help with new bp med and gear

i was prescribed a new bp med now my doc knows that i am on gear he also prescribed a water pill for me too. my next cycle will consist of 20mgs of dbol and sus 250 . he said that the new meds would not interact with my gear,but i allways check behind anyone to make sure the info is correct. now i have been all on the phone with eckard pharmacy and i was told that there have been no studies done to find any reactions with test/sus or dbol. can anyone help me out. the bp med is verapamil er at 240 mgs and the water pill is furosemide 20 mg tablets