. Stress can lead to hyperventilation, which may cause feelings of breathlessness, dizziness, and even abdominal discomfort. The gastrointestinal symptoms you mentioned, such as bloating and occasional stomach pain, can also be exacerbated by stress. Stress can affect your digestive system, leading to symptoms like bloating and discomfort, which may further contribute to your overall feeling of malaise.

Your weight loss of two kilograms over two months, despite unchanged eating habits, could indicate that your body is under stress or that your metabolism is affected by anxiety or changes in physical activity. Weight loss in the context of stress and gastrointestinal issues can also lead to decreased energy levels and stamina, making physical exertion feel more taxing.

Moreover, if you have a history of respiratory issues, such as asthma or allergies, these conditions can also play a role in your symptoms. Allergies can lead to airway inflammation, which may not be as noticeable during less strenuous activities but can become apparent during exercise. If you have been exposed to allergens or irritants, this could exacerbate your breathing difficulties.

Given these factors, here are some recommendations:
1. Gradual Increase in Activity: Instead of jumping back into running, consider starting with low-impact exercises such as walking or cycling. Gradually increase your intensity and duration as your body adapts.

2. Breathing Techniques: Practice deep breathing exercises to help manage any anxiety and improve your lung capacity. Techniques such as diaphragmatic breathing can help you take fuller breaths and reduce feelings of breathlessness.

3. Stress Management: Engage in activities that help reduce stress, such as mindfulness, yoga, or meditation. These practices can improve your overall well-being and may help alleviate some of your gastrointestinal symptoms.

4. Monitor Your Symptoms: Keep track of your symptoms, including when they occur and their severity. If you notice persistent shortness of breath, dizziness, or any other concerning symptoms, it is essential to consult a healthcare professional for a thorough evaluation.

5. Consult a Doctor: Given your history of gastrointestinal issues and the recent changes in your physical condition, it may be wise to consult a healthcare provider. They can perform a physical examination and possibly recommend tests, such as lung function tests or blood work, to rule out any underlying conditions.

In conclusion, your experience of shortness of breath after minimal exercise could be attributed to a combination of factors, including recent inactivity, stress, and possibly underlying respiratory issues. By gradually increasing your activity level, managing stress, and consulting a healthcare professional if symptoms persist, you can work towards improving your physical fitness and overall health.

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