Menu
Verywell Health
Types of Rare Diseases
Health A-Z
COVID-19
Arthritis
Type 2 Diabetes
Heart Disease
Digestive Health
Multiple Sclerosis
View All
Prevention & Treatment
COVID-19 Vaccines
Vaccines
First Aid
Surgery
Supplements
Healthy Aging
View All
Health Care
Health Insurance
Public Health
Patient Rights
Health Technology
Caregivers & Loved Ones
End of Life Concerns
View All
News
COVID-19
Health News
Tools & Resources
COVID-19 Vaccine Distribution Tracker
Thyroid Test Analyzer
Doctor Discussion Guides
Hemoglobin A1c Test Analyzer
Lipid Test Analyzer
Complete Blood Count (CBC) Analyzer
Healthy Conversations Coach
About Us
Editorial Process
Medical Review Board
Search
Search
Clear
GO
More in Rare Diseases
Types
Genetic Disorders
Tools & Resources
COVID-19 Vaccine Distribution Tracker
Thyroid Test Analyzer
Doctor Discussion Guides
Hemoglobin A1c Test Analyzer
Lipid Test Analyzer
Complete Blood Count (CBC) Analyzer
Healthy Conversations Coach
Coronavirus vs. Flu
How to Properly Use Hand Sanitizer
Tobacco: New Legal Minimum Age
Best OTC Flu Meds
Who Should Wear Medical Masks?
COVID-19 Timeline
Health A-Z
COVID-19
Arthritis
Type 2 Diabetes
Heart Disease
Digestive Health
Multiple Sclerosis
View All
Prevention & Treatment
COVID-19 Vaccines
Vaccines
First Aid
Surgery
Supplements
Healthy Aging
View All
Health Care
Health Insurance
Public Health
Patient Rights
Health Technology
Caregivers & Loved Ones
End of Life Concerns
View All
News
COVID-19
Health News
View All
About Us
Editorial Process
Privacy Policy
Contact Us
Visit our other Verywell sites:
Verywell Fit
Verywell Mind
Verywell Family
Ⓒ 2021 About, Inc. (Dotdash) — All rights reserved
Health A-Z
Rare Diseases
Types of Rare Diseases
From the lujo virus to POEMS syndrome, there are uncommon diseases about which it can be tough to find reliable information. Learn more about the causes, diagnosis, and treatment of rare diseases.
Methylmalonic Acidemia With Homocystinuria: Symptoms, Causes, and Treatment
Medically reviewed by Cristian Zanartu, MD
Sarcoidosis: Overview, Treatment, and More
Medically reviewed by Sanja Jelic, MD
Ribbing Disease: Overview and More
Medically reviewed by Elizabeth Molina Ortiz, MD, MPH
What Is an Urachal Remnant?
Medically reviewed by Jonathan B. Jassey, DO
Congenital Hyperinsulinism: Overview and More
Medically reviewed by Jonathan B. Jassey, DO
Susac Syndrome: Overview and More
Medically reviewed by Jenny Sweigard, MD
Hypoplastic Left Heart Syndrome: Overview and More
Medically reviewed by Jonathan B. Jassey, DO
Black Lung Disease: Symptoms, Causes, Diagnosis, and Treatment
Medically reviewed by Cristian Zanartu, MD
Hypophysitis: Symptoms, Causes, Diagnosis, & Treatment
Medically reviewed by Lindsey Waldman, MD, RD
Fatal Familial Insomnia: Symptoms, Causes, Diagnosis, and Treatment
Medically reviewed by Kashif J. Piracha, MD
Oculocutaneous Albinism: Symptoms, Causes, Diagnosis, and Treatment
Medically reviewed by Casey Gallagher, MD
Erythromelalgia: Symptoms, Causes, Diagnosis, and Treatment
Medically reviewed by Elizabeth Molina Ortiz, MD, MPH
Relapsing Polychondritis: Symptoms, Causes, Diagnosis, Treatment
Medically reviewed by Anita C. Chandrasekaran, MD, MPH
Melkersson Rosenthal Syndrome: Symptoms and Treatment
Medically reviewed by Claudia Chaves, MD
An Overview of Growth Hormone Deficiency in Children
Medically reviewed by Rony Kampalath, MD
Maffucci Syndrome: Symptoms, Diagnosis, Treatment
Medically reviewed by Jason DelCollo, DO
Carotidynia: Symptoms, Causes, Diagnosis, and Treatment
Medically reviewed by Kashif J. Piracha, MD
List of Neglected Tropical Diseases
Medically reviewed by Jason DelCollo, DO
What to Know About Morgellons Disease
Medically reviewed by Richard N. Fogoros, MD
Frey Syndrome or Gustatory Sweating Overview
Medically reviewed by Nicholas R. Metrus, MD
Research Advances in Idiopathic Pulmonary Fibrosis (IPF)
Medically reviewed by Lauren Schlanger, MD
MELAS Syndrome Symptoms and Treatment
Medically reviewed by Claudia Chaves, MD
Diagnosing and Treating Granulomatosis with Polyangiitis
Medically reviewed by Jason DelCollo, DO
Most Common Types of Dwarfism
Medically reviewed by Sarah Rahal, MD
Learn About The Elephant Man, Joseph Merrick
Fact checked by Sheeren Jegtvig
Is Rain Man Syndrome Real?
Medically reviewed by Rochelle Collins, DO
Hurler Syndrome (MPS I Disease) Symptoms and Treatment
Medically reviewed by Kashif J. Piracha, MD
Bubonic Plague: Overview and More
Medically reviewed by Rochelle Collins, DO
ITP: Symptoms, Causes, Diagnosis, and Treatment
Medically reviewed by Isaac O. Opole, MD, PhD
Learn About Multiple System Atrophy
Medically reviewed by Diana Apetauerova, MD
MMIHS: Symptoms, Causes, Diagnosis, and Treatment
Medically reviewed by Richard N. Fogoros, MD
An Overview of Proteus Syndrome
Medically reviewed by Rochelle Collins, DO
Congenital Defect Prune Belly Syndrome in Babies
Medically reviewed by Rochelle Collins, DO
What Is Progressive Supranuclear Palsy?
Medically reviewed by Claudia Chaves, MD
Fitz Hugh Curtis Syndrome Symptoms and Diagnosis
Medically reviewed by Rochelle Collins, DO
Pulmonary Fibrosis Alternative Medicine Treatment
Medically reviewed by Sanja Jelic, MD
Myasthenia Gravis: Overview and More
Medically reviewed by Diana Apetauerova, MD
Granuloma Symptoms and Related Conditions
Medically reviewed by Jason DelCollo, DO
How to Protect Yourself From Hamburger Disease
Medically reviewed by Andy Miller, MD
The Minamata Disaster and the Disease That Followed
Medically reviewed by Michael Menna, DO
Prosopagnosia Causes and Treatment
Medically reviewed by Carly Snyder, MD
Congenital Central Hypoventilation Syndrome
Medically reviewed by Brian Levine, MD
An Overview of Scleredema: Hardening of the Skin
Medically reviewed by Leah Ansell, MD
What Is Charcot-Marie-Tooth Disease?
Medically reviewed by Shaheen Lakhan, MD, PhD
Health Issues Faced by the Children of Chernobyl
Fact checked by James Lacy
Arthrogryposis Multiplex Congenita Causes and Treatment
Medically reviewed by Kashif J. Piracha, MD
Krabbe Disease Symptoms and Treatment
Medically reviewed by Claudia Chaves, MD
Aplasia Cutis Congenita Symptoms and Treatment
Medically reviewed by Casey Gallagher, MD
Toxic Epidermal Necrolysis (TEN)
Medically reviewed by Casey Gallagher, MD
Hemosiderosis Symptoms and Treatment
Medically reviewed by Keri Peterson, MD
Eosinophilia-Myalgia Syndrome Symptoms and Treatment
Medically reviewed by Rochelle Collins, DO
Zellweger Syndrome Causes and Symptoms
Medically reviewed by Jason DelCollo, DO
Kikuchi Disease Symptoms and Treatment
Medically reviewed by Isaac O. Opole, MD, PhD
Diamond Blackfan Anemia: Overview and More
Medically reviewed by Chris Vincent, MD
Overview of Reflex Sympathetic Dystrophy (RSD)
Medically reviewed by Keri Peterson, MD
Goodpasture Syndrome: Disease of the Lungs and Kidneys
Medically reviewed by Kashif J. Piracha, MD
Pseudoachondroplasia: Symptoms, Causes, and Diagnosis
Medically reviewed by Kashif J. Piracha, MD
An Overview of Propionic Acidemia
Medically reviewed by Cristian Zanartu, MD
Moebius Syndrome: Symptoms, Causes, and Treatment
Medically reviewed by Caitilin Kelly, MD
Hypopituitarism: Symptoms, Causes, Diagnosis, Treatment
Medically reviewed by Do-Eun Lee, MD
Facts About Leprosy (Hansen's Disease)
Medically reviewed by Anita Sadaty, MD
An Overview of Inclusion Body Myositis
Medically reviewed by Rochelle Collins, DO
Parry Romberg Syndrome: Symptoms, Causes, and Treatment
Medically reviewed by Caitilin Kelly, MD
Yaws: Symptoms, Causes, Diagnosis, and Treatment
Medically reviewed by Jason DelCollo, DO