Pamabrom is mild diuretic consisting of a 1:1 mixture of 2-amino-2-methyl-1-propanol and 8-bromotheophyllin . It often found in combination with aceraminophen. It works by increasing urination. Pamabrom is xanthine diuretics reduce salt and water reabsorption in the proximal tubule and increase renal blood flow, yet their diuretic effect is modest. It is indicated as over-the-counter remedies to relief fluid retention and bloating associated with menstration.