Severe pain

Pain is often a sign of having a systemic disease or cancer. Especially when the elderly suffer from severe pain, if it cannot be alleviated by common drugs, it is likely to indicate that the elderly suffer from more serious diseases such as malignant tumors or tuberculosis. "Trigeminal neuralgia" is a type of paroxysmal severe neuralgia that recurs in the trigeminal nerve distribution area of ​​the face. In the trigeminal nerve distribution area of ​​the head and face, sudden onset, sudden arrest, lightning-like, knife-like, burning This kind of stubborn, unbearable, severe pain. Some people call this pain "the world's first pain."