Written & medically reviewed by Dr. Sanjay Anbu, MBBS· Last reviewed
Testosterone naturally declines with age, but genuinely low levels can cause tiredness, low sex drive and mood changes. It is worth testing properly rather than self-treating — because unnecessary testosterone carries real risks.
Reduced body/facial hair; sometimes breast tenderness
Poor concentration or reduced motivation
When to see a doctor urgently
Do not take testosterone without confirmed low levels — it can shrink the testicles and reduce fertility
Testosterone can worsen some prostate conditions and thicken the blood
Very low levels or symptoms in a young man need investigation
Beware unregulated “testosterone boosters” and steroids
Test before you treat. Low-T symptoms overlap with many conditions, so a morning blood test (repeated) confirms it before treatment. Testosterone is not a general tonic and has real risks. MedDroid gives general information, not a diagnosis.
Frequently asked questions
What are the symptoms of low testosterone?
Low sex drive, erectile problems, tiredness, low mood, loss of muscle and increased fat. These overlap with other conditions, so a blood test is needed to confirm it.
Should I take testosterone supplements?
Only if a doctor confirms genuinely low levels. Taking it unnecessarily can shrink the testicles, reduce fertility, thicken the blood and affect the prostate.
How is low testosterone tested?
With a blood test taken in the morning, usually repeated, along with checking for causes. Your doctor interprets it with your symptoms.
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.