What are the reasons for the exacerbation of pain at night?

Generally, the causes of worsened pain at night may include muscle tension, improper sleeping posture, nocturnal rest pain, neuralgia, and periarthritis of the shoulder. Symptomatic treatments such as general therapy and medication may be needed. If discomfort persists, it is recommended to seek medical advice promptly and undergo appropriate treatment under a doctor's guidance. Detailed explanations are as follows:

1. Muscle Tension

Prolonged maintenance of the same posture or excessive muscle use can lead to muscle tension. During nighttime rest, this tension may intensify, causing increased pain, possibly accompanied by symptoms such as muscle stiffness and soreness. It is recommended to relieve muscle tension through heat application and gentle massage to reduce pain.

2. Improper Sleeping Posture

Poor sleeping posture can cause pressure on muscles and joints, leaving certain body areas under prolonged stress, which may impair blood circulation and lead to localized muscle and joint pain. The painful areas may also experience numbness and stiffness due to pressure. It is recommended to adjust sleeping posture and use suitable pillows and mattresses to support the body and avoid localized pressure.

3. Nocturnal Rest Pain

At night, human activity decreases and blood flow slows down, which may lead to local ischemia or increased concentration of inflammatory mediators, thereby intensifying the sensation of pain. Symptoms may include cold limbs, numbness, and color changes in the affected areas. It is recommended to stay warm and wear warm clothing to promote blood circulation.

4. Neuralgia

Neuralgia is usually caused by nerve compression or injury. Nighttime postural changes may exert greater pressure or irritation on the nerves, thus intensifying the pain. Symptoms may include numbness, stabbing pain, and burning sensations. It is recommended to take medications such as carbamazepine tablets, gabapentin tablets, and phenytoin sodium tablets under a doctor's guidance.

5. Periarthritis of the Shoulder

Periarthritis of the shoulder is primarily caused by long-term excessive shoulder activity or poor posture. When patients with periarthritis of the shoulder are at rest at night, local blood supply to the shoulder muscles may decrease, preventing the diffusion of inflammatory metabolites, thereby intensifying the pain. Symptoms may include limited shoulder joint movement and stiffness. Patients can follow medical advice to take medications such as paracetamol tablets, meloxicam tablets, and loxoprofen sodium tablets to relieve pain and inflammation.

It is recommended to avoid strenuous exercise and emotional excitement before bedtime. Listening to calming music, practicing deep breathing, or meditating may help relax the nerves, divert attention, and alleviate the sensation of pain.