The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical
composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the
pharmaceutical industry.
The sulfonamides are bacteriostatic agents and the spectrum of activity is similar for all. Sulfonamides inhibit bacterial synthesis of dihydrofolic acid by preventing the condensation of the pteridine with aminobenzoic acid through competitive inhibition of the enzyme dihydropteroate synthetase.
