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    Treatment resistant acne

    Hi, Just looking for a second opinion on the cystic acne I’ve been dealing with and a plan to re-introduce testosterone. The back ground is a little long but pertinent, I think. Back in May I started a course of prednisone for an ulcerative colitis flare up. About 3 months after that, I...
  2. S

    How long for acne to resolve after stopping TRT?

    Hi, I'm currently on testosterone trans-scrotal cream 150mg daily (100mg AM and 50mg PM). I'm finding myself in a position where I need to stop it to rule out the testosterone being the cause of my cystic acne. How long of a trial do you think you'd need to see a difference in a side effect...
TRT Hormone Predictor Widget

TRT Hormone Predictor

Predict estradiol, DHT, and free testosterone levels based on total testosterone

⚠️ Medical Disclaimer

This tool provides predictions based on statistical models and should NOT replace professional medical advice. Always consult with your healthcare provider before making any changes to your TRT protocol.

ℹ️ Input Parameters

Normal range: 300-1000 ng/dL

Predicted Hormone Levels

Enter your total testosterone value to see predictions

Results will appear here after calculation

Understanding Your Hormones

Estradiol (E2)

A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.

DHT

Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

Free Testosterone

The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038

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