pain after injection

  1. G

    Injection Mistake - Infection?

    On Tuesday, when doing a quad shallow IM (1/2 inch insulin pin) 4mg shot, I blasted through a vein which resulted in quite a bit of blood running out after I withdrew the needle. For the record, swabbed top of vial appropriately before draw, used z-track method, but, there's a tiny chance when...
  2. mairomaster

    Annoying post-injection pain (PIP)

    I've been on TRT for an year and a half now. I am self-medicating and I did my best to study the field as good as possible so that I really know what I'm doing. Everything is going pretty good so far - I've experimented with many different protocols / substances and I've figured out pretty well...
  3. S

    Pain in quads after injection

    Hello, I am new here, anyways I have been on T Cyp since September. My physician prescribed me 200mg @ 1mL weekly because my level was a 67 at 42 years of age. Anyways I have been doing injections in my quads and for first time my left quad is really sore and its been 4 days since my last...
  4. L

    Terrible soreness after subcutaneous testosterone injection

    I have been using Intra Mus injection in the hip. Decided to try sub cu in the shoulder thinking it was less invasive. Now my shoulder is extremely sore on day 2 of this wondering what went wrong? I don't think there was any air... maybe a very small bubble... I did notice the Test Cyp was very...
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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