Pilonidal cyst is a chronic skin infection at the beginning of the crease of your buttock just at the bottom of the tailbone. It occurs with pus with high risk of infection. The infected cysts are painful making sitting and walking difficult. Highly developed pilonidal cyst can rupture, ooze pus or even bleed.
Sebaceous glands in your body produce a natural oil called sebum to maintain your skin moisturized. Production of too much of sebum clogs the pores and cause acne. The area around clogged pores gets swollen and red breakouts appear on the surface of the skin.
Blackheads are like acne. They appear as a result of clogging of pores. The contain oxidized melanin that is why they appear black. Melanin is a pigment that provides darkness to your skin.
Mumps is a contagious viral infection that is common among the children ages between 5 and 15. Adult are also not spared although incidences are reduced as you age. Usually you get affected by mumps only once in lifetime. It is rare, but some people may get it second time.