Selective and Rapid Determination of Tadalafil and Finasteride Using Solid Phase Extraction by High Performance Liquid Chromatography and Tandem Mass Spectrometry

The user has been using finasteride for 3 years with good results and wants to switch to dutasteride combined with tamsulosin. They are seeking more information about tamsulosin.

The user reported high testosterone and estradiol levels within range, but unexpectedly high DHT levels after using finasteride and dutasteride for hair loss. Another person suggested the dutasteride might be fake or a bad batch and recommended using the branded Avodart.

A 22-year-old male experienced increased testosterone and estradiol levels after 8 months on finasteride, leading to softer erections and reduced arousal. Suggestions included reducing finasteride dosage, using supplements like L-arginine, L-citrulline, zinc, and possibly tadalafil to improve symptoms.

The user has been using dutasteride and finasteride but still experiences hair loss and high DHT levels. They plan to try topical finasteride and RU58841 while continuing dutasteride to see if topicals are more effective.

The user experienced a significant drop in libido and erectile issues after increasing their finasteride dosage, combining oral and topical treatments. They plan to take a break and resume using a lower concentration of topical finasteride to manage side effects.

A 23-year-old male has been using finasteride and topical minoxidil for 14 months with slight improvement, but recent shedding led him to switch to a new minoxidil formulation without success. He is considering using topical RU58841 or dutasteride to better address scalp DHT, as his bloodwork shows high total testosterone and mid-range DHT levels.