Does Drinking Coffee Cause Heart Discomfort or Breathing Issues? - Cardiology

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Can drinking coffee cause discomfort in the heart?


I had a large cup of coffee between 8 and 9 PM tonight.
After a while, I felt some mild discomfort in my upper abdomen, but it wasn't severe pain.
When I went to bed at 10:30 PM, I noticed difficulty breathing and chest tightness while lying down.
However, I felt better when sitting or standing.
Could these symptoms be related to drinking coffee?

Zhou Tongxue, 10~19 year old female. Ask Date: 2022/10/14

Dr. He Dongjin reply Cardiology


Hello, can drinking coffee cause discomfort in the heart? It is possible, but your symptoms sound more like gastroesophageal reflux disease (GERD).
It might be best to avoid it in the future.
Changhua Hospital cares about your well-being.

Reply Date: 2022/10/14

More Info


Drinking coffee can indeed lead to various physiological responses, and your experience raises some important considerations regarding its potential effects on heart discomfort and breathing issues. While coffee is a beloved beverage for many, it contains caffeine, a stimulant that can affect the cardiovascular and gastrointestinal systems.

First, let's address the symptoms you described. After consuming a large cup of coffee, you experienced some upper abdominal discomfort, difficulty breathing, and a sensation of chest tightness when lying down. These symptoms could be related to several factors, including the effects of caffeine, the timing of your coffee consumption, and possibly underlying gastrointestinal issues.

Caffeine can stimulate the production of stomach acid, which may lead to gastroesophageal reflux disease (GERD) or exacerbate existing reflux symptoms. When lying down, the likelihood of acid reflux increases, which can cause discomfort in the chest area and a sensation of breathlessness. This is often mistaken for heart-related issues, but it is primarily a gastrointestinal problem. If you have a history of acid reflux or heartburn, it would be prudent to consider how coffee might be contributing to these symptoms.

Additionally, caffeine can lead to increased heart rate and palpitations in some individuals, particularly those who may be sensitive to it. This can create a feeling of anxiety or discomfort, especially when combined with the physical effects of lying down after consuming a stimulant. If you have any pre-existing heart conditions or anxiety disorders, caffeine may exacerbate these feelings.

Moreover, your symptoms could also be influenced by other lifestyle factors, such as stress, sleep patterns, and overall hydration. If you are under significant stress or have irregular sleep, these factors can contribute to feelings of discomfort and exacerbate the effects of caffeine.

To address your concerns, it may be beneficial to monitor your coffee consumption and observe how your body reacts. If you notice a consistent pattern of discomfort following coffee intake, it might be wise to reduce your consumption or switch to decaffeinated options. Additionally, consider the timing of your coffee consumption; having coffee later in the evening could interfere with your sleep and lead to increased discomfort when lying down.

If your symptoms persist or worsen, it is crucial to consult a healthcare professional. They can conduct a thorough evaluation, including a physical examination and possibly diagnostic tests, to rule out any underlying conditions that may be contributing to your symptoms. This is especially important if you experience any new or concerning symptoms, such as severe chest pain, shortness of breath, or persistent gastrointestinal discomfort.

In summary, while drinking coffee can lead to heart discomfort and breathing issues for some individuals, it is essential to consider the broader context of your health and lifestyle. Monitoring your symptoms, adjusting your coffee intake, and seeking medical advice if necessary can help you manage your discomfort effectively.

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