SPL Set ID: 7fb99e0c-10f6-2924-7940-84e52e7e2a36
1 drug(s) with this SPL Set ID
Doxycycline capsules 40 mg are hard gelatin capsule shells filled with 33.25 mg immediate release and 6.75 mg delayed release minitablets that together provide a dose of 40 mg of doxycycline. The structural formula of doxycycline, USP is: with a molecular formula of C 22 H 24 N 2 O 8 •H 2 O and a molecular weight of 462.45; 444.43 (anhydrous). The chemical designation for doxycycline is 4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide monohydrate (USP). It is very slightly soluble in water. Doxycycline capsules are supplied in 40 mg strength for oral administration containing doxycycline as the active ingredient and the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, lactose monohydrate, magnesium stearate, methacrylic acid and ethyl acrylate copolymer, methacrylic acid and methyl methacrylate copolymer (1:2), microcrystalline cellulose, talc, and triethyl citrate. FDA approved dissolution test method and specifications differ from USP.