Hydrochlorothiazide More Drug_uses How Does Adderall And Hydrochlorothiazide React When Taken Together?

How does adderall and hydrochlorothiazide react when taken together? - hydrochlorothiazide more drug_uses

I want to reduce my blood pressure if I take a pill, Adderall under water as hydrochlorothiazide. The information contained in my recipe, warns me to tell my doctor if I both. Why? What is the response to water and take Adderall Pill?
Is it okay if the mass quantities of drinking water?