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Is my father's extreme fatigue linked to medications?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I am not the person in need of help, but my father is. My father weighs 141 pounds, is 62 years old, and is 6 feet 1 inch tall.

He has been experiencing extreme fatigue for the past two to three days and has been struggling to eat due to a lack of appetite. He had a heart attack a couple of months ago and had a stent placed. I believe he is taking blood thinners along with several other medications.

Please help.

Thank you.

Hello,

Welcome to icliniq.com.

I have gone through your query and understand your concern.

You are right to be attentive given your father’s medical history. Extreme fatigue and loss of appetite in someone who recently had a heart attack (which occurs when blood flow, containing oxygen, is blocked to a part of the heart muscle) and a stent procedure are never symptoms to take lightly.

These issues could be linked to several possible causes, including reduced heart function, side effects of medications such as blood thinners or beta blockers, low blood pressure, anemia (a common blood disorder where the body lacks enough healthy red blood cells or hemoglobin), electrolyte imbalances, or even an underlying infection.

Because he is struggling to eat, there is also a risk of dehydration and further weakness, which can worsen his condition. His low weight for his height may make him more vulnerable to complications if he is not getting enough nutrition.

The most important step right now is to have him evaluated promptly by a doctor, ideally his cardiologist (a heart specialist), to determine whether these symptoms are related to his heart or another underlying problem.

If he experiences worsening weakness, dizziness, chest discomfort, shortness of breath, fainting, or confusion, he should be taken to the emergency department immediately. Timely assessment and treatment are critical in his situation to ensure that any complications are caught early and managed properly.

I hope I have answered your question.

Let me know if I can assist you further.

Thank you.

Answered byDr. Ashraf Ghani

Medically reviewed byiCliniq medical review team

Published At April 9, 2026
Reviewed AtApril 10, 2026

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