Etidronic acid

Etidronic acid
Clinical data
License data	US FDA: Etidronate+disodium;
Routes of; administration	Oral, intravenous
ATC code	M05BA01 (WHO) M05BB01 (WHO);
Legal status
Legal status	In general: ℞ (Prescription only);
Pharmacokinetic data
Bioavailability	3%
Metabolism	Nil
Elimination half-life	1 to 6 hours
Excretion	Renal and fecal
Identifiers
	IUPAC name (1-hydroxy-1-phosphono-ethyl)phosphonic acid;
CAS Number	7414-83-7;
PubChem CID	3305;
DrugBank	APRD00964;
CompTox Dashboard (EPA)	DTXSID6023028 ;
ECHA InfoCard	100.018.684
Chemical and physical data
Formula	C2H8O7P2
Molar mass	206.028 g/mol g·mol−1

Etidronic acid (INN) or etidronate disodium (trade name Didronel®) is a bisphosphonate used to strengthen bone, treat osteoporosis, and treat Paget's disease of bone.

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