etidronate: Inorganic compound. Accumulates in bone tissue. Not metabolised. calcium: Inorganic ion. Not metabolised.

(To be edited, initial data ST OCT 04) etidronate:Bisphosphonate which is an analogue to naturally occuring pyrophosphate. Absorbed to bone it counteracts osteoporosis. calcium: Inorganic ion. etidronate: South African list: use with care. French list: authorized.