Boil A boil is a painful, pus-filled bump under your skin â the result of a bacterial infection of one or more hair follicles. Carbuncle. Carbuncle A carbuncle is a cluster of boils â painful, pus-filled bumps â that form a connected area of infection under the skin.
Blood cultures are used to detect the presence of bacteria or fungi in the blood, to identify the type present, and to guide treatment. Testing is used to identify a blood infection (septicemia) that can lead to sepsis, a serious and life-threatening complication.
Bacteriuria - this refers to the presence of bacteria in the urine. This may be symptomatic or asymptomatic. Asymptomatic bacteriuria should be confirmed by two consecutive urine samples. Urinary tract infection (UTI) - this implies the presence of characteristic symptoms and significant bacteriuria from kidneys to bladder. Many laboratories regard 105 colony-forming units per millilitre (cfu/ml) as the threshold for diagnosing significant bacteriuria.