No cure in 3 days
Start antiviral medication within 72 hours of rash onset (prescription): acyclovir, valacyclovir, or famciclovir
Contact a clinician immediately to confirm timing and get the correct dose
Keep the rash clean and dry
Cover the rash with a nonstick, breathable dressing if it can be rubbed by clothing
Use cool compresses 10–15 minutes at a time to reduce pain and itching
Apply calamine lotion or colloidal oatmeal baths for itch relief
For pain: use acetaminophen or ibuprofen if safe for you
Ask a clinician about prescription pain options if pain is severe
Avoid scratching and keep nails trimmed
Do not share towels, bedding, or clothing until blisters crust over
Wash hands after touching the affected area
Avoid contact with pregnant people, newborns, and immunocompromised individuals until lesions crust over
If you have eye involvement (rash near the eye, eye pain, redness, vision changes), seek urgent care immediately
Seek urgent care if fever, rapidly spreading rash, severe weakness, or uncontrolled pain occurs
After recovery, ask about shingles vaccination to reduce future risk