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What can cause chronic loss of appetite and nausea?

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

Patient's Query

Hello doctor,

I have loss of appetite, occasional nausea, and vomiting. My heartbeat was 81 beats per minute last night after vomiting. The loss of appetite and occasional nausea have been going on for about three years. Rapid heartbeat is only recent.

Kindly help.

Thank you.

Hello,

Welcome to icliniq.com.

I read your query and understood your concern.

There are a few questions before giving my clinical assessment.

Is there any history of eating out lately, or is there any history of taking reheated meals at home, especially stored food, or is there any history of taking regular painkillers, especially in the NSAIDS (non-steroidal anti-inflammatory) category, which can cause stomach upset and gastritis?

If the above history is positive, then try to avoid eating out, reheated meals, and painkillers, especially of this category.

I suggest you start with simple stomach medicines, which include:

  1. Tablet Pantoprazole 40mg once daily, half an hour before breakfast, for two weeks.
  2. Tablet Domperidone 10mg, half an hour before breakfast and dinner for seven days.
  3. Syrup Gaviscon (Antacids) 10ml after meals and as needed (if there are no known allergies to the above).

The heartbeat you mentioned is within the normal range. You should monitor it more frequently. A rapid heart rate is usually categorized as a heart rate above 100. Technically, heart rate is a dynamic measurement and can fluctuate with overall health status.

For example, if you are in distress, it can go up, such as in the case of nausea and vomiting, and under normal circumstances, it will return to a normal heart rate. When you have a heart rate above 100 or experience palpitations without any obvious cause, then it can be categorized as abnormally high.

I do not think a previous coronavirus infection about three years ago is related to your current symptoms.

I hope that this answers your query.

Kindly follow up if you have more doubts.

Thank you.

Medically reviewed byiCliniq medical review team

Published At March 9, 2026
Reviewed AtMarch 10, 2026

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Ghulam Fareed
Dr. Ghulam Fareed

Medical Gastroenterology

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