  sepsis () is whole-body inflammation caused by an infection. common signs and symptoms include fever, increased heart rate, increased breathing rate, and confusion. there may also be symptoms related to a specific infection such as a cough with pneumonia or burning with urination with a kidney infection.<!-- --> in the very young, old, and people with a weakened immune system, there may be no symptoms of a specific infection and the body temperature may be low or normal rather than high. severe sepsis is sepsis causing poor organ function or insufficient blood flow.<!-- --> insufficient blood flow may be evident by low blood pressure, high blood lactate, or low urine output.<!-- --> septic shock is low blood pressure due to sepsis that does not improve after reasonable amounts of intravenous fluids are given.{{cite journal |last1= surviving sepsis campaign guidelines committee including the pediatric subgroup |last2= dellinger |first2= rp |last3= levy |first3= mm |last4= rhodes |first4= a |last5= annane |first5= d |last6= gerlach |first6= h |last7= opal |first7= sm |last8= sevransky |first8= je |last9= sprung |first9= cl |last10= douglas |first10= is |last11= jaeschke |first11= r |last12= osborn |first12= tm |last13= nunnally |first13= me |last14= townsend |first14= sr |last15= reinhart |first15= k |last16= kleinpell |first16= rm |last17= angus |first17= dc |last18= deutschman |first18= cs |last19= machado|first19= fr |last20= rubenfeld |first20= gd |last21= webb |first21= s |last22= beale |first22= 
Infectious_diseases Intensive_care_medicine Medical_emergencies Neonatology Sepsis