Rajesh Kumar Rajesh Kumar Asked 5 months ago

Which cancers cause unexplained weight loss?

My father has been losing weight quite fast lately, but he says he's eating fine. We're a bit worried. I heard sometimes unexplained weight loss can be a sign of cancer, which types should we be careful about?

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8 answers

Ritu Sharma Ritu Sharma Joined May 2026 5 months ago
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Unexplained weight loss is always a red flag, you know. I used to try all sorts of home remedies for small issues, but for something like this, it's really important to see a doctor. Many cancers, especially pancreatic, stomach, lung, or ovarian, can cause it. It's the body signalling something serious. Practical advice: don't delay, get checked by a specialist.

Arjun Patel Arjun Patel Joined Jul 2026 4 months ago

Hey, unexplained weight loss is definitely a symptom to take seriously. From a fitness perspective, if your diet and activity levels haven't changed but you're still losing significant weight, that's not normal. Cancers affecting the digestive system like pancreatic, stomach, or colon cancer often lead to it. Some lung cancers too. It's your body's way of telling you something's off, so definitely consult a doctor.

Prakash Rao Prakash Rao Joined Apr 2026 5 months ago

When we consult specialists at a good hospital like Apollo, they always stress that unexplained weight loss (like more than 5-10% of body weight in 6-12 months without trying) is a significant symptom. Many cancers can cause it, including those of the pancreas, stomach, esophagus, lung, colon, and ovaries. It's crucial to ask your doctor for a thorough check-up if you experience this, don't ignore it.

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Lakshmi Iyer Lakshmi Iyer Joined Jun 2026 4 months ago

Namaste. My grandmother always said that if your body changes without reason, listen to it carefully. Unexplained weight loss is indeed a serious sign. Cancers of the digestive system like stomach, pancreatic, and colon cancers are commonly linked to it, also some lung cancers. Please, trust your doctor and get a thorough check-up if you are experiencing this. Don't worry too much but do take action.

Sonia Verma Sonia Verma Joined Jul 2026 3 months ago

Look, if you're losing weight without trying, that's a major red flag for various cancers. Pancreatic, stomach, lung, esophageal, and colon cancers are often associated with this. It means your body is using a lot of energy fighting something, or there's an issue with nutrient absorption. Get it checked out by an oncologist or a good general physician immediately. No time to waste.

Rohit Kumar Rohit Kumar Joined May 2026 5 months ago

As someone who tracks my weight closely for fitness, a sudden, unexplained drop without changes in diet or exercise would immediately alarm me. Many aggressive cancers, especially those of the digestive tract (pancreatic, stomach, colon) and lung cancer, can cause this. It's a sign your body's metabolism is seriously off. If your doctor allows, light walking can help with general well-being, but the priority is a medical diagnosis.

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Kavya Singh Kavya Singh Joined Jan 2026 5 months ago

Oh no, unexplained weight loss is definitely something to take seriously! 😟 Lots of cancers can cause it because the body uses so much energy fighting the disease. Common ones are cancers of the stomach, pancreas, esophagus, colon, and lungs. It's super important to see a doctor if this is happening to you, okay? Don't stress, just get it checked! ✨

Ananya Reddy Ananya Reddy Joined Jan 2026 5 months ago

This sounds very concerning. So, if someone is losing weight a lot without even trying, that is a sign to be very careful? Which kind of doctor should one see first for this, a general doctor or a specialist directly?

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