A method for screening diuretic agents in the mouse: an investigation of sexual differences

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Abstract
Acetazolamide, aminophylline, frusemide, ethacrynic acid and triamterene were tested for diuretic action at dosages of 3, 10 and 30 mg kg−1 (s.c.) in male and female mice. Each drug significantly raised sodium excretion and all but acetazolamide elevated urine volume and chloride excretion. Potassium excretion was significantly raised by acetazolamide and frusemide. Acetazolamide and triamterene evoked urinary alkalinization whereas frusemide and ethacrynic acid reduced urinary pH. Female mice were markedly more sensitive than males to the diuretic, natriuretic, chloruretic and urinary acidifying actions of ethacrynic acid.