CLASSIFICATION OF SULPHONAMIDES

(A). PHARMACOLOGICAL CLASSIFICATION:

1.FOR SYSTEMIC USE:

SHORT ACTING: Sulfadiazine.

INTERMEDIATE ACTING: Sulfisoxazole.

LONG ACTING: Sulfamethoxazole.

2.FOR GIT USE:

Sulfasalazine.

3.FOR TOPICAL USE:

Sulfacetamide

(B). CHEMICAL CLASSIFICATION:

1.N₁-SUBSTITUTED SULPHONAMIDES:

Sulfapyridine

Sulfathiazole

Sulfadiazine

2.N₄-SUBSTITUTED SULPHONAMIDES:

Pro-drugs, which require change to N₄ un-substituted form to show activity.

Sulfasalazine