Daily dose crestor 10mg + Losartan Potassium 50mg. Blood test shows progressive decrease in platelets. From trials is it possible for 1 or both drugs to cause decrease in platelets and if so which is the more likely of the 2 drugs to cause thrombocytopenia. Platelet count over 1 yr showed a 50% drop i.e. 73x10^9 /lt resent value