What symptom is belt bubble rash

summary

Herpes zoster is caused by varicella zoster virus. It is characterized by a cluster of small blisters distributed along the unilateral peripheral nerve, often accompanied by obvious neuralgia. The incidence rate of this disease is high in summer and autumn. Next, let's talk about the symptoms of this disease. I hope you can prevent it early.

What symptom is belt bubble rash

Symptom 1: often feel pain, severe unbearable. Pain can occur before the rash, manifested as hypersensitivity, light touch induced pain. The pain usually lasts until the rash completely subsides, sometimes lasting for several months. At the beginning of the rash, the skin turned red, followed by clusters of mung bean sized papules. After 1-2 days, the rash rapidly evolved into blisters, which developed along the proximal end of the nerve and arranged in strips. After a few days, the wall of the blister relaxed, the blister fluid became turbid, and then gradually absorbed and became dry. Temporary erythema or pigmentation is left after healing.

Symptom 2: the main feature is the cluster of blisters, along one side of the peripheral nerve for cluster zonal distribution, accompanied by obvious neuralgia. The first infection is chickenpox. Later, the virus can lurk in the dorsal root ganglion of spinal cord for a long time. The weakened immune function can induce chickenpox. The herpes zoster virus can move again, grow and reproduce, spread to the skin along the peripheral nerve and produce herpes zoster.

Symptom 3: some patients become infected with the virus without symptoms. Most of them are middle-aged and elderly. Long term use of corticosteroids or immunosuppressants is more common, the course of disease is generally about half a month. The most common sites were intercostal nerve and trigeminal nerve. The rash is characterized by a cluster of papules and blisters on the basis of tidal erythema, the size of millet to mung bean, clear blister fluid, and bloody or necrotic ulcer in severe cases.

matters needing attention

Can give analgesics such as aspirin, analgin, indomethacin, ibuprofen, Xinhuang Tablets, etc. Postherpetic neuralgia should be treated with analgesics and sedatives, such as doxepin 25mg, 3 times a day;