The proper answer is to consult your doctor. But the blue pill is actually a structural analog to one of the key ingredients in Pashiin (icariin). Taking both may be unnecessary. From a neuroscience perspective, they are PDE5 competitive antagonists, so there shouldn’t be a negative reaction, but rather a slight increase in potency when combined. The icariin is the form found in nature and can be easily processed by the body, however any pharmaceutical is going to have much more drastic side effects and potentially lead to worsened sexual health over time. So it may not be a very health conscious decision to use the blue pill anyways. But we will let you and your doctor decide what is best.