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The Ultimate Men’s Health Acronyms Glossary

| By: The Men’s Health Clinic
Men’s health acronyms glossary - medical professional explaining paperwork to someone

Understanding medical terminology shouldn’t feel overwhelming, especially when you’re trying to take charge of your health. This glossary breaks down the most common acronyms used across our website into simple, trustworthy explanations.


Men’s health acronyms

ED – Erectile Dysfunction

A condition where achieving or maintaining an erection is difficult.

PE – Premature Ejaculation

Ejaculation occurs sooner than desired.

TD – Testosterone Deficiency

Low testosterone production causing symptoms like low energy and libido.

TRT – Testosterone Replacement Therapy

Treatment to restore testosterone to healthy levels.

SSRI – Selective Serotonin Reuptake Inhibitor

Antidepressants that affect serotonin levels.

SNRI – Serotonin and Noradrenaline Reuptake Inhibitor

Antidepressants affecting mood and pain regulation.

PDE5 – Phosphodiesterase Type 5 Inhibitors

Medications such as Tadalafil and Viagra that enhance blood flow to support erections.

VED – Vacuum Erection Device

A device that helps produce an erection using air pressure.

BMI – Body Mass Index

A measurement comparing height and weight.

IIEF – International Index of Erectile Function

A questionnaire used to assess sexual function.


Hormone & blood test acronyms

LH – Luteinising Hormone

Controls testosterone production.

FSH – Follicle-Stimulating Hormone

Regulates reproductive health.

TSH – Thyroid-Stimulating Hormone

Signals the thyroid to produce hormones.

T4 – Thyroxine

A key thyroid hormone regulating metabolism.

T3 – Triiodothyronine

The active thyroid hormone.

HDL – High-Density Lipoprotein

“Good” cholesterol.

LDL – Low-Density Lipoprotein

“Bad” cholesterol.

TT – Total Testosterone

Measures all testosterone in the blood.

FT – Free Testosterone

Testosterone available for the body to use.

DHT – Dihydrotestosterone

A potent androgenic metabolite of testosterone.

E2 – Oestradiol

A form of estrogen important for men’s health.

SHBG – Sex Hormone Binding Globulin

A protein that binds to testosterone, oestradiol and DHT

HCT – Haematocrit

Measures red blood cell concentration.


Reproductive & Endocrine Acronyms

PCOS – Polycystic Ovary Syndrome

A hormonal condition affecting women.

GAD – Generalised Anxiety Disorder

A chronic anxiety condition.

HPA – Hypothalamic–Pituitary–Adrenal Axis

System regulating stress response and cortisol production.

HPO – Hypothalamic–Pituitary–Ovarian Axis

System regulating reproductive hormones.

EDCs – Endocrine-Disrupting Chemicals

Environmental chemicals that affect hormones.

UPFs – Ultra-Processed Foods

Foods linked to inflammation and hormonal disruption.


Medication forms & measurements

mg / mg/dL / mg/mL – Units measuring dosage and concentration.

kg/m² – Unit used for BMI.

ng/dL – Unit measuring hormone levels.


TRT treatment abbreviations

HCG – Human Chorionic Gonadotrophin

Supports fertility and testicular function.

TC – Testosterone Cypionate

Medium‑acting injectable testosterone.

TE – Testosterone Enanthate

Another common medium-acting injectable testosterone.

TU – Testosterone Undecanoate

Long‑acting testosterone option.

CC – Clomiphene Citrate

Stimulates natural testosterone production.

SERM – Selective Oestrogen Receptor Modulator

Modifies estrogen activity.

SARM – Selective Androgen Receptor Modulator

Substances acting like steroids but not approved for safe use.

SC – Subcutaneous

Injection under the skin.

IM – Intramuscular

Injection into muscle.


Regulatory & professional terms

CQC – Care Quality Commission

Regulates health services in England.

UKAS – United Kingdom Accreditation Service

Ensures lab testing quality.

MBChB – Medical Degree

Bachelor of Medicine and Surgery.

HRT – Hormone Replacement Therapy

Hormone therapy for men and women.


Taking control of your health is one of the most empowering decisions you can make, and you don’t have to do it alone. Whether you’re unsure about symptoms, exploring treatment options, or simply want expert guidance that’s tailored to you, our team at The Men’s Health Clinic is here to support you. Contact us any time for clear answers, compassionate advice, and a personalised plan that helps you move forward with confidence.