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Minocycline hydrochloride, a semi synthetic derivative of tetracycline, is [4S (4α,4aα,5aα,12aα)]-4,7-Bis(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,10,12,12a-tetrahydroxy-1,11-dioxo-2-naphthacenecarboxamide mono hydrochloride. The structural formula is represented below:

C₂₃H₂₇N₃O₇•HCl.........................M. W. 493.95

SOLODYN® Tablets for oral administration contain minocycline hydrochloride USP equivalent to 45 mg, 65 mg, 90 mg, 115 mg or 135 mg of minocycline. In addition, 45 mg, 65 mg, 90 mg, 115 mg, and 135 mg tablets contain the following inactive ingredients: lactose monohydrate NF, hypromellose type 2910 USP, magnesium stearate NF, colloidal silicon dioxide NF, and carnauba wax NF. The 45 mg tablets also contain Opadry II Gray which contains: lactose monohydrate NF, hypromellose type 2910 USP, titanium dioxide USP, triacetin USP, and iron oxide black JPE. The 65 mg tablets also contain Opadry II Blue which contains: hypromellose type 2910 USP, lactose monohydrate NF, FD&C Blue #1, polyethylene glycol 3350 NF, FD&C Blue #2, titanium dioxide USP, triacetin USP, and D&C Yellow #10. The 90 mg tablets also contain Opadry II Yellow which contains: hypromellose type 2910 USP, lactose monohydrate NF, titanium dioxide USP, iron oxide yellow NF, polyethylene glycol 3350 NF, and triacetin USP. The 115 mg tablets also contain Opadry II Green which contains: hypromellose type 2910 USP, lactose monohydrate NF, D&C Yellow #10, triacetin USP, FD&C Blue #1, titanium dioxide USP, and FD&C Blue #2. The 135 mg tablets also contain Opadry II Pink which contains: hypromellose type 2910 USP, lactose monohydrate NF, titanium dioxide USP, polyethylene glycol 3350 NF, iron oxide red NF, and triacetin USP.

Last reviewed on RxList: 1/27/2010
This monograph has been modified to include the generic and brand name in many instances.