Mr. lybrate-user, Long standing diabetes tends to cause a number of complications including erectile dysfunction and loss of libido. This can happen even if there is fairy good control, but if there is persistent hyperglycemia, then it develops more rapidly. Ideally blood glucose should be FBS closer to 100 mg, PP between 150 to 180 mg & HbA1c% <6.8. Even in spite of maintaining such tight control there can be ED. So primary need is to achieve strict blood glucose control and if needed you may have to take PDE - V inhibitors, as and when needed.
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