Abstract: A pharmacological composition for the treatment of bacterial and protozoal infections in a patient. The preferred pharmacological composition comprises a pharmaceutical carrier and an active composition selected from the group consisting of: a) an amount of sodium oxalate and an amount of oxalic acid, b) an amount of sodium citrate and an amount of citric acid, or c) mixtures of a) and b). The amounts and weight ratios of a) the sodium oxalate and oxalic acid, and b) the sodium citrate and citric acid in the active composition are such as to produce a safe and effective pharmacological composition. Sodium salts of other carboxylic acids may be used. The invention also relates to the method of using the pharmacological composition for the safe and effective treatment of bacterial infections, protozoal infections and dermatological diseases.