L.,
My 21 month old is covered in eczema. We've known he's allergic to dairy and soy since he was tiny but the eczema is new and appears to be an environmental allergy. Grrrr. By evening he's hot, sweaty and itchy. I just had my follow up appointment with the allergist/immunologist and she said to bathe him in tepid water once or twice a day and then absolutely slather him with cream (aquaphor, cetaphil or eucerine CREAM not lotion). Use the hydrocortisone only on really inflamed patches and sparingly. I've been giving him oatmeal baths (you can buy it in pharmacies or your can grind you own - so far I've been buying it but I'm going to try grinding some this weekend because the prepackaged stuff is pricey). And you want to leave them in the water as long as possible - preferably until they start to look "prune-ie". When you get them out of the bath, rinse them with clear water and then pat dry. Use only dove sensitive skin soap (I've been using California Baby Sensitive Wash and that is good too especially as a shampoo because dove burns when you get it in your eyes- order on line or get it from Whole Foods) and no wash cloth, sponge or net sponge things.
She said the main thing to know is that eczema is an itch that rashes, not a rash that itches. So you have to treat the itching to prevent the rashes. She said it is also really important to keep the skin clean because otherwise the scratching pushes bacteria into the skin and can cause infections.
We've been using the oatmeal baths, hydrocortisone (very little hydrocortisone, I don't like using steroids on my child) and aquaphor for about a week and I'm seeing dramatic improvement. He's still itchy but not nearly as bad. I also use Caladryl (get it in pharmacies - it is like the pink calamine lotion only clear and doesn't stain) in between baths to help with the itching.
The main thing the doctor said is that treating eczema is mainly a maintence issue. You've got to do lots of skin care and you need to do it frequently - like several times a day. You've got to keep the itching under control to keep the eczema under control.
Good luck. Eczema is a real pain to deal with. What the doctor told me is contrary to what other people with kids with eczema have told me but so far it is working. She said in the heat like this, it is better to bath frequently because being sweaty makes you itchier.
I hope some of that helps,
:-)T.
P.S. One last thought, the doctor said to use creams, not lotion because lotions are 97% water and most of it evaporates where creams stay on the skin longer and better.