Diseases and Conditions

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

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All conditions in Kids and Teens
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  • Mother and child play with stacking cups

    Speech and Language Delay

    A speech and language delay is when your child doesn’t talk as much as most other children their age.

  • Strabismus

    Strabismus is an eye disorder. It affects the muscle control in your eyes. The eyes don’t line up properly. Instead,…

  • Doctor checking woman’s throat with a tongue depressor

    Strep Throat

    Strep throat is an infection caused by bacteria. It is called “strep” because the bacteria that causes the infection is…

  • Stuttering

    Stuttering is a condition that affects a person’s ability to speak smoothly. It can cause them to repeat words, parts…

  • closeup of a sty on a child’s eye

    Sty

    A sty is a painful, red bump that forms on the edge of your eyelid. It may look like an…

  • Teeth grinding is also known as bruxism. About 20% or 30% of children clench their teeth but usually stop as they get older.

    Teeth Grinding (Bruxism)

    Teeth grinding is also known as bruxism. About 20% or 30% of children clench their teeth but usually stop as…

  • A man sits on an exam table in a doctor’s office. Testicular torsion is an emergency that happens when a man’s testicles rotate and the spermatic cord becomes twisted. It can occur at any age.

    Testicular Torsion

    Testicular torsion happens when a man’s testicles rotate and the spermatic cord becomes twisted. This can happen at any…

  • Thalassemia is a group of inherited blood disorders that prevent your body from producing the amount of hemoglobin it needs.

    Thalassemia

    Thalassemia is a group of inherited blood disorders that prevent your body from producing the amount of hemoglobin it…

  • 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…

  • 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…

  • A gloved hand holds a magnifying glass up to a model of a hip joint. Transient synovitis of the hip, also called toxic synovitis, is an inflammation and swelling of the tissues around the hip joint.

    Toxic Synovitis, or Transient Synovitis of the Hip

    Learn about the symptoms, causes, diagnosis and treatment of transient synovitis of the hip, a condition that causes sudden hip…

  • 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…

  • Vibrio Vulnificus Infection

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

  • A woman kneeling on the bathroom floor while holding her head over the toilet as she vomits

    Vomiting and Diarrhea

    Information for parents about vomiting and diarrhea in children from the American Academy of Family Physicians.

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