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Diseases and Conditions

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

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  • Dermatologist uses magnifying glass to examine a mole on the back of a male patient

    Squamous Cell Carcinoma

    Squamous cell carcinoma is a common form of skin cancer.

  • A toddler wears an oxygen mask. RSV (respiratory syncytial virus) is a common virus that makes it hard to breathe. RSV is common in children under 2, but anyone can get it.

    RSV (Respiratory Syncytial Virus)

    Respiratory syncytial virus (RSV) is a common virus. It affects your lungs, making it difficult to breathe. The virus is…

  • A girl sits at the kitchen table covering her eyes in a stressful way with her homework sitting in front of her.

    ADHD in Children: Symptoms, Diagnosis, and Support

    ADHD is one of the most common developmental disorders of childhood, associated with inattention, hyperactivity, and/or impulsivity.

  • A fourteen year old Caucasian girl reads her blood sugar level by placing her cellphone next to her pump in her arm as she sits at a dining table.

    Diabetes in Kids - Signs and Causes

    Diabetes is a chronic condition that occurs when your child’s body doesn’t’ make or use insulin properly. There are two…

  • A plastic model of intestines sits on a table in a doctor’s office where a patient is consulting with a doctor about her Crohn’s disease.

    Crohn’s Disease

    Crohn’s disease is an inflammatory bowel disease (IBD) that causes ulcers to form in the gastrointestinal (GI) tract anywhere from…

  • Woman in business clothes holding sinuses in pain

    Sinus Infection (Sinusitis)

    A sinus infection is a condition where the lining of your sinuses becomes inflamed. It can be caused by bacteria…

  • A swollen foot caused by lymphedema. Lymphedema occurs when there is excess fluid inside your body. It causes swelling in your arms, legs, fingers, and toes.

    Lymphedema

    Lymphedema is a condition often caused by cancer treatment or surgery. It results in swelling of the lymph nodes located…

  • Senior man with heat exhaustion cools his head with a wet cold cloth

    Heat Exhaustion and Heat Stroke

    Heat exhaustion and heatstroke are serious conditions. Learn the warning signs of these heat-related illnesses, as well as how to…

  • Traveler’s Diarrhea

    Traveler’s diarrhea is a common travel-related illness that anyone can get when traveling to certain areas. Most cases are mild…

  • Hand, foot, and mouth disease is a common, mild, contagious childhood illness. It causes mouth sores and a rash on the hands and feet.

    Hand, foot, and mouth disease (HFMD)

    Hand, foot, and mouth disease is a common, mild, contagious childhood illness. It causes sores inside and outside the mouth…

  • Close-up of doctors hands checking man’s skin. Skin tags are non-cancerous skin growths that feel like a hanging mole. Anyone can get them, and they are more common with age.

    Skin tags

    Skin tags are non-cancerous skin growths that feel like a hanging mole. They are more common with age.

  • Zoomed out and zoomed in view of the brain’s pituitary gland

    Pituitary Tumors

    The pituitary gland is located in your brain and produces hormones. Most pituitary tumors are non-cancerous.

  • Woman holding antacid tablet and glass of water

    Indigestion (Dyspepsia)

    Indigestion happens when your body has trouble digesting food. Anyone can get indigestion, either on occasion or as part of…

  • 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…

  • Menopause

    Menopause is when your menstrual periods permanently stop (12 months in a row without a period) and you can no…

  • Male Doctor Wearing Blue Gloves Holding Cotton Swab And DNA Test Tube to test for monkeypox

    Mpox (monkeypox)

    Mpox (monkeypox) began making the news following a surge in new cases in summer 2022. This outbreak includes reports of…

  • Vibrio Vulnificus Infection

    Vibrio vulnificus is a type of bacteria found in warm seawater and contaminated shellfish. It can cause flu-like symptoms and…

  • Doctor examining a child, checking her throat and tonsils. Common tonsillitis symptoms include redness and feeling like your throat or neck glands are swollen due to inflammation of the tonsils.

    Tonsillitis

    Tonsillitis is an inflammation of the tonsils that happens when they become infected by a virus or bacteria. It is…

  • A young boy shows a skin rash covering his chest and arms. Scarlet fever is a bacterial infection that usually affects children between the ages of 5 and 15. It can be treated with antibiotics.

    Scarlet Fever

    Scarlet fever is a bacterial infection that usually effects children between the ages of 5 and 15. It can be…

  • Smiling school children stand against a fence on the playground. Tourette syndrome is a movement disorder that causes a person to make repeated, uncontrolled twitches, movements, or sounds known as tics.

    Tourette Syndrome and Tics

    Tourette syndrome is a movement disorder that causes a person to make repeated, uncontrolled twitches, movements, or sounds. It starts…

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