Not a diagnosis: a head start. These are the three drivers most worth checking first, based on what the evidence says gets missed most often.
Low T flattens drive in men and women. Total + free testosterone, morning sample.
SSRIs, some blood pressure drugs and hormonal contraception are common silent causes.
Exhaustion, stress and bad sleep mean libido is last in the queue. Fix upstream first.
Morning testosterone (total + SHBG), TSH, ferritin, prolactin
1. Start a two-minute note in the free journal that asks back, so the pattern becomes visible.
2. Take the test list above to your GP; the GP Script Generator will help you say it clearly.
3. Read the evidence: Low Libido: Causes, Tests and What Helps in the UK.
Want it tracked and reviewed monthly by a real person? The Club, £10/month.
Education, not diagnosis, and never a replacement for your GP or pharmacist. Reference ranges and guidance vary; sudden, severe or worsening symptoms need 111, or 999 in an emergency. By Hussain Sharifi · independent, affiliate-free health intelligence.