The present invention is a solid dosage form of a metal complex of a tetracycline of Formula (I) for pharmaceutical administration, wherein R<;SUB>;1<;/SUB>;=Cl, N(CH<;SUB>;3<;/SUB>;)<;SUB>;2<;/SUB>;, or H; R<;SUB>;2<;/SUB>;=CH<;SUB>;3<;/SUB>;, H, or CH<;SUB>;2<;/SUB>;-; R<;SUB>;3<;/SUB>;=CH<;SUB>;3<;/SUB>;, H, OH, or absent; and R<;SUB>;4<;/SUB>;=OH or H, with the proviso that if R<;SUB>;2 <;/SUB>;is CH<;SUB>;3 <;/SUB>;and R<;SUB>;3 <;/SUB>;is H, then R<;SUB>;4 <;/SUB>;is not OH.