Low testosterone (low-T) can be caused by conditions such as type 2 diabetes, obesity, liver or kidney disease, hormonal disorders, certain infections, and hypogonadism. Signs and symptoms that a person may have low-T include insomnia, increased body fat, weight gain, reduced muscle, infertility, decreased sex drive, depression, and worsening of congestive heart failure or sleep apnea. Low-T can be treated with testosterone therapy in the form of gels, injections, pellets, or skin patches. Side effects of testosterone treatment include acne, anxiety, hair loss, headache, and change in sex drive (libido). Read more: Low Testosterone (Low-T) Article
Multimedia: Slideshows, Images & Quizzes
Low Testosterone (Low T) Quiz: Test Your IQ of Men's Conditions
What are symptoms of low testosterone (low T)? Take this quiz to learn more about causes of low testosterone and how to treat it.
Menopause Quiz: Symptoms & Signs
The Menopause Quiz challenges your knowledge about the time in a woman’s life when menstruation ceases. Menopause can bring many...
Type 2 Diabetes: Test Your Medical IQ
What causes type 2 diabetes? Can it be prevented? Take this online quiz and challenge your knowledge of this common condition....
Erectile Dysfunction (Impotence) Quiz: Causes & Treatment
Did you know that certain medical condition may be responsible for ED? Some causes of impotence are medically treatable and...
Diabetes Quiz: Test Your Medical IQ
Take the Diabetes Quiz and learn the causes, signs, symptoms, and types of this growing epidemic. What does diabetes have to do...
Type 2 Diabetes Diagnosis, Treatment, Medication
Learn about type 2 diabetes warning signs, symptoms, diagnosis, and treatment options. Read how diet and exercise can help manage...
Menopause & Perimenopause: Symptoms, Signs
What is menopause? What are the signs of menopause? What age does menopause start? Learn about menopause and perimenopause...
Sex-Drive Killers: The Causes of Low Libido
Noticing a lack of intimacy with your partner? Here we explore how stress, lack of sleep, weight gain, depression and low T can...
Erectile Dysfunction (ED) Causes and Treatment
Having erection problems? What is erectile dysfunction (ED)? Learn about erectile dysfunction causes and treatments such as drugs...
The Surprising Health Benefits of Sex
How would you like a stronger immune system or better sleep? Action between the sheets can help you get all of this and more....
Infertility: Types, Treatments, and Costs
Learn about infertility symptoms and types of treatment such as IVF, acupuncture, and natural methods to get pregnant. Read about...
Men's Health: What Foods Improve Male Health?
What foods have the most health benefits for men? For losing weight, gaining muscle, and lowering your risk of prostate cancer,...
Sex Tips for Men: How to Have a Better Sex Life
Learn sex tips for men that lead to more sexual pleasure such as better communication, focusing on pleasurable sensations,...
Female Sexual Dysfunction: Treatment for Women's Sexual Disorders
Female sexual dysfunction symptoms can limit a woman’s sex life. Female sexual dysfunction treatment aims to address any...
Low Testosterone (Low T) Treatments
What causes low testosterone (low T)? Learn about low testosterone symptoms in men. Discover low testosterone treatment and the...
10 Ways to Deal With Menopause Symptoms
Menopause can cause night sweats, hot flashes, mood swings, and relationship challenges. Learn how to manage these symptoms here.
9 Signs of Perimenopause
Perimenopause occurs before menopause as estrogen levels begin to change. This can cause menopause like symptoms such as hot...
Women's Health: 25 Hormone Imbalance Symptoms and Signs
Hormone imbalance including abnormal levels of estrogen, testosterone, cortisol, progesterone, and other hormones may lead to...
Men's Health: Natural Ways to Boost Testosterone
Find out from WebMD what you can do to raise your testosterone levels naturally, including changes to your diet and lifestyle.
Related Disease Conditions
Diabetes (Type 1 and Type 2)
Diabetes is a chronic condition characterized by high levels of sugar (glucose) in the blood. The two types of diabetes are referred to as type 1 (insulin dependent) and type 2 (non-insulin dependent). Symptoms of diabetes include increased urine output, thirst, hunger, and fatigue. Treatment of diabetes depends on the type.
Erectile Dysfunction (ED, Impotence)
Erectile dysfunction (ED, impotence) is the failure to achieve or maintain an erection. There are many potential underlying causes of erectile dysfunction, including stress and emotional problems, brain dysfunction, problems with blood supply to the penis, and structural problems with the penis. Erectile dysfunction is diagnosed by taking the patient's history and physical exam. Blood tests measuring kidney function and blood sugar, cholesterol, hormone, and prostate-specific antigen (PSA) levels may be ordered. Urinalysis, ultrasound, and other more sophisticated tests may be required. The treatment of erectile dysfunction depends on the underlying cause. Medications, penile injections, penile implants, and vacuum devices may be used. Treatment for erectile dysfunction is usually successful. The patient should manage heart disease risk factors (high blood pressure, high cholesterol, diabetes) as they are related to erectile dysfunction risk.
Learn about osteoporosis, a condition characterized by the loss of bone density, which leads to an increased risk of bone fracture. Unless one experiences a fracture, a person may have osteoporosis for decades without knowing it. Treatment for osteoporosis may involve medications that stop bone loss and increase bone strength and bone formation, as well as quitting smoking, regular exercise, cutting back on alcohol intake, and eating a calcium- and vitamin D-rich balanced diet.
Obesity is the state of being well above one's normal weight. A person has traditionally been considered to be obese if they are more than 20% over their ideal weight. That ideal weight must take into account the person's height, age, sex, and build.
Prolactinoma (Pituitary Tumor)
Prolactinoma is an adenoma (benign tumor) of the pituitary gland. Causes of many prolactinomas are unknown. Symptoms in women include: changes in menstruation and infertility, decreased libido, or painful intercourse due to vaginal dryness. The most common symptom in men is impotence (erectile dysfunction). Treatments for prolactinomas include medication and surgery.
Mumps is an acute viral illness caused by the mumps virus. Symptoms of mumps include fever, headache, muscle aches, tiredness, and loss of appetite, followed by swelling of the salivary glands.
Menopause is the time in a woman's life when menstrual periods permanently stop, also called the "change of life." Menopause symptoms include hot flashes, night sweats, irregular vaginal bleeding, vaginal dryness, painful intercourse, urinary incontinence, weight gain, and emotional symptoms such as mood swings. Treatment of menopausal symptoms varies, and should be discussed with your physician.
Sarcoidosis, a disease resulting from chronic inflammation, causes small lumps (granulomas) to develop in a great range of body tissues and can appear in almost any body organ. However, sarcoidosis most often starts in the lungs or lymph nodes.
Men's health is an important component to a happy lifestyle and healthy relationships. Eating healthy, exercise, managing stress, and knowing when to have medical tests for a particular age is key to disease prevention in men.
Insulin Resistance (Symptoms, Causes, Diagnosis, Treatment, and Reversal))
Insulin resistance is the diminished ability of cells to respond to the action of insulin in transporting glucose (sugar) from the bloodstream into muscle and other tissues. There are no signs or symptoms of insulin resistance. Causes of insulin can include conditions such as stress, obesity, metabolic syndrome, and steroid use. Some of the risk factors for insulin resistance include fatty liver, heart disease, strokes, peripheral vascular disease, high cholesterol, and smoking. Treatment for insulin resistance are lifestyle changes and if necessary, medication.
Infertility is the diminished ability to conceive a child. Infertility can be a problem with both men and women. Infertility in men can be caused by medical conditions, unhealthy habits, and toxins from the environment. Infertility in women can be caused by problems with ovarian function, the Fallopian tubes, or the physical characteristics of the uterus. Methods of conceiving for couples that cannot conceive include intrauterine inseminations (IUIs) or in vitro fertilization (IVF), specific drugs, assisted reproductive technology (ART), surgery, and gestational carrier.
Sexual health information including birth control, impotence, herpes, sexually transmitted diseases, staying healthy, women's sexual health concerns, and men's sexual health concerns. Learn about the most common sexual conditions affecting men and women.
Sexual Problems (Sex) in Women
Sexual dysfunction refers to a problem that arises during any phase of the sexual response cycle, preventing an individual or couple from experiencing sexual satisfaction. Physical, medical, and psychological conditions may affect sexual functioning, resulting in inhibited sexual desire, inability to become aroused, lack of orgasm, and painful intercourse. Treating the underlying physical and psychological problems usually resolves most female sexual problems.
Sexual Problems in Men
Male sexual dysfunction can be caused by physical or psychological problems. Common sexual problems in men include erectile dysfunction (impotence or ED), premature ejaculation, and loss of libido. Treatment for sexual dysfunction in men may involve medication, hormone therapy, psychological therapy, and the use of mechanical aids.
Sex and Menopause (What to Expect)
Menopause is often associated with a change in sexual functioning. Loss of estrogen, bladder control issues, anxiety, stress, health concerns, medications, and sleep disturbances often result in a decrease in libido. Though there are currently no good drugs for treating sexual problems in women, there are ways to increase intimacy with a partner and treat vaginal dryness.
Male menopause refers to the decline in testosterone production in men. As men age, they often experience many of the same symptoms that women experience in menopause. Testosterone replacement therapy may relieve some of these symptoms.
Type 2 Diabetes
Type 2 diabetes is a chronic condition that may be reversible with diet and lifestyle changes. Symptoms include excessive thirst, frequent urination, weight loss, fatigue, and an unusual odor to your urine. Most people don't know they have type 2 diabetes until they have a routine blood test. Treatment options include medications, a type 2 diabetes diet, and other lifestyle changes.
Perimenopause is the time in a woman's life when she is approaching menopause. During this time a woman starts to develop symptoms of declining estrogen levels that may include mood swings, painful sex, night sweats, hot flashes, and weight gain. Every adult woman eventually will experience perimenopause.
Night Sweats (In Men and Women) Causes, Remedies, and Treatments
Night sweats are severe hot flashes that occur at night and result in a drenching sweat. The causes of night sweats in most people are not serious, like menopause in women, sleep apnea, medications, alcohol withdrawal, and thyroid problems. However, more serious diseases like cancer and HIV also can cause night sweats. Your doctor will treat your night sweats depending upon the cause. You may experience other signs and symptoms that are associated with night sweats, which depend upon the cause, but may include, shaking, and chills with a fever caused by an infection like the flu or pneumonia; unexplained weight loss due to lymphoma; women in perimenopause or menopause may also have vaginal dryness, mood swings, and hot flashes during the day; and low blood sugar in people with diabetes. Other causes of night sweats include medications like NSAIDs (aspirin, acetaminophen, ibuprofen (Motrin, Advil), and naproxen (Aleve, Naprosyn), antidepressants, sildenafil (Viagra), and abuse of prescription or illegal drugs and drug withdrawal; hormone disorders like pheochromocytoma and carcinoid syndrome; idiopathic hyperhidrosis; infections like endocarditis, AIDs, and abscesses; alcoholism and alcohol withdrawal; drug abuse, addiction, and withdrawal; and stroke. A doctor or other health care professional can treat your night sweats after the cause has been diagnosed.
Sex, Urinary, and Bladder Problems of Diabetes
Having diabetes can mean early onset and increased severity of bladder symptoms (urinary incontinence and urinary tract infections) and changes in sexual function. Men may have erectile dysfunction; and women may have problems with sexual response and vaginal lubrication. Keep your diabetes under control, and you can lower your risk of sexual and urologic problems.
Anabolic steroids are synthetic substances that are related to testosterone and promote skeletal muscle growth and the development of male sexual characteristics in both men and women. In the 1930s, it was discovered that anabolic steroids could promote skeletal muscle growth in lab animals, which lead to anabolic steroid abuse by bodybuilders and weight lifters.
Primary Ovarian Insufficiency (POF, Premature Ovarian Failure, POI)
Primary ovarian iInsufficiency (POF, Premature Ovarian Failure, POI) is the cessation of normal functioning of the ovaries in women under the age of 40. Premature ovarian failure may be caused by follicle depletion or dysfunction. The most common symptom of premature ovarian failure are irregular periods. There is no "treatment" that will restore the ovarian function, but there are treatments that my relieve symptoms.
Sexual Response Cycle (Phases of Sexual Response)
There are four phases to the sexual response for men and women. Couple do not usually reach each phase at the same time, and they are dependant from individual to individual. The four phases of the sexual response cycle include phase 1, excitement; phase 2, plateau; phase 3 orgasm; and phase 4 resolution.
Gynecomastia (Enlarged Male Breasts)
Gynecomastia, an enlargement of the gland tissue in the male breast is caused by an imbalance of hormones. Certain medical conditions may also lead to gynecomastia such as cirrhosis, malnutrition, disorders of the male sex organs, kidney failure, thyroid disorders, and medications. Gynecomastia is generally treated with medication, and if necessary, surgery.
Diabetes Symptoms in Women (Early and Late)
Diabetes symptoms in women include vaginal itching, pain, or discharge, loss if interest or pain after having sex, polycystic ovarian syndrome (POS), and urinary tract infections or UTIs (which are more common in women. Symptoms of diabetes that are the same in women and men are excessive thirst and hunger, bad breath, and skin infections, darkening of skin in areas of body creases (acanthosis nigricans), breath odor that is fruity, sweet, or acetone, and tingling or numbness in the hands or feet, blurred vision, fatigue, tingling or numbness in the hands or feet, wounds that heal slowly, irritability, and weight loss or gain. Complications of type 1 and type 2 diabetes are the same, for example, skin, eye, and circulation problems, low blood sugar (hypoglycemia), high blood sugar (hyperglycemia), ketoacidosis, and amputation. If diabetes is not managed a person may not survive.
Diabetes Symptoms in Men
Diabetes mellitus is a disease in which a person's blood sugar (blood glucose) is either too high (hyperglycemia) or too low (hypoglycemia) due to problems with insulin regulation in the body. There are two main types of diabetes mellitus, type 1 and type 2. Type 1 diabetes usually occurs during childhood, while type 2 diabetes usually occurs during adulthood, however, rates of both types of diabetes in children, adolescents, and teens is increasing. More men than women have diabetes in the US, and the disease can affect men differently than women.Warning symptoms of diabetes that men have and women do not include low testosterone (low-t), sexual problems, impotence (erectile dysfunction), decreased interest in sex, and retrograde ejaculation. Type 1 and type 2 diabetes symptoms and signs that are the same in men and women include skin infections, numbness or tingling in the feet or hands, nausea, excessive thirst or hunger, fatigue, irritability, blurred vision, weight gain, weight loss, urinary tract infections (URIs), and kidney problems. Treatment for type 1 diabetes is insulin, and treatment for type 2 diabetes are lifestyle changes like eating a healthy diet, getting exercise daily, and if necessary, diabetes medications.
Local ResourcesFind a local Endocrinologist in your town
Treatment & Diagnosis
Medications & Supplements
Prevention & Wellness
- Drug Might Curb Dangerous Urges in Pedophiles: Study
- Could Lower Testosterone Help Men Ward Off COVID-19?
- High Testosterone Levels Have Different Health Impact for Men and Women
- Prescription-Strength Steroid Creams Sold Over-the-Counter Can Be Dangerous
- Male Fertility Supplements Fail to Deliver
- Testosterone Supplements Won't Help Most Men, Doctors' Group Says
- Testosterone Supplements Double Men's Odds for Blood Clots: Study
- Concussions May Leave Former NFL Players With Another Issue: Impotence
- Testosterone May Rejuvenate Older Women's Sex Drive
- Testosterone Therapy May Threaten the Heart
- Testosterone Supplements Not All They're Cracked Up to Be
- Jatenzo Approved for Men With Low Testosterone
- Supplemental Steroids, Testosterone May Lower Men's Sperm Counts
- Opioid Overuse Can Lower Hormones to Harmful Levels
- How Steroid Abuse Put an Aging Bodybuilder in the Hospital
- Men's Testosterone Supplements May Be Losing Appeal
- Health Tip: Understanding Testosterone Treatment
- Shift Work May Put Damper on a Man's Sex Life
- TV Ads Help Drive Testosterone Supplement Sales
- Testosterone Therapy May Have Benefits, But Risks Too
- Testosterone Therapy May Be Linked to Serious Blood Clots
- Could Zika Harm Men's Fertility?
- FDA Warns of Dangers From Testosterone Supplements
- Can Hormonal Rx for Prostate Cancer Raise Dementia Risk?
- Testosterone Therapy May Boost Older Men's Sex Lives
- Men Miss Out on Bone Loss Screening
- Testosterone Therapy May Boost Sex Drive in Older Men ...
- Does Testosterone Give Men Better Direction Sense?
- Wielding Power May Spur Testosterone Surges: Study
- 'Low T' Therapy Has Yet to Be Proven: FDA
- Study Sees No Link Between Testosterone Therapy and Blood Clots
- Testosterone Treatments Won't Help Men With Ejaculatory Issues
- More Sex, Better Testosterone Levels?
- Early Studies See No Heart Risk From Testosterone Therapy
- No Testosterone Therapy for Healthy Women, New Guidelines State
- FDA Panel: Limit Testosterone Drug Use
- FDA to Probe Testosterone Therapy Claims, Safety
- Methadone Lowers Testosterone in Men Only
- Testosterone and Heart Attacks: Q&A
- Common Chemicals May Lower Testosterone Levels, Study Finds
- Testosterone Products Must Warn About Risk of Venous Clots: FDA
- 'Low T' Diagnosis Needs More Than a Blood Test, Experts Say
- More Specialists Question Safety of Testosterone Therapy for Older Men
- FDA Will Review Safety of Testosterone Therapy
- Testosterone Therapy Might Increase Heart Attack Risk: Study
- 'Low T' Therapy: Is It for Me?
- Testosterone May Undermine Flu Shot's Effectiveness for Men
- Too Much Testosterone May Be Unhealthy for Older Men
- More Men Taking Testosterone, But Risks Unclear
- Men in Red: Higher Testosterone Levels, Study Finds
- Erectile Dysfunction Tied to Long-Term Narcotic Use in Men
- Buying Testosterone Supplements Online Can Be Risky
- Low Testosterone Linked to Later Arthritis in Study
- Adding Testosterone to Viagra May Not Help Erectile Dysfunction
- Obese Boys, Impotent Men?
- Weight Loss May Increase Testosterone Levels
- Health Highlights: June 25, 2012
- Can Testosterone Therapy Help Obese Men Lose Weight?
- Coming Soon: At-Home Sperm Test for Couples Trying to Conceive
- Experts Call Male Menopause a Myth
- Divorce, Heavy Drinking, Smoking Linked to Hair Loss
- Testosterone May Drop When Men Become Dads
- Sleep Loss May Lower Testosterone
- Low Testosterone Linked to Alzheimer's Risk