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Hello, this is Dr. Love.
What question do you have?
Yes, it could be an allergic or heat rash. It is also possible that rubbing the skin could cause some minor trauma to the skin.
If he is not having any other symptoms, it is reasonable to manage it as an allergic reaction to see if it helps. You can give him an antihistamine, such as Benadryl/diphenhydramine.
No, if he is not having any other symptoms, it is not necessary that he be seen urgently.
Yes, you can, and an allergy is one of the possible causes..
Since you have found other information that was worrying you, I wanted to find information that reflects what I told you.
Note that it lists several non-serious causes of a non-blanching rash, including allergies, and it also says that someone should be seen if they have accompanying symptoms.
The picture is not worrisome for meningitis.
It still is not something for which he would need to be seen urgently if he is not having symptoms.
It still is not something for which he would need to be seen urgently if he is not having other symptoms.
These can present many ways, but the most important characteristic of the rash of these conditions is that it persists, while most conditions that are not serious that cause such rashes will resolve relatively quickly.
The location is neither concerning or not concerning.
If he is not having any other symptoms, it is less concerning, which is why I said above that it is reasonable to manage it as an allergy with an antihistamine to see if it helps.
Many things come up quickly.
I have already given you my opinion above, and I have given you a link that supports my opinion..
I understand that you are scared and that is part oif why I wanted to find a link that supported what I had answered, but my answer is not going to change simply because you ask the same question using different words.
You ae very welcome.