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.
The ability of the skin to heal even after considerable damage has occurred is due to the presence of stem cells in the dermis and cells in the stratum basale of the epidermis, all of which can generate new tissue.