You should see your doctor or an eye specialist immediately, as herpes zoster affecting the eyes may cause serious complications. Early treatment with antiviral medications, such as acyclovir or valacyclovir, is essential to prevent the rash from spreading and protect your vision. Keep the affected skin clean and dry, and avoid touching or scratching it to reduce the risk of secondary infections.

For herpes zoster on your back, your doctor may prescribe antiviral medicines such as acyclovir, valacyclovir, or famciclovir to help the rash heal faster and reduce its severity. You may take paracetamol or NSAIDs for pain relief, and keep the affected area clean and dry to prevent secondary bacterial infection.

Persistent pain and itching after herpes zoster may indicate post-herpetic neuralgia, which requires specific pain relief medicines such as pregabalin or gabapentin. You should consult a doctor or neurologist promptly to manage the pain and adjust treatment. Please do not continue or change medication on your own.

You should take antiviral medicines such as valacyclovir or aciclovir, as prescribed by your doctor, to treat herpes on your back and stomach. Antihistamines such as cetirizine and soothing lotions such as calamine can help relieve itching, and medicines for nerve pain, such as pregabalin or gabapentin, may be added if required.

For a skin infection causing itching and rashes, maintain good hygiene, keep the affected area clean and dry, and avoid scratching to prevent worsening. A doctor may prescribe an antifungal or antibiotic cream depending on the cause. Seek medical attention promptly if the rash spreads, becomes painful, or is accompanied by fever or discharge.