It suddenly grew three days ago, painful and itchy, in the chest,
If it appears on one side of the chest, it is considered that herpes zoster is caused by virus infection and has something to do with the decline of immunity. Valaciclovir and Mecobalamin tablets can be taken orally, and acyclovir cream can be applied externally. Pay more attention to rest and don't stay up too late and work too hard. Try to eat less spicy food. Eat more fruits and vegetables and drink more water.
This situation may be due to herpes zoster caused by virus infection. Sometimes immunity decreases, or it is easy to appear when you are overworked. Acyclovir can be used externally to improve symptoms. When itching symptoms occur, try not to scratch with your hands, so as not to cause local ulceration.
You have a small pimple under your chest, which is painful and itchy. It may be caused by herpes zoster and herpes virus infection. It is recommended to apply acyclovir ointment externally, take ribavirin orally, drink more white water, have more rest, eat more fresh vegetables and fruits, have a regular work and rest, don't stay up late and overwork, eat light food, and quit spicy food