Sepsis Management Guidelines

Antimicrobial Therapy

Administer IV broad-spectrum antimicrobials within one hour of sepsis recognition—each hour of delay decreases survival by approximately 7.6% 1
Reassess antimicrobial therapy daily for potential de-escalation once culture results and clinical response are available, as recommended by the Society of Critical Care Medicine 2
Use procalcitonin levels to support shortening antimicrobial duration or discontinuing empiric antibiotics in patients with limited clinical evidence of infection, based on guidelines from the Infectious Diseases Society of America 2
Administer adequate dosages intravenously; if IV access is delayed in children, give first doses intramuscularly, orally, or rectally, according to the American Academy of Pediatrics 1

Hemodynamic Resuscitation

Use crystalloids (either balanced crystalloids or normal saline) as the initial fluid of choice for resuscitation, as recommended by the Society of Critical Care Medicine 2
Continue fluid administration as long as hemodynamic factors improve based on dynamic (pulse pressure variation, stroke volume variation) or static (arterial pressure, heart rate, capillary refill, skin mottling) variables, according to the European Society of Intensive Care Medicine 2
Consider albumin when patients require substantial amounts of crystalloids, based on guidelines from the American College of Chest Physicians 2
Never use hydroxyethyl starches—they are contraindicated in sepsis, as stated by the Society of Critical Care Medicine 2

Vasopressor Therapy

Initiate vasopressors for persistent hypotension despite adequate fluid resuscitation, targeting mean arterial pressure (MAP) ≥65 mmHg, as recommended by the American College of Cardiology 3
Administer positive inotropes when cardiac failure persists (low cardiac index and mixed venous oxygen saturation) despite adequate volume expansion—this occurs in 10-20% of adult sepsis cases, according to the Heart Failure Society of America 3

Corticosteroid Therapy

Consider hydrocortisone or prednisolone for patients requiring catecholamines, particularly those with refractory septic shock not responding to vasopressor therapy, as recommended by the Society of Critical Care Medicine 4

Source Control

Identify and control the infection source within 12 hours when feasible—do not delay surgical intervention or drainage procedures, as stated by the Infectious Diseases Society of America 2
Use the least physiologically invasive effective intervention (e.g., percutaneous drainage rather than surgical drainage of an abscess), according to the Society of Critical Care Medicine 2
Remove intravascular access devices promptly after establishing alternative vascular access if they are a possible infection source, based on guidelines from the Centers for Disease Control and Prevention 2

Respiratory Support

Administer oxygen to achieve saturation ≥90% and position patients semi-recumbent or laterally, as recommended by the American Thoracic Society 4
Use non-invasive ventilation for increased work of breathing or hypoxemia despite oxygen therapy, according to the European Respiratory Society 4
For mechanically ventilated patients with sepsis-induced ARDS, use lower tidal volumes (6 mL/kg ideal body weight) and limit plateau pressures to ≤30 cmH₂O, as recommended by the American Thoracic Society 1

Metabolic and Supportive Management

Target hemoglobin between 8-9 g/dL for acute anemia, adjusting based on clinical tolerance and central venous oxygen saturation, according to the American College of Chest Physicians 3
Provide pharmacological or mechanical deep vein thrombosis prophylaxis, as recommended by the American College of Chest Physicians 4
Resume oral food intake after resuscitation and regaining of consciousness, according to the American Society for Parenteral and Enteral Nutrition 4
Initiate early mobilization and active weaning of invasive support, as recommended by the Society of Critical Care Medicine 4

Sepsis Management Guidelines

Introduction to Sepsis Screening and Management

The American College of Emergency Physicians and other societies recommend immediate initiation of the Hour-1 Bundle when sepsis is suspected, regardless of qSOFA score, as qSOFA has poor sensitivity (31-50%) and should not delay treatment 5
qSOFA is a bedside screening tool, not a diagnostic criterion for sepsis, and identifies patients at risk using three simple criteria: altered mental status, systolic blood pressure ≤100 mmHg, and respiratory rate ≥22/min 6

Understanding qSOFA's Role and Limitations

A positive qSOFA (≥2 criteria) warrants formal SOFA score assessment to diagnose sepsis, defined as infection plus SOFA score increase ≥2 points 6, 7

The Hour-1 Bundle: Five Critical Actions

The Surviving Sepsis Campaign recommends measuring lactate immediately and remeasuring within 2-4 hours to guide resuscitation if elevated (≥2 mmol/L), with a target of lactate normalization as a marker of tissue hypoperfusion resolution 5, 8, 9
The Infectious Diseases Society of America recommends obtaining at least two sets of blood cultures (aerobic and anaerobic bottles) before administering broad-spectrum antibiotics, which should be given within the first hour of sepsis recognition 5, 8, 9, 10
The Society of Critical Care Medicine recommends rapid fluid resuscitation with 30 mL/kg crystalloid bolus for hypotension or lactate ≥4 mmol/L, infused rapidly over 5-10 minutes, titrating to clinical response 5, 11
The American College of Emergency Physicians recommends initiating vasopressors for persistent hypotension, with norepinephrine as the first-line vasopressor agent, targeting a mean arterial pressure (MAP) ≥65-70 mmHg 5, 7

Additional Critical Management Steps

The Surviving Sepsis Campaign recommends identifying and controlling the infection source within 12 hours when feasible, with surgical intervention or drainage procedures not delayed 9
The Society of Critical Care Medicine recommends frequent reassessment of vital signs, capillary refill, skin mottling, mental status, and urine output, with dynamic assessment of fluid responsiveness rather than relying on static measurements 5

Sepsis Management Guidelines

Immediate Recognition and Risk Stratification

The National Institute for Health and Care Excellence recommends using the NEWS2 score to rapidly assess severity, with a score ≥7 indicating high risk requiring immediate intervention, 5-6 indicating moderate risk, and any score warranting concern given sepsis can deteriorate rapidly 12
The American College of Emergency Physicians suggests stabilizing airway, breathing, and circulation as the immediate priority before any diagnostic workup 13

The Hour-1 Bundle: Five Critical Actions

The Society of Critical Care Medicine recommends drawing at least two sets of blood cultures (aerobic and anaerobic) before starting antibiotics, but do not delay antibiotics beyond 45 minutes if cultures cannot be obtained quickly 14
The Surviving Sepsis Campaign suggests administering 30 mL/kg IV crystalloid bolus rapidly for hypotension or lactate ≥4 mmol/L, and using either balanced crystalloids or normal saline as the initial fluid of choice 15
The European Society of Intensive Care Medicine recommends starting vasopressors if hypotension persists despite adequate fluid resuscitation, targeting mean arterial pressure (MAP) ≥65 mmHg, and using norepinephrine as the first-line vasopressor agent 15

Source Control

The Infectious Diseases Society of America suggests identifying and controlling the infection source within 12 hours when feasible, and using the least invasive effective intervention (percutaneous drainage rather than open surgery when possible) 15

Ongoing Monitoring and Reassessment

The American College of Chest Physicians recommends reassessing hemodynamic status frequently after initial fluid bolus, looking at capillary refill, skin temperature, mental status, urine output (target >0.5 mL/kg/hour), and lactate clearance 13

Sepsis Management Guidelines

Recognition and Initial Management

The Surviving Sepsis Campaign recommends that all patients with suspected sepsis or septic shock require immediate IV antibiotic administration within 1 hour of recognition, regardless of severity markers or diagnostic certainty 16, 17
Patients with signs of tissue hypoperfusion, such as mottled skin, delayed capillary refill, or decreased urine output, should receive immediate attention 17
The Society of Critical Care Medicine recommends obtaining blood cultures, but never delaying antibiotics beyond 45 minutes waiting for cultures 16, 17
The European Society of Intensive Care Medicine suggests starting vasopressors, such as norepinephrine, if hypotension persists despite fluid resuscitation, targeting MAP ≥65 mmHg 16

Specific Clinical Scenarios

The American College of Chest Physicians defines septic shock as sepsis with persistent hypotension requiring vasopressors to maintain MAP ≥65 mmHg and lactate >2 mmol/L despite adequate fluid resuscitation, with antibiotic timing recommended within 1 hour (grade 1B recommendation) 16
The Infectious Diseases Society of America recommends antibiotic timing within 1 hour for severe sepsis without shock (grade 1C recommendation) 16
The Society of Critical Care Medicine suggests that the same urgency applies to severe sepsis without shock, and antibiotics should not be delayed 16, 17

Empiric Antibiotic Selection and Management

The Infectious Diseases Society of America recommends that initial therapy must cover all likely pathogens with adequate tissue penetration to the presumed source 16, 17
The European Society of Clinical Microbiology and Infectious Diseases suggests using procalcitonin levels to assist in discontinuing empiric antibiotics in patients with no subsequent evidence of infection (grade 2C) 16
The Society of Critical Care Medicine recommends reassessing antibiotic regimen daily for de-escalation once culture and susceptibility results are available (grade 1B) 16, 17

Sepsis Management Guideline

Initial Assessment and Intervention

The American College of Physicians recommends measuring lactate level immediately upon sepsis recognition, and target lactate normalization (<2 mmol/L) as a marker of adequate tissue perfusion, but notes that lactate should not be used to diagnose sepsis during active labor, as it physiologically elevates in laboring patients 18
For patients with possible septic shock or high likelihood of sepsis, the Mayo Clinic recommends targeting antibiotic administration within 1 hour, and patients with low likelihood of infection and absence of shock may have antibiotics deferred with close monitoring 18
The Mayo Clinic also suggests considering hydrocortisone 200 mg/day for patients with refractory septic shock not responding to vasopressor therapy after at least 4 hours of norepinephrine or epinephrine at 0.25 µg/kg/min 18
Avoid inadequate initial fluid resuscitation, but also monitor for fluid overload and pulmonary edema, as recommended by the Mayo Clinic 18

Initial Management of Sepsis in Adults – Key Evidence‑Based Recommendations

Blood‑Culture Acquisition

Obtain at least two sets of blood cultures (aerobic and anaerobic) before starting antibiotics; draw one set percutaneously and a second set through any existing vascular access device that has been in place >48 h. – Surviving Sepsis Campaign (SSC) [19]

Lactate‑Guided Resuscitation

Aim for lactate normalization (< 2 mmol/L) as an indicator of adequate tissue perfusion after initial resuscitation. – SSC [19]

Early Broad‑Spectrum Antibiotic Therapy

Administer IV broad‑spectrum antibiotics within 60 minutes of sepsis recognition – a strong recommendation with moderate‑quality evidence. – SSC [19, 20]
Empiric regimens must cover all likely pathogens (bacterial, and when appropriate fungal or viral) and achieve adequate tissue penetration at the presumed infection source. – SSC [19, 20]
In patients without known drug allergies and without recent culture data, start an extended‑spectrum β‑lactam (e.g., piperacillin‑tazobactam, cefepime, or a carbapenem). – SSC [20]
If IV access is unavailable, use intra‑osseous or intramuscular administration of first‑line β‑lactams rather than delaying therapy. – SSC [20]

Combination Antimicrobial Therapy in High‑Risk Situations

Add an aminoglycoside or fluoroquinolone to the primary β‑lactam regimen for:

Hemodynamic Targets and Fluid Resuscitation

Target a mean arterial pressure (MAP) ≥ 65 mmHg during initial resuscitation. – SSC [19]

Vasopressor Initiation and Vascular Access

When hypotension persists after adequate fluid resuscitation, start norepinephrine as the first‑line vasopressor and do not delay initiation while obtaining additional vascular access ports if needed. – SSC [20]

Daily Antimicrobial Reassessment and De‑Escalation

Reassess antimicrobial therapy daily once culture results and clinical response are available, with the goal of de‑escalation. – SSC [19, 20]
Narrow to the most appropriate single agent as soon as susceptibility profiles are known. – SSC [19, 20]
Discontinue combination therapy within 3–5 days if the patient shows clinical improvement. – SSC [19]
Use procalcitonin levels to support stopping empiric antibiotics in patients with no subsequent evidence of infection. – SSC [19]

Preference for Combination Over Monotherapy in Septic Shock

Combination antimicrobial therapy improves outcomes compared with monotherapy in septic shock until pathogen susceptibilities are identified. – SSC [19]

Initial Management of Suspected Sepsis (Cited Evidence)

Risk Stratification with NEWS2

Early Diagnostic Measures

Antibiotic Administration

Fluid Resuscitation

Vasopressor Therapy

Hemoglobin Management

Thrombosis Prophylaxis

Immediate Management of Sepsis: Evidence‑Based Recommendations

Timing of Antibiotic Administration

Blood‑Culture Collection

Lactate Monitoring

Empiric Antibiotic Selection

Community‑Acquired Sepsis without Specific Risk Factors

Septic Shock, Neutropenia, or High Risk for Multidrug‑Resistant Organisms

Suspected Streptococcus pneumoniae Bacteremia with Shock

Fluid Resuscitation

Vasopressor Initiation

Antimicrobial De‑escalation

Duration of Combination Therapy

Transition to Targeted Monotherapy

Total Course Length

Procalcitonin‑Guided Therapy

Source‑Control Timing

Safety Considerations

All statements are supported by the cited peer‑reviewed evidence.

Management of Rigors Indicative of Sepsis and Septic Shock

Immediate Recognition and Hemodynamic Assessment

Rigors signal systemic infection with a high risk of sepsis; clinicians should promptly evaluate for tissue hypoperfusion using criteria such as altered mental status, systolic blood pressure ≤ 100 mmHg, respiratory rate ≥ 22 /min, mottled skin, delayed capillary refill (> 3 s), oliguria, and elevated lactate. These findings define septic shock when infection is confirmed, vasopressors are required to maintain MAP ≥ 65 mmHg despite adequate fluid resuscitation, and lactate remains ≥ 2 mmol/L. 29
External warming with blankets may relieve shivering but should be avoided if it could mask fever, which remains an important clinical marker of infection. 29

Hour‑1 Sepsis Bundle

Blood Cultures

Obtain at least two sets of blood cultures (one from a peripheral site and one from any indwelling vascular device > 48 h) before initiating antibiotics, but never postpone antimicrobial therapy for more than 45 minutes while awaiting cultures.

Lactate Measurement

Measure serum lactate immediately; if the initial value is ≥ 2 mmol/L, repeat the measurement every 2–4 hours until it normalizes (< 2 mmol/L), using the trend to guide resuscitation adequacy.

Empiric Broad‑Spectrum Antibiotics

Initiate an extended‑spectrum β‑lactam (e.g., piperacillin‑tazobactam, cefepime, or meropenem) within 60 minutes of sepsis recognition. Each hour of delay is associated with a 7–8 % increase in mortality.
For patients with septic shock, neutropenia, or suspected multidrug‑resistant organisms, add an aminoglycoside or fluoroquinolone for the first 3–5 days to ensure coverage of resistant pathogens.
When pneumococcal bacteremia with shock is suspected, add a macrolide to the β‑lactam regimen.
In β‑lactam‑allergic patients, use a fluoroquinolone plus metronidazole as an alternative regimen.
Antibiotic selection must reflect local resistance patterns, recent antimicrobial exposure (within the past 3 months), and the presumed infection source. 30

Aggressive Fluid Resuscitation (First 3 Hours)

Administer 30 mL/kg of isotonic crystalloid (normal saline or balanced solution) rapidly over 5–10 minutes for hypotension or lactate ≥ 4 mmol/L. In pediatric patients, give an initial 20 mL/kg bolus, with the possibility of up to 40–60 mL/kg in the first hour of care. [31][32]33
After the initial 2 L, guide further fluid therapy using dynamic indices (e.g., pulse‑pressure variation, stroke‑volume variation) or bedside echocardiography rather than static measurements.
Albumin may be considered when large volumes of crystalloids are required.
Hydroxyethyl starches, hypotonic crystalloids, and gelatin solutions should be avoided because they increase acute kidney injury and mortality.

Vasopressor Initiation

If MAP remains < 65 mmHg after adequate fluid resuscitation, start norepinephrine as the first‑line vasopressor, targeting MAP ≥ 65 mmHg (70–85 mmHg in patients with chronic hypertension). Peripheral IV administration is acceptable while central access is being obtained. [31][32]33
Add vasopressin (0.03 U/min) when additional MAP support is needed or to reduce norepinephrine dose; it should not be used as the sole initial agent.
Epinephrine may be added if norepinephrine alone is insufficient.
Dopamine should be avoided because it increases arrhythmias and worsens outcomes.

Adjunctive and Supportive Measures

Maintain hemoglobin between 7–9 g/dL unless there is evidence of tissue hypoperfusion, active myocardial ischemia, or acute hemorrhage.
Provide pharmacologic or mechanical prophylaxis for deep‑vein thrombosis unless contraindicated.
Offer stress‑ulcer prophylaxis (H₂‑blocker or proton‑pump inhibitor) for patients with bleeding risk factors.
Implement tight glucose control and measures to prevent stress‑related gastrointestinal bleeding. [31][32]

Source Control (Within 12 Hours)

Identify and control the infection source as soon as feasible, ideally within 12 hours. This includes a thorough physical examination, targeted imaging (X‑ray, ultrasound, CT) to answer specific diagnostic questions, and prompt drainage or debridement of infected collections—preferring percutaneous techniques over open surgery when appropriate.
Remove any intravascular devices that may serve as infection sources after establishing alternative access. 34

Antimicrobial Stewardship

Reassess antimicrobial therapy daily once culture results and clinical response are available, narrowing to the most appropriate single agent based on susceptibility data within 3–5 days.
Discontinue combination therapy after 3–5 days if the patient shows clinical improvement.
A typical total antibiotic course is 7–10 days for most infections with adequate source control; extend beyond 10 days only for slow responders, persistent fever, undrainable foci, documented Staphylococcus aureus bacteremia, or immunocompromised status.
Procalcitonin levels can support discontinuation of empiric antibiotics when no subsequent evidence of infection is present. 30

Corticosteroid Use

Routine corticosteroids are not recommended. Reserve hydrocortisone 200 mg/day for patients with refractory septic shock who remain hypotensive despite adequate fluid resuscitation and vasopressor therapy. 33