Skin lightning pain

Introduction If there is "lightning pain" on the surface of the skin and a similar situation occurs for several days, it may be asymptomatic herpes zoster. Herpes zoster is an acute infectious skin disease caused by varicella-zoster virus. Chickenpox occurs after a child with no immunity to the virus is infected. Some patients become infected with a virus without symptoms. Because the virus is neurotropic, it can be lurking in the neurons of the posterior root ganglia of the spinal cord for a long time after infection. When the resistance is low or tired, infected, or caught, the virus can grow and reproduce and move along the nerve fibers to the skin. Causes intense inflammation of the affected nerves and skin.

Cause

Asymptomatic herpes zoster is a herpetic skin disease caused by varicella-zoster virus, which occurs in the elderly and the elderly. Especially in the elderly, with the increase of age, the various functions of the body are declining, and the repair of damaged nerve tissue is also difficult, so it is easy to have postherpetic neuralgia.

an examination

Related inspection

Blood routine

The skin of the diseased part has the size of mung bean, the papules with large tension, and the blisters. The light can have a normal skin interval in each cluster. In severe cases, the large pieces can be fused and distributed in a strip shape. After a few days, the clear and transparent blisters become turbid pus. The blister can be partially broken to form a smash, and this type of syndrome is easier to distinguish. However, in a few cases, there is only neuralgia and no skin damage. This asymptomatic herpes zoster is easily misdiagnosed. If the lesion occurs on the face, it is easy to be misdiagnosed as trigeminal neuralgia; it occurs at the edge of the rib and is easily mistaken for intercostal neuralgia. Other misdiagnosis is angina pectoris, ulcer disease, biliary or renal colic, appendicitis, or early glaucoma.

Often some middle-aged and elderly patients still have pain after the herpes zoster has completely retreated, and the local skin is intact but not dare to touch. This is because the nature of herpes zoster pain is inflammation or even necrosis of the affected ganglia. The degree of pain and the length of time are not necessarily consistent with the rash. Especially if the physical condition is poor, or if the treatment is not timely, the pain can last for several months or even longer.

Differential diagnosis

Differential diagnosis of skin lightning pain:

1. Skin pain is divided into two types: rapid pain and slow pain. Quick pain occurs quickly when the skin is stimulated. It is a sharp and sharp tingling. It disappears quickly after the stimulation is removed. Slow pain is a Burning pain, which is unclear and unbearable, is usually produced after 0.5 to 1 second after stimulation, and lasts for a long time, accompanied by changes in heart rate, blood pressure, breathing, and mood.

2, visceral pain compared with skin pain, has the following characteristics: slow pain, long duration, inaccurate positioning; poor ability to resolve the nature of the stimulus; sensitive to mechanical traction, ischemia, inflammation, etc. The stimulus is not sensitive. The skin of the diseased part has the size of mung bean, the papules with large tension, and the blisters. The light can have a normal skin interval in each cluster. In severe cases, the large pieces can be fused and distributed in a strip shape. After a few days, the clear and transparent blisters become turbid pus. The blister can be partially broken to form a smash, and this type of syndrome is easier to distinguish. However, in a few cases, there is only neuralgia and no skin damage. This asymptomatic herpes zoster is easily misdiagnosed. If the lesion occurs on the face, it is easy to be misdiagnosed as trigeminal neuralgia; it occurs at the edge of the rib and is easily mistaken for intercostal neuralgia. Other misdiagnosis is angina pectoris, ulcer disease, biliary or renal colic, appendicitis, or early glaucoma.

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