Cal-GLU Side Effects
Generic Name: calcium gluconate
Note: This document contains side effect information about calcium gluconate. Some of the dosage forms listed on this page may not apply to the brand name Cal-GLU.
Some side effects of Cal-GLU may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
For the Consumer
Applies to calcium gluconate: oral tablet
Get emergency medical help if you have any of these signs of an allergic reaction while taking calcium gluconate (the active ingredient contained in Cal-GLU) hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Less serious side effects of calcium gluconate may include:
nausea or vomiting;
dry mouth or increased thirst; or
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
For Healthcare Professionals
Applies to calcium gluconate: compounding powder, injectable solution, oral tablet
Local side effects have included cutaneous calcinosis, or areas of inflammation, and subdermal hemorrhage. Extravasation of calcium gluconate (the active ingredient contained in Cal-GLU) can cause cellulitis.
Gastrointestinal side effects have included nausea during infusion. They have rarely included gastric lesions and inducement of intestinal hemorrhage.
Of five infants who received 10% calcium gluconate via an umbilical artery catheter, all five developed superficial and deep skin necrosis and clinically significant intestinal bleeding.
Psychiatric side effects have been reported rarely. They have included a single case of mania possibly associated with changes in cerebrospinal fluid and serum calcium following calcium gluconate (the active ingredient contained in Cal-GLU) administration.
A 35-year-old woman with an organic mental disorder associated with hypocalcemia and hypomagnesemia (secondary to short bowel syndrome) became noncompliant with her intramuscular injections of magnesium (Mg). Upon evaluation for progressive confusion and dysphoria, her serum Mg and calcium were found to be 0.3 mEq/L and 7.1 mg/dl, respectively. Intravenous Mg sulfate and calcium gluconate (6,000 mg) were given, with subsequent clearing of her sensorium. Within 12 hours the patient became manic and grandiose; associated Mg and calcium levels were 1.4 mEq/L and 8.2 mg/L, respectively. The symptoms of mania resolved without psychotropic medications and with discontinuation of calcium gluconate. This case report and other limited data suggest that mania can be precipitated by the rapid intravenous administration of calcium gluconate, particularly in persons who are predisposed to affective disorders.
Genitourinary side effects have rarely included calcium nephrolithiasis. This effect has been reported more commonly with coadministration of loop diuretics.
A 51-year-old man with no history of cardiac disease was referred for calcium gluconate (the active ingredient contained in Cal-GLU) pentagastrin testing for early detection of medullary thyroid carcinoma. He became pulseless and hypotensive within 15 seconds after receiving calcium gluconate 2 mg/kg and pentagastrin 0.5 mcg/kg. Atrial fibrillation and a ventricular rate response of 110/min ensued after a precordial thump. A complete evaluation for the cause of his atrial fibrillation was negative.
Cardiovascular side effects have included peripheral vasodilation, hypotension, syncope, vasospastic angina, serious cardiac arrhythmias, AV dissociation, and shock. Extreme caution is advised when parenteral calcium is given to a patient who has received digitalis since calcium may unmask digitalis intoxication. A single case of new atrial fibrillation has been reported.
Renal side effects have included significant increases in renal plasma flow, glomerular filtration rate, diuresis, natriuresis, and prostaglandin E2 and F1-alpha levels. However, the renal side effects do not appear to be clinically significant.
The renal effects of calcium gluconate include significant increases in renal plasma flow, glomerular filtration rate, diuresis, natriuresis, and prostaglandin E2 and F1-alpha levels. Data indicate that calcium gluconate infusions at subpressor doses have renal vasodilating, diuretic and natriuretic properties that appear to be facilitated by an increase in the renal production of prostaglandins.
Nervous system side effects have included tingling sensations, a "chalky" taste and a sense of oppression or "heat wave."
More about Cal-GLU (calcium gluconate)
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