- Track actual weight rather than relying on clothes alone.
- Appetite loss, swallowing difficulty, persistent diarrhoea, bleeding or fever add useful clues.
- Older adults are especially vulnerable to muscle loss and malnutrition.
Why this deserves attention
Weight naturally fluctuates, but losing a noticeable amount without trying deserves attention, especially when appetite, energy or function also changes. Possible causes range from stress and dental problems to overactive thyroid, diabetes, gastrointestinal disease, chronic infection, depression and cancer. The symptom is non-specific, which is exactly why guessing is unhelpful.
What makes it more important
If weight loss is intentional, make sure the plan preserves protein, muscle and overall nutrition. If it is unintentional, bring a timeline of weight changes, appetite, bowel symptoms, medicines and any new pain or lumps to a doctor.
What to do next
A medical assessment may include examination and targeted blood tests or imaging depending on the symptoms. There is no single “cancer blood test” that explains every unexplained weight change.
Where TCM may fit
TCM should not be used to label persistent unintentional weight loss simply as “spleen qi deficiency” or poor digestion. Nutrition support or symptom care may be discussed after serious causes are being appropriately investigated.
When not to wait
Seek prompt care if weight loss comes with dehydration, inability to swallow, significant bleeding, severe weakness, persistent vomiting, jaundice or rapidly worsening illness.
Related reading and Singapore resources
This page provides general health education, not an individual diagnosis or emergency plan. Sudden, severe, persistent or rapidly worsening symptoms — especially red flags — require appropriate conventional medical assessment.