Calcium Gluconate Does Not Cause Fever
Intravenous calcium gluconate does not cause fever as a recognized adverse effect. Fever is not listed among the documented complications of calcium gluconate administration in either FDA labeling or clinical guidelines.
Known Adverse Effects of IV Calcium Gluconate
The FDA drug label and clinical guidelines clearly delineate the actual risks associated with calcium gluconate administration 1:
Cardiovascular Complications
- Rapid infusion risks: Hypotension, bradycardia, cardiac arrhythmias, syncope, and cardiac arrest can occur with rapid administration 1
- Rate limits: Do not exceed 200 mg/minute in adults or 100 mg/minute in pediatric patients 1
- Cardiac glycoside interaction: Increased risk of digoxin toxicity and arrhythmias when administered with cardiac glycosides 1
Local Tissue Complications
- Calcinosis cutis: Abnormal dermal calcium deposits presenting as papules, plaques, or nodules with erythema, swelling, or induration 1
- Tissue necrosis: Can occur with or without extravasation, potentially leading to ulceration and secondary infection 1, 2, 3, 4, 5
- Extravasation injury: Particularly serious in neonates and pediatric patients, though less severe than with calcium chloride 3, 6
Other Documented Effects
- Aluminum toxicity: Prolonged administration in patients with renal impairment, particularly premature neonates 1
- Electrolyte disturbances: Hypercalcemia, hypokalemia (when used with insulin) 7
Clinical Context
Multiple clinical guidelines addressing calcium gluconate use in diverse settings—including hypocalcemia management 8, tumor lysis syndrome 7, calcium channel blocker toxicity 9, hyperkalemia 10, and pediatric emergencies 11—do not identify fever as an adverse effect.
Important caveat: If a patient develops fever after calcium gluconate administration, investigate alternative causes such as:
- Underlying infection (the indication for monitoring may coincide with infectious processes)
- Drug fever from other medications
- The primary condition being treated
- Tissue necrosis or secondary infection from extravasation 1
The absence of fever in comprehensive safety profiles across FDA labeling and multiple clinical guidelines strongly indicates that calcium gluconate itself does not cause fever.