Cefadroxil (cefadroxil hemihydrate), USP (hemihydrate) is a semisynthetic cephalosporin antibiotic intended
for oral administration. It is white to off-white crystalline powder. It is
slightly soluble in water and it is acid-stable. It is chemically designated
as 5-Thia-1-azabicyclo [4.2.0] oct-2-ene-2-carboxylic acid, 7-[[amino (4-hydroxyphenyl)
acetyl] amino]-3- methyl-8-oxo-, hemihydrate, [6R-[6α, 7β (R*)]]-.
It has the formula C16H17N3O5S•½
H2O and the molecular weight of 372.39. It has the following structural
Each film coated tablet for oral administration contains Cefadroxil (cefadroxil hemihydrate) hemihydrate
equivalent to 1 gram cefadroxil (cefadroxil hemihydrate). In addition, each tablet contains the following
inactive ingredients: croscarmellose sodium, hypromellose, magnesium stearate,
microcrystalline cellulose, monosodium citrate, polyethylene glycol, talc and
Each capsule for oral administration contains Cefadroxil (cefadroxil hemihydrate) hemihydrate equivalent
to 500 mg cefadroxil (cefadroxil hemihydrate). In addition, each capsule contains the following inactive
ingredients: magnesium stearate and pregelatinized starch.
The capsule shell also contains D&C yellow no. 10, FD&C blue no. 1,
FD&C red no. 40, gelatin and titanium dioxide.
The imprinting ink also contains D&C yellow no. 10 aluminum lake, FD&C
blue no. 1 aluminum lake, FD&C blue no. 2 aluminum lake, FD&C red no.
40 aluminum lake, pharmaceutical glaze, propylene glycol and synthetic black
Last reviewed on RxList: 7/31/2007
This monograph has been modified to include the generic and brand name in many instances.