Does the red, dry, bumpy spot on the back of my 3 month old sons head need attention? I noticed a red circle about the size f of a quarter on the back of my 3 month olds head after his 2 month check up. It stays dry, and it it raised a bit and it's seems

Difficult . Difficult to tell without a clinical examination, but possibilities include ringworm of the scalp, eczema, psoriasis, and other...I would recommend you see a dermatologist for evaluation. Read more about these possibilities at the link below. I hope that helps!