I've been wondering if there's any kind of link between asthma and an enlarged heart. See, I know asthma can make breathing really tough, so does that mean the heart has to work extra hard to get enough oxygen around the body? If that's the case, could it lead to the heart muscle getting bigger over time because of all the extra effort it has to put in compared to someone without asthma?

Answered by 1 Apollo Doctors

Dr Shubham Chauhan

General Practitioner

MBBS
4+ Yrs

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While there is no definitive evidence that directly links asthma to an enlarged heart, it is plausible to consider that the increased workload on the heart due to labored breathing in asthma patients could potentially lead to the heart muscle becoming enlarged over time. This condition is known as cardiomegaly. In such cases, it is important to manage asthma effectively to reduce the strain on the heart. Medications such as inhaled corticosteroids like Fluticasone (100-250 mcg twice daily) and bronchodilators like Albuterol (2 puffs every 4-6 hours as needed) can help control asthma symptoms and potentially reduce the risk of complications such as cardiomegaly. Regular monitoring by a healthcare provider is also recommended to assess heart health and adjust treatment as needed.

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Answered 04/07/2025

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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.