Most Delmarva medicine cabinets have both calamine lotion and hydrocortisone cream, but they do different work. Using the wrong one won't hurt you, but it won't help much either. A quick way to think about it: calamine is for weeping, oozing irritation; hydrocortisone is for inflamed, itchy skin that is still dry.
What it looks and feels like
- Calamine: best for oozing blisters, poison ivy weeping, and insect bites that have been scratched open. It dries and cools.
- Hydrocortisone: best for raised, red, itchy patches that are dry - hives, eczema flare-ups, and non-weeping bites.
- Neither will stop anaphylaxis, deep infection, or a spreading Lyme rash - those need a clinician.
What to do right now
- For weeping poison ivy or scratched bites: calamine two or three times a day. Do not use it on large areas or broken skin.
- For dry, inflamed patches: 1% hydrocortisone, thin layer, one to three times daily for up to seven days.
- Do not use hydrocortisone on open wounds, fungal rashes, or undiagnosed widespread rashes - it can mask symptoms or worsen infection.
- You can alternate them on the same spot: calamine during the weeping phase, then hydrocortisone once it dries and itches.
- For kids under two: skip both unless a pediatrician says otherwise; use oatmeal baths and cool compresses instead.
Local note
On the Peninsula, March is when folks start yard work and hit early poison ivy vines. The first rash of spring is often weeping, so calamine gets the early call. By the time tick bites show up in April, hydrocortisone is usually the better choice.
Dry itch gets the cream, wet itch gets the pink stuff. See you in April.
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