Low Testosterone (Low T) Related Diseases & Conditions

Medical conditions are often related to other diseases and conditions. Our doctors have compiled a list of ailments related to the topic of Low Testosterone (Low T). These conditions may be a cause or symptom of Low Testosterone (Low T) or be a condition for which you may be at increased risk.

  • Hair Loss There are many causes of scalp hair loss. This featured article covers the common ones such as patchy hair loss (alopecia areata,...learn more »
    In This Article
    Hair Loss Article
    • Hair loss facts
    • What are causes of hair loss?
    • How do physicians classify hair loss?
    • What is alopecia areata?
    • What is traction alopecia?
    • What is trichotillomania?
    • What is tinea capitis?
    • What is generalized (diffuse) hair loss?
    • What is telogen effluvium?
    • What is androgenetic or androgenic alopecia ("male-pattern baldness," "female-pattern baldness")?
    • What treatment is there for hair loss in men?
    • What other options do people have for hair loss?
    • Is hair loss in women different than men?
    • What about pregnancy hair loss?
    • What specific treatments are there for hair loss in women?
    • What vitamins are good for hair loss?
    • Can itchy scalp cause hair loss?
    • How do people prevent hair loss?
  • Sarcoidosis Sarcoidosis, a disease resulting from chronic inflammation, causes small lumps (granulomas) to develop in a great range of body...learn more »
    In This Article
    Sarcoidosis Article
    • Sarcoidosis facts
    • What is sarcoidosis?
    • What are symptoms of sarcoidosis?
    • Who gets sarcoidosis?
    • What we know about sarcoidosis
    • Some things we don't know about sarcoidosis
    • How is sarcoidosis diagnosed?
    • What are some signs and symptoms that suggest possible sarcoidosis?
    • What do laboratory tests show?
    • How is sarcoidosis treated?
    • Living with sarcoidosis
    • Where can a person find more information on sarcoidosis?
  • Gynecomastia Gynecomastia, an enlargement of the gland tissue in the male breast is the caused by an imbalance of hormones. Certain medical...learn more »
    In This Article
    Gynecomastia Article
    • Gynecomastia Facts
    • What is gynecomastia?
    • What causes gynecomastia?
    • What are the risk factors for gynecomastia?
    • What are the symptoms of gynecomastia?
    • When should I call the doctor about gynecomastia?
    • How is gynecomastia diagnosed?
    • What is the treatment for gynecomastia?
    • Surgical treatments
    • What are the complications of gynecomastia?
    • Can gynecomastia be prevented?
    • What is the prognosis for gynecomastia?
  • Mumps Mumps is an acute viral illness caused by the mumps virus. Symptoms of mumps include fever, headache, muscle aches, tiredness,...learn more »
    In This Article
    Mumps Article
    • Mumps facts
    • What is mumps?
    • What is the history of mumps?
    • What causes mumps? How is mumps transmitted?
    • What are risk factors for contracting mumps?
    • What are the signs and symptoms of mumps in children and adults?
    • How is mumps diagnosed?
    • What is the treatment for mumps in adults and in children?
    • What are complications of mumps?
    • Can mumps be prevented? Is there a vaccine for mumps?
    • What is the prognosis of a mumps infection?
    • Where can people find more information on mumps?
  • Sexual (Sex) Problems in Men Male sexual dysfunction can be caused by physical or psychological problems. Common sexual problems in men include erectile...learn more »
    In This Article
    Sexual (Sex) Problems in Men Article
    • What are sexual problems in men?
    • What is the physiology of sexual function?
    • How are sexual problems in men diagnosed?
    • What is the treatment for sexual problems in men?
    • What are the different types of sexual dysfunction in men?
    • What is low libido?
    • What are the risk factors for low libido?
    • What causes low libido?
    • What are the symptoms of low libido?
    • What is erectile dysfunction?
    • What are the risk factors for erectile dysfunction?
    • What causes erectile dysfunction?
    • What are the symptoms of erectile dysfunction?
    • What is the treatment for erectile dysfunction?
    • What are nonsurgical treatments for erectile dysfunction?
    • What are surgical treatments for erectile dysfunction?
    • What is premature ejaculation?
    • What causes premature ejaculation?
    • What are the symptoms of premature ejaculation?
    • What is the treatment for premature ejaculation?
    • What is disordered orgasm?
    • What causes disordered orgasm?
    • What is the treatment for disordered orgasm?
    • What are other kinds of sexual dysfunction in men?
    • At what age do men experience sexual dysfunction?
    • What kinds of professionals treat sexual problems in men?
    • Can sexual problems in men be prevented?
    • What is the prognosis for sexual problems in men?
  • Osteoporosis Learn about osteoporosis, a condition characterized by the loss of bone density, which leads to an increased risk of bone...learn more »
    In This Article
    Osteoporosis Article
    • Osteoporosis facts
    • What is osteoporosis?
    • What are osteoporosis symptoms and signs?
    • What are the consequences of osteoporosis?
    • Why is osteoporosis an important public health issue?
    • What factors determine bone strength?
    • What are osteoporosis risk factors and causes?
    • How is osteoporosis diagnosed?
    • Who should have bone density testing?
    • What is the treatment for osteoporosis, and can osteoporosis be prevented?
    • Exercise, quitting cigarettes, and curtailing alcohol
    • Calcium supplements
    • Vitamin D
    • Hormone therapy (hormone replacement therapy, menopausal replacement therapy)
    • Medications that prevent bone loss and breakdown
    • Choosing an osteoporosis medication
    • Prevention of osteoporosis caused by long-term corticosteroids
    • Monitoring osteoporosis therapy medication
    • Prevention of hip fractures in elderly people with osteoporosis
    • What are complications of osteoporosis?
    • What is the prognosis (outlook) for patients with osteoporosis?
  • Infertility Infertility is the diminished ability to conceive a child. The primary cause of infertility in men is a sperm disorder. In women,...learn more »
    In This Article
    Infertility Article
    • Infertility facts*
    • What is infertility?
    • Is infertility a common problem?
    • Is infertility just a woman's problem?
    • What causes infertility in men?
    • What increases a man's risk of infertility?
    • What causes infertility in women?
    • What things increase a woman's risk of infertility?
    • How does age affect a woman's ability to have children?
    • How long should women try to get pregnant before calling their doctors?
    • How will doctors find out if a woman and her partner have fertility problems?
    • How do doctors treat infertility?
    • What medicines are used to treat infertility in women?
    • What is intrauterine insemination (IUI)?
    • What is assisted reproductive technology (ART)?
    • How often is assisted reproductive technology (ART) successful?
    • What are the different types of assisted reproductive technology (ART)?
    • Surrogacy
    • Gestational carrier
    • For more information
  • Prolactinoma (Pituitary Tumor) Prolactinoma is an adenoma (benign tumor) of the pituitary gland. Causes of many prolactinomas are unknown. Symptoms in women...learn more »
    In This Article
    Prolactinoma (Pituitary Tumor) Article
    • Prolactinoma facts
    • What is a prolactinoma (pituitary tumor)?
    • What is the normal function of prolactin?
    • What is the pituitary gland?
    • Where is the pituitary gland located?
    • What problems are caused by a pituitary tumor?
    • How common is a prolactinoma?
    • What are the types of prolactinomas?
    • What causes a prolactinoma?
    • What symptoms are caused by a prolactinoma?
    • Aside from a prolactinoma, what else can cause prolactin levels to rise?
    • How is a prolactinoma diagnosed?
    • What follow-up tests are done after a prolactinoma diagnosis?
    • What are the goals of treatment of a prolactinoma?
    • How is a prolactinoma treated?
    • What medications are used to treat prolactinomas?
    • What is the surgical treatment of a prolactinoma?
    • How do I choose a skilled neurosurgeon?
    • Does a prolactinoma affect pregnancy and oral contraceptives?
    • Do prolactinomas affect oral contraceptives?
    • Is osteoporosis a risk in women with high prolactin levels?
  • Obesity Obesity is the state of being well above one's normal weight. A person has traditionally been considered to be obese if they are...learn more »
    In This Article
    Obesity Article
    • Obesity facts
    • What is obesity?
    • How common is obesity?
    • What are the health risks associated with obesity?
    • What causes obesity?
    • What are other factors associated with obesity?
    • How is body fat measured?
    • What about weight-for-height tables?
    • What is the body mass index (BMI)?
    • Does it matter where body fat is located?
    • What can be done about obesity?
    • What is the role of physical activity and exercise in obesity?
    • What is the role of diet in the treatment of obesity?
    • What is the role of medication in the treatment of obesity?
    • What about herbal fen/phen?
    • What about meal substitutes, artificial sweeteners, and OTC products?
    • What is the role of surgery in the treatment of obesity?
    • How can patients choose a safe and successful weight-loss program?
  • Male Menopause Male menopause refers to the decline in testosterone production in men. As men age, they often experience many of the same...learn more »
    In This Article
    Male Menopause Article
    • Male menopause introduction
    • What is male menopause?
    • How is male menopause diagnosed?
    • Can male menopause be treated?
  • Erectile Dysfunction (ED, Impotence) Erectile dysfunction (ED, impotence) is the failure to achieve or maintain an erection. There are many potential underlying...learn more »
    In This Article
    Erectile Dysfunction (ED, Impotence) Article
    • What is erectile dysfunction?
    • What causes erectile dysfunction?
    • What are the risk factors for erectile dysfunction?
    • Can young men get erectile dysfunction?
    • How is erectile dysfunction diagnosed?
    • What is the treatment for erectile dysfunction?
    • What is the prognosis for erectile dysfunction?
    • Can erectile dysfunction be prevented?
  • Klinefelter Syndrome Klinefelter syndrome, also referred to as XXY condition, is a genetic disease. Klinefelter syndrome affects mostly males....learn more »
    In This Article
    Klinefelter Syndrome Article
    • Klinefelter syndrome facts*
    • What is Klinefelter syndrome?
    • What are the symptoms of the XXY condition?
    • Physical development
    • Language development
    • Social development
    • What are the treatments for the XXY condition?
  • Steroid Abuse Anabolic steroids are synthetic substances that are related to testosterone and promote skeletal muscle growth and the...learn more »
    In This Article
    Steroid Abuse Article
    • Anabolic steroid abuse facts
    • What are anabolic steroids?
    • Why do people abuse anabolic steroids?
    • How do people abuse anabolic steroids?
    • Are anabolic steroids addictive?
    • What are the psychological and physical side effects of anabolic steroid abuse?
    • How are anabolic steroid abuse and addiction diagnosed?
    • What is the treatment for anabolic steroid abuse and addiction?
    • Can anabolic steroid abuse and addiction be prevented?
    • Where can I get more information on anabolic steroid abuse?
  • 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...learn more »
    In This Article
    Primary Ovarian Insufficiency (POF, Premature Ovarian Failure, POI) Article
    • What is primary ovarian insufficiency (POI)?
    • What are the symptoms of primary ovarian insufficiency?
    • How many women are affected by or at risk for primary ovarian insufficiency?
    • What causes primary ovarian insufficiency?
    • How is primary ovarian insufficiency diagnosed?
    • Are there associated disorders or conditions associated with primary ovarian insufficiency?
    • What are the treatments for primary ovarian insufficiency?
    • Hormone replacement therapy (HRT)
    • Calcium and vitamin D supplements
    • Regular physical activity and healthy body weight
    • Treatments for associated conditions
    • Emotional support
    • POI in teens
  • Men's Health Men's health is an important component to a happy lifestyle and healthy relationships. Eating healthy, exercise, managing stress,...learn more »
    In This Article
    Men's Health Article
    • Introduction to men's health
    • Prostate problems
    • Testosterone
    • Top 10 diseases that kill men
    • 1. Heart disease
    • 2. Cancers
    • 3. Injuries
    • 4. Stroke (cerebrovascular accident, CVA)
    • 5. Chronic Obstructive Pulmonary Disease (COPD)
    • 6. Diabetes
    • 7. Influenza and pneumonia
    • 8. Suicide
    • 9. Kidney disease
    • 10. Alzheimer's disease
    • The checklist: How to stay healthy

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