A member asked:

Prediabetic erectile dysfunction tsh testestorene prolaxtin cbp normal now what more test do i need to rule out the cause of e.d no morning erection?

A doctor has provided 1 answer
Dr. Julie Abbott answered

Specializes in Preventive Medicine

Complete your workup: Even with prediabetes, ED is somewhat unusual in a 31 year old, so I agree work-up is reasonable. So maybe CBP is CBC. The hormone tests you had are reasonable blood tests; perhaps add FSH/LH. Many would do urinalysis and then duplex ultrasound to check penile blood flow. Finally, NPT (nocturnal penile tumescence) might be measured to see if erections occur during sleep which is normal.

Answered 1/18/2015

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