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Every page here comes from the clinical unit that handles the condition — not from a content desk. Read what a diagnosis means, what a treatment involves and what to expect afterwards, in plain language.

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2,309 results

Allergic Asthma

Allergic asthma is a form of asthma triggered by allergens such as pollen, dust mites, mold, or pet dander, causing…

  • 12 doctors
  • 5 answers

Allergic Conjunctivitis

Allergic conjunctivitis is inflammation of the eye’s conjunctiva triggered by allergens such as pollen, dust, or pet dander, causing redness,…

  • 12 doctors

Allergic Rhinitis

Allergic rhinitis is an allergy-related inflammation of the nasal lining that causes symptoms such as sneezing, congestion, runny nose, and…

  • 12 doctors

Alopecia Areata

Alopecia areata is an autoimmune condition that causes patchy hair loss when the immune system mistakenly attacks hair follicles. At…

  • 12 doctors

ALS Disease

ALS disease, or amyotrophic lateral sclerosis, is a progressive condition in which the nerve cells that control voluntary muscles gradually…

  • 12 doctors
  • 7 answers

Alzheimer’s Disease

Alzheimer’s disease is a progressive brain disorder that gradually impairs memory, thinking, behavior, and the ability to manage daily activities.…

  • 12 doctors

Amblyopia

Amblyopia, or “lazy eye,” is reduced vision in one eye that develops when the brain favors the other eye during…

  • 12 doctors
  • 7 answers

Amblyopia (Lazy Eye)

Amblyopia (lazy eye) is reduced vision in one eye, or rarely both, because the brain does not learn to use…

  • 12 doctors
  • 7 answers

Ameloblastic Carcinoma

Ameloblastic carcinoma is a rare cancer of the jaw that arises from tooth-forming cells. It is the malignant form of…

  • 7 answers

Amenorrhea

Amenorrhea is the absence of menstrual periods, either when menstruation has not started by the expected age or when regular…

  • 12 doctors
  • 7 answers

Amyotrophic Lateral Sclerosis

Amyotrophic lateral sclerosis (ALS) is a progressive disease that damages the nerve cells controlling voluntary muscle movement, leading to weakness,…

  • 12 doctors
  • 7 answers

Anal Cancer

Anal cancer is a malignant tumor that develops in the tissues of the anus, often causing symptoms such as bleeding,…

  • 12 doctors
  • 7 answers

Anal Fissure

An anal fissure is a small tear in the lining of the anus that can cause pain, burning, and bleeding…

  • 5 doctors
  • 7 answers

Anal Fistula

An anal fistula is an abnormal tunnel between the anal canal and the skin near the anus, usually developing after…

  • 5 doctors
  • 7 answers

Anaphylaxis

Anaphylaxis is a sudden, severe allergic reaction that can rapidly affect breathing, blood pressure, and multiple organs, making immediate emergency…

  • 12 doctors
  • 7 answers

Androgen Insensitivity Syndrome (AIS)

Androgen insensitivity syndrome (AIS) is a rare genetic condition in which a person with XY chromosomes cannot respond normally to…

  • 5 doctors
  • 7 answers

Androgenetic Alopecia

Androgenetic alopecia is a common form of hereditary hair loss caused by sensitivity of hair follicles to androgens, leading to…

  • 12 doctors
  • 7 answers

Anemia

Anemia is a condition in which the blood lacks enough healthy red blood cells or hemoglobin to carry adequate oxygen…

  • 12 doctors
  • 7 answers

Anemia of Chronic Disease

Anemia of chronic disease is a type of anemia that develops when long-standing inflammation, infection, autoimmune illness, kidney disease, or…

  • 5 doctors
  • 7 answers

Anencephaly

Anencephaly is a severe neural tube defect in which much of a baby's brain, skull, and scalp fail to develop…

  • 1 doctors
  • 6 answers

Angina

Angina is chest pain or pressure that occurs when the heart muscle does not get enough oxygen-rich blood, most often…

  • 12 doctors
  • 7 answers

Angina Pectoris

Angina pectoris is chest pain or pressure caused by reduced blood flow to the heart muscle, usually due to coronary…

  • 12 doctors
  • 7 answers

Angioedema

Angioedema is sudden swelling in the deeper layers of the skin or mucous tissues, often affecting the face, lips, tongue,…

  • 5 doctors
  • 7 answers
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