Calcium   Uses of this Supplement Depression Hypercholesterolemia Hypertension Insomnia Menopause Osteoporosis Preeclampsia Premenstrual Syndrome (PMS)   Supplements with Similar Uses View List by Use   Drugs that Interact Summary Alendronate Aluminum Hydroxide Aluminum Hydroxide-containing Medications Amiloride Amiloride-containing Medications Atenolol Atenolol-containing Medications Digoxin Estradiol-containing Medications Estrogens Gentamicin Gentamicin-containing Medications Progestins Quinolone Antibiotics Tetracycline Derivatives Tetracycline-containing Medications Thiazide Diuretics Verapamil Verapamil-containing Medications   Drugs that Deplete this Substance View List   Supplements with Similar Side Effects View List by Side Effect   Supplements with Similar Warnings View List by Warning   Learn More About Nutrition	Look Up > Supplements > Calcium > Warnings Supplements with Similar Warnings as Calcium Below is a list of conditions where patients are warned against taking this supplement. Under each condition is listed other supplements with similar warnings.   renal insufficiency Potassium