My son yesterday woke up with a nasty rash and his face was puffy. I thought it was posion ivy at first but as time went on it looked like a reaction to his sunscreen. We kept his face really clean all day. Kept him inside...it seems to look alot better last night. Well this morning it spread more over his face 
It seems alot dryer but I have no idea????? Here's a pic of my poor cutie. His face isn't swelled anymore and he seems fine. Anyideas?????? What this could be????? I know this isn't Web Md but I trust you guys....(I hope) LOL
thanks ......Lisa
If his symptoms are improving and he's not showing any other symptoms of illness, I would say it's safe to assume that it was a reaction to sunscreen, particularly if it's a new brand. My oldest has very sensitive skin and has had rash after rash her whole life. I finally stopped taking her to the doctor for them, unless she was sick, because there's not much they can do. Since it's Friday, keep a close eye on him, if he seems sick at all, I'd get him to the dr. before the weekend, otherwise, maybe you can call the doctor or pharmacist and ask for suggestions for an ointment or cream to put on it.
There is something in some sunscreens, I'm sorry, I can't remember what it is!! That some people are very allergic to. I had a friend break out from sunscreen a couple years ago. Ask the pharmacist what he/she would recommend for future use.
Looks like Fifths Disease to me, I'm not a doctor but am a nurse who has worked in a pediatricians office. It is a common childhood illness in this age group. I copied this from Yahoo Health.
Symptoms
Early symptoms of fifth disease are similar to the flu. A characteristic rash follows several days later, and some people develop joint pain. Fifth disease can be confused with other conditions with similar symptoms.
Flulike symptoms
Symptoms of fifth disease develop 4 to 20 days after exposure to the virus. Typically, initial symptoms resemble the flu and may be so mild that they are not noticed. Some people with fifth disease do not have any symptoms. Early symptoms include:
Runny nose and sore throat.
Headache and abdominal pain.
Rarely, a mild fever may occur (around 100º).
Vague feeling of body weakness and joint pain.
Rash
About 7 days after the onset of flulike symptoms, a distinctive rash may develop, although not as often in adults as in children. Some people never get a rash.
If a rash develops, usually it follows a predictable pattern with two or three distinct stages:
A bright red rash consisting of fluid-filled lesions develops on the sides of the face (often referred to as a "slapped cheek" appearance) and sometimes on the forehead and chin. This rash usually fades within 2 to 5 days.
Another rash appears on the neck, trunk, forearms, upper legs, and buttocks. This rash starts as round red spots and begins to take on a lacy appearance. It can be itchy, especially in older children. The second stage lasts a week or less.
After the body rash fades, it may reappear following exposure to sunlight, warm temperatures, or stress. This rash lasts an additional 1 to 3 weeks.
Joint pain
Joint paint in the hands, wrists, ankles, and feet commonly occurs in adults, especially in women. The pain usually lasts 1 to 3 weeks; on rare occasions, it can last longer. It usually does not cause permanent damage to the joints.
Complications
In healthy people, fifth disease usually is a mild illness that resolves within a few weeks without further problems. However, people with impaired immune systems or blood disorders, such as sickle cell disease or thalassemia, are at increased risk for developing complications. Fifth disease can also cause problems for the fetus of a pregnant women who is infected.
Fifth Disease is one of those kids things they don't do anything about as it is a virus.
There is also Roseola but I don't know if this is what you son may have. But I will give you the info just in case. My two girls came down with it.
They usually get it after a few days of having a fever, out of nowhere, then they break out. It can cover only some areas, and sometimes it covers them from head to toe.
This is caused by a virus so when my 2nd child had it, I didn't take her to the doctor because I knew what she had. It takes a week for it work itself thru. There is nothing they can do.
They just say that if any fever shows, to give them Motrin.
Here is a linK: http://www.kidshealth.org/parent/infections/bacterial_viral/roseola.html
Did you try giving him some children's liquid Benadryl yet?
My son has gotten a face rash twice now and the liquid benadryl worked really good for him.
I'm not at home right now, otherwise I would tell you which formula I have in my cupboard that I used.
Hey, mOuse I have the liquid Benadryl.
Its Children's Benadryl, dye-free (no color) Allergy. Alcohol and Sugar Free. If child is under 6, ask the pharmacist, but I believe they said that you can give them 1 tsp. Check to make sure.
hmmm, if his cheeks look like they have been slapped and he is acting fine this is a sign of fifths desease. My DD had it at 2 years old and was running crazy and fine with it. After it ran it's course she was fine.
If it does keep re-occuring check your sunblock. My daughter at 2 1/2 had an allergic reaction to her sunblock from the day before. We always used the same kind so I was shocked to learn it was her sunblock she developed an allergy to. I now can only use PABA FREE sunblock on her and keep it in stock. (I use the mary kay brand) Just in case, that's the only kind I keep in the house and use it on my other kids too.
Good luck in finding out what's causing the redness.
Looks just like dry skin to me. Has he been out in the wind/sun this week? I'd just get some cortizone cream & rub him down with it 3 times a day. If it doesn't go away I'd go to the dr. But it looks just like dry skin to me. I used to be a preschool teacher... I've seen that alot. Kids get it on their legs & arms a lot. If it doesn't itch, he's not running fever then that's got to be it~ Take him to doc on Mon. if it hasn't gotten better or gets worse. That will be $100 please 
Just thought I'd come back and say if it's really dry skin to check out eczama. My sons cheeks often get that red look from eczama and I just put some baby avenno on him 2x or more a day. I also use perfume and dye free fabric softener and laundry detergent. I only use Avenno also for their bath time. Usually eczama starts to clear up though when it gets warmer, and normally worsens when it's cold though. Good luck and whatever it is I hope it clears up soon.
Hi, I was also going to say it looks like "slapped cheek " syndrome but there are heaps of harmless viruses around that cause rashes _ all you can really do is dose them up with panadol, lots of fluids & wait it out - believe me, I've had a lot of unexplained rashes with my kids !!!
of course,if it gets worse ,see your doctor 
My DD just got over Fifths Disease. Never felt bad, just started with the rash on the face, which spread all the way down. When they break out in the rash, it is not contagious any more.
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