acne; topical retinoids; management/treatment

  1. madman

    An update on the pharmacological management of acne vulgaris

    * Four main interrelated pathogenic factors, that act synergistically in a complex manner are involved in the development of acne lesions: 1. Increased sebum production due to androgen-driven sebaceous gland hyperplasia; 2. Hyperkeratinization of the follicular epithelium due to abnormal...
  2. madman

    Management of Acne Vulgaris With Trifarotene

    Management of Acne Vulgaris With Trifarotene (2023) Jerry Tan, MD, Rajeev Chavda, MD, Hilary Baldwin, MD, and Brigitte Dreno, MD, PhD Abstract Topical retinoids have an essential role in the treatment of acne. Trifarotene, a topical retinoid selective for retinoic acid receptor (RAR) γ, is...
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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