Calcium Gluconate Infusion Does Not Typically Cause Chills and Shivering
Chills and shivering are not recognized adverse effects of intravenous calcium gluconate infusion. The FDA-approved prescribing information for calcium gluconate injection does not list chills or shivering as adverse reactions 1. The primary concerns with calcium gluconate administration relate to cardiac effects (arrhythmias, bradycardia, hypotension with rapid infusion), tissue necrosis from extravasation, and aluminum toxicity with prolonged use 1.
Key Safety Considerations for Calcium Gluconate Administration
The documented adverse effects of calcium gluconate infusion are:
Cardiovascular effects: Rapid administration can cause hypotension, bradycardia, cardiac arrhythmias, syncope, and cardiac arrest. The infusion rate should not exceed 200 mg/minute in adults or 100 mg/minute in pediatric patients, with ECG monitoring during administration 1
Local tissue injury: Extravasation can cause calcinosis cutis and tissue necrosis. Administration requires a secure intravenous line, preferably central venous access 2, 1
Drug interactions: Concomitant use with cardiac glycosides increases digoxin toxicity risk. Mixing with ceftriaxone is contraindicated in neonates due to fatal precipitate formation 1
Distinguishing Infusion Reactions from Other Medications
When chills and shivering occur during infusions, they are typically associated with:
Monoclonal antibodies: Rituximab (77% incidence of infusion reactions including fever and chills), ofatumumab (61% incidence with chills and rigors), and various immunotherapy agents commonly cause these symptoms 3
Cold intravenous fluids: Room-temperature IV fluids can cause shivering, particularly in parturients undergoing epidural anesthesia (64% shivering rate with room-temperature fluids versus 14% with warmed fluids) 4
Clinical Implications
If a patient experiences chills or shivering during calcium gluconate infusion:
Consider alternative causes: Evaluate for concurrent medications (particularly monoclonal antibodies or other biologics), cold IV fluid administration, or underlying infection/sepsis
Assess infusion rate: While not causing chills directly, excessively rapid calcium infusion can cause vasodilation and hemodynamic changes that might be misinterpreted 1
Monitor for true adverse effects: Focus on cardiac monitoring (bradycardia, arrhythmias), blood pressure changes, and signs of extravasation rather than attributing chills to the calcium itself 1
The evidence consistently demonstrates that calcium gluconate's adverse effect profile centers on cardiovascular and local tissue complications, not systemic inflammatory or temperature-regulatory responses that would manifest as chills and shivering 1.