What is low testosterone (male hypogonadism)?
Low testosterone (male hypogonadism) is a condition in which the testes (testicles, the male reproductive glands) do not produce enough testosterone (a male sex hormone).
In men, testosterone helps maintain and develop:
Low testosterone affects almost 40% of men aged 45 and older. It is difficult to define normal testosterone levels, because levels vary throughout the day and are affected by body mass index (BMI), nutrition, alcohol consumption, certain medications, age and illness.
As a man ages, the amount of testosterone in his body gradually drops. This natural decline starts after age 30 and continues (about 1% per year) throughout his life.
There are many other potential causes of low testosterone, including the following:
Symptoms of low testosterone depend on the age of person, and include the following:
Other changes that occur with low testosterone include:
Last reviewed by a Cleveland Clinic medical professional on 04/10/2018.
Get useful, helpful and relevant health + wellness information
Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy
Read more from the original source:
Low Testosterone (Low T): Causes, Symptoms, Diagnosis ...
- Is it Low T | Signs, Symptoms, and what you can do about Low T [Last Updated On: August 18th, 2024] [Originally Added On: April 16th, 2014]
- LANHAM BLACKWELL BABER, "Low T" - Video [Last Updated On: August 18th, 2024] [Originally Added On: April 16th, 2014]
- Federal Panel Schedules Hearing on Possible Creation of AndroGel Lawsuit Litigation in the Northern District of ... [Last Updated On: August 18th, 2024] [Originally Added On: April 17th, 2014]
- Low T - Video [Last Updated On: August 18th, 2024] [Originally Added On: April 17th, 2014]
- JWU Sugar Shack performance by Low T - Video [Last Updated On: August 18th, 2024] [Originally Added On: April 24th, 2014]
- The Truth of Low T - Video [Last Updated On: August 18th, 2024] [Originally Added On: April 27th, 2014]
- Low T Treatment Lawsuit | 1-800-504-FIRM | The Knoll Law Firm - Video [Last Updated On: August 18th, 2024] [Originally Added On: May 3rd, 2014]
- Low T High Risk? - Video [Last Updated On: August 18th, 2024] [Originally Added On: May 9th, 2014]
- Low T Drug Info - Video [Last Updated On: August 18th, 2024] [Originally Added On: May 9th, 2014]
- Low T Vitamin Formula Is The Fountain of Youth - Video [Last Updated On: August 18th, 2024] [Originally Added On: May 16th, 2014]
- Dallas LOW T Doctor - Video [Last Updated On: August 18th, 2024] [Originally Added On: May 16th, 2014]
- Low T in young men - Video [Last Updated On: August 18th, 2024] [Originally Added On: May 19th, 2014]
- Low T Doctor in Englewood - Video [Last Updated On: August 18th, 2024] [Originally Added On: May 19th, 2014]
- T LOW T - Video [Last Updated On: August 18th, 2024] [Originally Added On: May 24th, 2014]
- My Little Runaway - Video [Last Updated On: August 18th, 2024] [Originally Added On: May 25th, 2014]
- The Low T Alternative - Video [Last Updated On: August 18th, 2024] [Originally Added On: May 31st, 2014]
- Tampa Bay Low T Center Testosterone Pellets - Video [Last Updated On: August 18th, 2024] [Originally Added On: June 8th, 2014]
- Funny Stand Up Comedy Clips | Horror Stories Of "Low T"! - Video [Last Updated On: August 18th, 2024] [Originally Added On: June 12th, 2014]
- The Dyson Show - Number 466 - Video [Last Updated On: August 18th, 2024] [Originally Added On: June 12th, 2014]
- LJW Production - "Low T" Attorney - Video [Last Updated On: August 18th, 2024] [Originally Added On: June 21st, 2014]
- testim gel 1% for low t - Video [Last Updated On: August 18th, 2024] [Originally Added On: June 25th, 2014]
- closing low t - Video [Last Updated On: August 18th, 2024] [Originally Added On: June 27th, 2014]
- edwards low t - Video [Last Updated On: August 18th, 2024] [Originally Added On: June 29th, 2014]
- Anchor Sign LOW T - Video [Last Updated On: August 18th, 2024] [Originally Added On: July 2nd, 2014]
- Low T Wonder Therapy Comes with Warning - Video [Last Updated On: August 18th, 2024] [Originally Added On: July 13th, 2014]
- Can WOMEN Suffer From "Low T"? Get The FACTS! - Video [Last Updated On: August 18th, 2024] [Originally Added On: July 16th, 2014]
- HD Deep Low T - Casablanca ( Morocco Dinara Primova's eyes ) - Video [Last Updated On: August 18th, 2024] [Originally Added On: July 18th, 2014]
- Low T Institute- St. Louis - Video [Last Updated On: August 18th, 2024] [Originally Added On: July 23rd, 2014]
- ANDROGEL/LOW T HEART ATTACK LAW FIRM - Video [Last Updated On: August 18th, 2024] [Originally Added On: July 25th, 2014]
- Episode 39: Karl Nadolsky: Part 2: What You Need to Know About Nutrition, Hormones and Supplements - Video [Last Updated On: August 18th, 2024] [Originally Added On: July 26th, 2014]
- Testosterone Drug Injury - Low T Heart Attack - Video [Last Updated On: August 18th, 2024] [Originally Added On: July 27th, 2014]
- Low Testosterone San Diego | 760-290-3552 | Low T Escondido - Video [Last Updated On: August 18th, 2024] [Originally Added On: July 27th, 2014]
- Low T Treatment West Palm Beach Florida 561 844 8188 - Video [Last Updated On: August 18th, 2024] [Originally Added On: August 3rd, 2014]
- Low T Treatment Wellington Florida 561 844 8188 - Video [Last Updated On: August 18th, 2024] [Originally Added On: August 3rd, 2014]
- Dr. Samadi Discusses Low T and "Manopause" - Video [Last Updated On: August 18th, 2024] [Originally Added On: August 8th, 2014]
- Prescription Testosterone Treatment (Low T) Alert - Video [Last Updated On: August 18th, 2024] [Originally Added On: August 10th, 2014]
- Feel young again by treating 'Low T': Mark Fierro interviews Dr. Christopher Asandra, M.D. - Video [Last Updated On: August 18th, 2024] [Originally Added On: August 13th, 2014]
- Cafe Be #26: Low T, Obama, Jihadi lunatics and aging when you least expect it - Video [Last Updated On: August 18th, 2024] [Originally Added On: August 23rd, 2014]
- Low T Public - Video [Last Updated On: August 18th, 2024] [Originally Added On: August 23rd, 2014]
- Testosterone Booster - Check Out wwwAndropauseGuide dot com To Eliminate Low T - Video [Last Updated On: August 18th, 2024] [Originally Added On: August 23rd, 2014]
- How To Increase Testosterone - Visit wwwAndropauseGuide dot com To Eliminate Low T - Video [Last Updated On: August 18th, 2024] [Originally Added On: August 23rd, 2014]
- Low T Symptoms - Visit wwwAndropauseGuide dot com To Solve Andropause - Video [Last Updated On: August 18th, 2024] [Originally Added On: August 30th, 2014]
- Man-Up: Give It a Shot internet commercial (Low T and E-D) - Video [Last Updated On: August 18th, 2024] [Originally Added On: August 30th, 2014]
- What is Low T and How Can You Fix It? - Video [Last Updated On: August 18th, 2024] [Originally Added On: August 30th, 2014]
- 30 Sec Low T Mass Tort Commercial - Burg Simpson - Video [Last Updated On: August 18th, 2024] [Originally Added On: September 1st, 2014]
- Papantonio: The Low T Cash Bonanza - Video [Last Updated On: August 18th, 2024] [Originally Added On: September 4th, 2014]
- FDA Disses Testosterone Boosters - Video [Last Updated On: August 18th, 2024] [Originally Added On: September 6th, 2014]
- Low T Treatment Palm Beach Gardens Florida 561 844 8188 - Video [Last Updated On: August 18th, 2024] [Originally Added On: September 7th, 2014]
- Low T Treatment Boynton Beach Florida 561 844 8188 - Video [Last Updated On: August 18th, 2024] [Originally Added On: September 7th, 2014]
- Low T Treatment Boca Raton Florida 561 844 8188 - Video [Last Updated On: August 18th, 2024] [Originally Added On: September 8th, 2014]
- Low T Treatment Jupiter Florida 561 844 8188 - Video [Last Updated On: August 18th, 2024] [Originally Added On: September 8th, 2014]
- Low T Treatment Delray Beach Florida 561 844 8188 - Video [Last Updated On: August 18th, 2024] [Originally Added On: September 8th, 2014]
- Lyme disease, Low T, Leptin and Belly Fat - Video [Last Updated On: August 18th, 2024] [Originally Added On: September 22nd, 2014]
- Know your T Number at Cratos Low T Clinic Colorado Springs - Video [Last Updated On: August 18th, 2024] [Originally Added On: September 26th, 2014]
- Gender Analysis 01. Low T: A Tale of Two Hormones - Video [Last Updated On: August 18th, 2024] [Originally Added On: September 30th, 2014]
- 4th Annual Boot Ride with Aaron Lewis and Sons of Anarchy! - Video [Last Updated On: August 18th, 2024] [Originally Added On: October 6th, 2014]
- SPECIAL REPORT: Drugs for 'Low T', Are%2 - Video [Last Updated On: August 18th, 2024] [Originally Added On: October 8th, 2014]
- STUPE LOW T SHIRT!!! - Video [Last Updated On: August 18th, 2024] [Originally Added On: October 22nd, 2014]
- Man-Up TV commercial (Low T and ED) - Video [Last Updated On: August 18th, 2024] [Originally Added On: October 26th, 2014]
- Apex PL Low T 30 - Video [Last Updated On: August 18th, 2024] [Originally Added On: October 26th, 2014]
- Apex Low T Therapy V2 30 - Video [Last Updated On: August 18th, 2024] [Originally Added On: October 26th, 2014]
- Phamacist Ben Fuchs, Testosterone, Low T, Muscle Building, Anabolism, Insulin, Low T Remedies - Video [Last Updated On: August 18th, 2024] [Originally Added On: October 26th, 2014]
- What Are The Symptoms of Low T and the Benefits of Testosterone Replacement? - Video [Last Updated On: August 18th, 2024] [Originally Added On: November 6th, 2014]
- The 3 Facts Every Man Must Know About Low T - Video [Last Updated On: August 18th, 2024] [Originally Added On: November 7th, 2014]
- Low T -Promo - Video [Last Updated On: August 18th, 2024] [Originally Added On: November 7th, 2014]
- "Low T" Testosterone Therapy Heart Risk Lawsuit - Video [Last Updated On: August 18th, 2024] [Originally Added On: November 12th, 2014]
- The Low T Book - A Man's 30 Day Guide To Improve Your S.E.L.F. - Video [Last Updated On: August 18th, 2024] [Originally Added On: November 15th, 2014]
- Low T ... A $2 Billion Testosterone SCAM? Manopause? - Video [Last Updated On: August 18th, 2024] [Originally Added On: November 22nd, 2014]
- Testosterone Lawsuit For Men With Side Effects From Low T Treatment - Video [Last Updated On: August 18th, 2024] [Originally Added On: December 5th, 2014]
- My 5 year fitness journy progress motivation thing... Low T, no TRT..Picture link in description - Video [Last Updated On: August 18th, 2024] [Originally Added On: December 5th, 2014]
- Low T:Me - Video [Last Updated On: August 18th, 2024] [Originally Added On: December 7th, 2014]
- Wim Yland Renault Low-T - Video [Last Updated On: August 18th, 2024] [Originally Added On: December 10th, 2014]
- Is MAP effective for low T? - Video [Last Updated On: August 18th, 2024] [Originally Added On: December 11th, 2014]
- Get low T - Video [Last Updated On: August 18th, 2024] [Originally Added On: December 15th, 2014]
- Low T Center supports Boot Campaign at Dallas Mavericks - Video [Last Updated On: August 18th, 2024] [Originally Added On: December 24th, 2014]
- Low Testosterone Therapy & Low T Doctors CHARLESTON, SC, 29407 - Video [Last Updated On: August 18th, 2024] [Originally Added On: December 25th, 2014]
- Low Testosterone Therapy & Low T Doctors CHARLESTON, SC, 29464 - Video [Last Updated On: August 18th, 2024] [Originally Added On: January 5th, 2015]
- Do You Have Low T?! How to Tell - Video [Last Updated On: August 18th, 2024] [Originally Added On: January 10th, 2015]
- Davis & Crump "Low T" - Video [Last Updated On: August 18th, 2024] [Originally Added On: January 10th, 2015]
- Find Out if You Have Low T Now - Video [Last Updated On: August 18th, 2024] [Originally Added On: January 15th, 2015]