Treats calcium deficiency (too little calcium in the blood). Also treats black widow spider bites, lead colic, overdose of magnesium or certain heart medicines, and a condition called rickets. This medicine is also used in life support and life-threatening heart conditions.
Your doctor will prescribe your exact dose and tell you how often it will be given. This medicine is given as a shot into a vein. A nurse or other trained health professional will give you this medicine.