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Diverticular Disease
Diverticular disease involves small pouches, called diverticula, forming in weak spots in the wall of the colon. Many people have these pouches…
Dizziness
Dizziness is a symptom rather than a specific diagnosis. It may feel like lightheadedness, unsteadiness, faintness, or a spinning sensation, and people…
Donovanosis
Donovanosis, also called granuloma inguinale, is a chronic bacterial sexually transmitted infection (STI) caused by Klebsiella granulomatis. It usually affects the genital…
Double Vision
Double vision, also called diplopia, means seeing two images of one object instead of a single clear image. The images may appear…
Drug Allergy
A drug allergy is an immune system reaction to a medicine that the body mistakenly sees as harmful. It can happen with…
Drug-Induced Lupus
Drug-Induced Lupus is a lupus-like autoimmune syndrome caused by ongoing exposure to certain medicines. The immune system reacts in a way that…
Dry Eye Syndrome
Dry Eye Syndrome occurs when the eyes do not make enough tears or when tears evaporate too quickly. This creates an unstable…
Duane Syndrome
Duane syndrome is a congenital disorder that affects horizontal eye movement, meaning an eye may not move normally inward or outward. One…
Dumping Syndrome
Dumping syndrome is a condition in which food moves too quickly from the stomach into the small intestine. It commonly develops after…
Dyskeratosis Congenita
Dyskeratosis congenita is a rare inherited disorder in which the body has trouble maintaining telomeres, protective structures at the ends of chromosomes.…
Dysphonia
Dysphonia is a change in the quality, pitch, loudness, or ease of your voice. Often described as hoarseness, it can make the…
Dystonia
Dystonia is a movement disorder that causes involuntary muscle contractions. These contractions can lead to abnormal postures, twisting, or repetitive movements that…
Ear Nose Throat
Diagnosis and treatment for conditions affecting the ear, nose, throat, and related head and neck structures.
Ear Tubes
Ear tubes, also called tympanostomy tubes, pressure-equalization tubes, or PE tubes, are tiny tubes placed through the eardrum. They create a temporary…
Earwax Build-Up
Earwax normally protects the ear canal from dust, germs, and irritation while helping clean the ear as it moves outward. Sometimes earwax…
Ecthyma
Ecthyma is a bacterial skin infection that forms sores beneath thick crusts. It is commonly caused by Staphylococcus aureus or Streptococcus bacteria.…
Ectopic Pregnancy
An ectopic pregnancy happens when a fertilized egg implants outside the uterus, most often in a fallopian tube. This pregnancy cannot develop…
Eczema
Eczema is a group of inflammatory skin conditions that can cause dry, itchy, irritated, or discolored skin. Atopic dermatitis is the most…
Eczema Herpeticum
Eczema herpeticum is a rapidly spreading infection caused by herpes simplex virus, usually HSV-1 or HSV-2. The virus can enter areas affected…
Egfr Blood Test
An eGFR blood test provides an estimated measure of how well your kidneys filter waste and extra fluid from your blood. eGFR…
Enamel Hypoplasia
Enamel hypoplasia occurs when tooth enamel does not form to its normal thickness or shape, usually while a tooth is developing. This…
End Stage Renal Disease
End Stage Renal Disease (ESRD) is the most advanced stage of chronic kidney disease, when the kidneys have lost most of their…
Endocrinology & Metabolic Diseases
Diagnosis and treatment for hormone-related conditions, including diabetes, thyroid disorders, and other metabolic diseases.
Endometrial Cancer
Endometrial cancer is cancer that begins in the endometrium, the inner lining of the uterus. It is the most common type of…
