This can lead to shortness of breath, as well as possible chest pain, depending on the cause of the effusion. Fever is another possible finding, but is also related to the cause of the effusion. ... Read more
Re: can benzoyl perioxide permanently damage skin??? Yes, BP can cause a dermatitis (permanent skin damage). I had problems with BP, I used it for the spots, but when I applied it my skin went red (it like burned...)on the spots I had applied the BP. I personally don't like BP at all.
Adding heat to skin increases the vibration of molecules in the skin. Rather than melt a number of things can happen. Heat can denature proteins, causing them to become inactive and form solid clumps of material. It can also ignite materials in your skin causing direct burns.