Can the loss of appetite in a lung cancer patient improve?

Question

Hello doctor,

My father is 63 years old with stage 4 lung cancer, and his biggest issue now is appetite loss. Chemotherapy started two months ago, and food tastes bitter. His weight has dropped by 17.6 pounds, albumin is 2.8, and Hb is 9.5.

My family keeps forcing food, which upsets him emotionally and physically. He now avoids meals to escape pressure. My questions are:

Can appetite loss in a 63-year-old stage 4 lung cancer patient be reversed during treatment?
Are appetite stimulants safe, or do they interfere with therapy?
Does treating nausea alone improve eating, or is this a cancer-related metabolism issue?

Kindly help.

Answer 1

Hello,

Welcome to icliniq.com.

I read your query and understood your concern.

Loss of appetite in this situation is very common, and it usually happens due to a mix of reasons. Chemotherapy often changes taste, making food feel bitter or unpleasant, and at the same time, the cancer itself can affect the body’s metabolism, reducing the natural feeling of hunger. So this is not something he is doing intentionally.

In some patients, appetite does improve during treatment, especially if the disease responds well, but it may not go back to normal. The aim usually is to maintain strength rather than trying to make him eat like before.

Appetite stimulants can be used when needed and are generally safe under medical supervision. They do not interfere with cancer treatment. They can help some patients, but they work better along with small, frequent meals rather than large portions.

Treating nausea is important because even mild, ongoing nausea can reduce appetite significantly. However, in many cases like this, there is also a cancer-related metabolic component, so controlling nausea alone may not fully bring appetite back.

One important thing to gently highlight is the pressure around food. When patients feel forced, they often start avoiding meals altogether. It is better to offer small amounts, let him choose what he feels like eating, and keep the environment relaxed. Even small quantities, if taken comfortably, are more beneficial than forced intake.

The weight loss, low albumin, and Hb (hemoglobin) indicate that his body is under stress, so the focus should be on comfort, gradual nutritional support, and reducing emotional distress rather than forcing food.

I hope you are satisfied with my answer. For further queries, you can consult me at iCliniq.

Thank you.