Inside, before meals or 1-1.5 hours after taking (squeezed milk).
Doses are determined by the attending physician individually depending on the clinical picture.
Hypoparathyroidism (latent tetany, osteoporosis): adults 1-3 g 2-3 times a day; children 3-4 years old - 1 g; 5-6 years - 1-1.5 g; 7-9 years - 1.5-2 g; 10-14 years - 2-3 g; the frequency of admission is 2-3 times a day.
Violation of the metabolism of the vitamin D: rickets (spasmophilia, osteomalacia), hyperphosphatemia in patients with chronic renal failure: adults 1-3 g 2-3 times a day; children 3-4 years old - 1 g; 5-6 years - 1-1.5 g; 7-9 years - 1.5-2 g; 10-14 years - 2-3 g; the frequency of admission is 2-3 times a day.
The increased need for calcium (pregnancy, lactation, a period of increased body height), insufficient calcium in food, a violation of its metabolism: adults 1-3 g 2-3 times a day; children 3-4 years old - 1 g; 5-6 years - 1-1.5 g; 7-9 years - 1.5-2 g; 10-14 years - 2-3 g; the frequency of admission is 2-3 times a day.
Enhanced excretion of calcium (prolonged bed rest, chronic diarrhea, secondary hypocalcemia, long-term use of diuretics and antiepileptic drugs, glucocorticosteroids): adults 1-3 g 2-3 times a day; children 3-4 years old - 1 g; 5-6 years - 1-1.5 g; 7-9 years - 1.5-2 g; 10-14 years - 2-3 g; the frequency of admission is 2-3 times a day.
Poisoning with magnesium salts, oxalic and fluoric acids and their soluble salts: adults 1-3 g 2-3 times a day; children 3-4 years old - 1 g; 5-6 years - 1-1.5 g; 7-9 years - 1.5-2 g; 10-14 years - 2-3 g; the frequency of admission is 2-3 times a day.
Hyperkalemic form of paroxysmal myoplegia: adults 1-3 g 2-3 times a day; children 3-4 years old - 1 g; 5-6 years - 1-1.5 g; 7-9 years - 1.5-2 g; 10-14 years - 2-3 g; the frequency of admission is 2-3 times a day.