Diseases and Conditions

Find doctor-approved information about symptoms, causes, diagnosis, treatment and prevention of common diseases and conditions.

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"anxiety" conditions
  • sad-looking woman in a coat and scarf stands under an umbrella in the rain

    Seasonal Affective Disorder

    Seasonal affective disorder (SAD) is a type of depression that is triggered by the seasons of the year. Symptoms usually… SAD include: Change in appetite, especially craving sweet or starchy foods Weight gain Fatigue Sleeping more than normal Difficulty concentrating Irritability and anxiety Increased sensitivity…

  • Fibromyalgia is a syndrome that causes muscle pain and general fatigue. It is a condition that is often misunderstood.

    Fibromyalgia

    Fibromyalgia is a syndrome that causes muscle pain and general fatigue… energy), even when you get enough sleep Trouble sleeping People who have fibromyalgia often also have one or more of the following: Anxiety Depression Irritable bowel syndrome Restless legs syndrome Increased sensitivity to odors,…

  • Close up of a man wearing a dress shirt with sweat stains in the armpit

    Hyperhidrosis

    Hyperhidrosis is excessive sweating… it is silly or embarrassing. But hyperhidrosis can have a negative impact on your life. It can cause social isolation, depression, and anxiety. Plus, it can be a sign of a serious health problem. You are wise to seek your doctor’s advice. Contact…

  • A man holds his mouth in pain. Burning mouth syndrome (BMS) is marked by pain and discomfort in the mouth, lips, and/or tongue.

    Burning Mouth Syndrome

    Burning mouth syndrome (BMS) is marked by pain and discomfort in the mouth, lips, and/or tongue. Find treatment and tips… high blood pressure Extreme allergic reactions Health conditions that alter taste or saliva production Oral yeast infection (thrush) Mental disorders (such as anxiety or depression)…

  • Man's hands on his stomach with red spot indicating pain caused by irritable bowel syndrome (IBS)

    Irritable Bowel Syndrome (IBS)

    Irritable bowel syndrome (IBS) is a gastrointestinal (GI) disorder. It describes a group of symptoms that affect your large intestine… increase or change in bacteria in your small intestine Reactions to certain foods or drinks Mental health issues, such as depression and anxiety Extreme stress…

  • Female therapist working with young boy on floor

    Asperger's Syndrome

    Asperger’s syndrome is a developmental disorder affecting speech and behavior… every person, based on his or her needs. Medicine: There is no medicine to treat Asperger’s syndrome. Most medicines treat the anxiety, depression, or inability to focus related to Asperger’s syndrome. Commonly prescribed medicines for…

  • businessman buttoning his shirt

    Gynecomastia

    Gynecomastia is a condition in which men have enlarge breasts often caused by a change in hormones… What is gynecomastia? Gynecomastia is a condition in which men have enlarged breasts. It is caused by an increase in breast tissue, not fat tissue. Gynecomastia may…

  • Hydrocodone prescription bottle

    Opioid Addiction

    An opioid addiction is a powerful urge to use opioids. These are medicines that are prescribed to relieve pain, such… What is opioid addiction? An addiction is a strong craving to do something. In this case, it’s a strong craving to use opioids. Addiction…

  • Young Woman with Perfect Skin and Skin Problem. Unhealthy and Healthy Skin After Treatment.

    Rosacea

    Rosacea is a common skin condition that occurs on the face. It causes redness and small bumps that are similar… What is rosacea? Rosacea is a common skin condition that occurs on the face. It causes redness and small bumps that are similar to…

  • woman with a headache holds a hand to her head

    Chronic Pain

    Chronic pain cannot often be cured but it can be treated with lifestyle changes and other means… What is chronic pain? There are 2 types of pain: acute and chronic. Acute pain lets you know that your body is injured. It usually doesn’t last long. It…

  • colleagues wear protective facemasks during a meeting at work

    Mass Psychogenic Illness

    Mass psychogenic illness is sometimes called mass hysteria. It is when a group of people starts feeling sick at the… What is mass psychogenic illness? Mass psychogenic illness is when people in a group start feeling sick at the same time even though there is…

  • American soldier in uniform, who suffers from PTSD

    Post-Traumatic Stress Disorder (PTSD)

    Post-traumatic stress disorder (PTSD) is a mental health disorder caused by a traumatic event or series of events… What is post-traumatic stress disorder? Post-traumatic stress disorder (PTSD) is a mental health condition caused by a traumatic event or series of events. It affects your…

  • Hands grabbing a bloated stomach

    Bloating

    Bloating is when your stomach is filled with air or gas from what you eat, your lifestyle, or for medical… What is bloating? The medical term is “meteorism.” But we all know the term “bloating” and the way it makes us feel. Bloating occurs in…

  • Sleepwalking

    Learn about the causes of and ways to deal with sleepwalking… Sleepwalking is just as it sounds. It involves walking around, sitting up, or doing other activities while asleep. The person’s eyes are open. They look like they are awake. Sleepwalking occurs during deep…

  • A woman sitting in front of her computer, talking on her cell phone, and yawning

    Chronic Fatigue Syndrome

    Chronic fatigue syndrome is a disease that causes extreme fatigue that lasts for more than 6 months and interrupts daily… What is chronic fatigue syndrome? Chronic fatigue syndrome (CFS) is a disease that causes you to become so fatigued (tired) you can’t perform normal…

  • A woman lying in bed stares at clock in the middle of the night. Insomnia is a sleep disorder where people have trouble falling asleep, staying asleep, or both. It’s more common in older adults and women.

    Insomnia

    Insomnia is a sleep disorder that happens when you have trouble falling asleep, staying asleep, or both. It’s more common… What is insomnia? Insomnia is a sleep disorder that happens when you have trouble falling asleep, staying asleep, or both. Acute insomnia is short-term…

  • Woman holding throat in pain. When you have Hashimoto’s disease, your immune system attacks the thyroid gland. When this happens, your thyroid can’t make hormones normally.

    Thyroiditis

    Learn about the types, symptoms, causes, diagnosis and treatment of thyroiditis, a name for several disorders that cause inflammation of… What is thyroiditis? Thyroiditis refers to a group of disorders that cause inflammation of the thyroid. Your thyroid is the gland located in the front of your…

  • Substance Use Disorder

    Substance use disorder can happen when products aren’t used in the right way. Prescription medicines, illegal drugs, tobacco, and alcohol… Substance use disorder can happen when some products aren’t used in the right way. This includes prescription medicines, over-the-counter medicines, recreational and illegal drugs,…

  • Nightmares and Night Terrors

    Nightmares and night terrors can be scary parts of childhood, but they are usually triggered by everyday events and often… Nightmares are scary dreams. They usually start in childhood before the age of 10. But they can occur in adults. Nightmares are more common…

  • illustration of human nervous system

    Complex Regional Pain Syndrome

    Complex regional pain syndrome is a chronic pain condition that often happens after an injury. It is believed to be… What is complex regional pain syndrome? Complex regional pain syndrome (CRPS) is a chronic pain condition. It can occur after an injury. It usually…