The reasons why cancer is painless at the end include the use of pain medication, invasion of nerves causing sensory dysfunction and the development of impaired consciousness.
1. Cancer patients may experience a short period of pain relief after the use of pain relieving drugs and will show no pain.
2. When the malignant proliferating tumor cells infiltrate or compress the peripheral nerves in the process of growth, it may cause the abnormal conduction function of the nervous system, and the patient may have the manifestation of loss of pain sensation.
2. Cancer patients may suffer from systemic failure in later stages, including renal failure, heart failure, liver failure, severe anemia, etc. If there is impairment of consciousness, patients may have a dull sensation of pain.
When cancer occurs, it is necessary to actively consult the doctor and carry out reasonable treatment under the doctor’s guidance.