Should You Have Blood Serum DHT Measured for Finasteride?

No, I don’t recommend DHT testing. Finasteride is a competitive inhibitor to DHT at the 5 alpha reductase level. Simply put: competitive inhibition means that finasteride competes with DHT for the receptor that triggers hair loss. If the finasteride occupies the receptor, than DHT can’t cause the hair loss. Finasteride is about 75% effective at competitive inhibition.

Get a virtual consultation with Dr. William Rassman and Dr. Jae Pak for hair loss options. You can learn more by scheduling an appointment.

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