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.
You are at risk for skin cancer. Being in the sun can damage your skin. Sunlight causes damage through ultraviolet, or UV rays, (they make up just one part of sunlight). Two parts of UV, UVA and UVB, can both cause damage to skin.