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The Rare Disease Search Engine is specialized search engine using Google's co-op program combined with a narrowed field of search to eliminate useless results that would normally complicate one's search for needed information.

To Search: simply begin typing in the name of the condition you wish to find. Results matching the partial name will be returned. The results will search through the name, abbreviation and alternate names of all conditions we have in our database. The results that are returned will be links to search results of a narrowed, filtered web search of only those sites that offer reliable, focused information on rare diseases. Hovering over the condition name will display a ist of alternate names on file.

Find diseases that begin with: ABCDEFGHIJKLMNOPQRSTUVWXYZ

Saethre Chotzen Syndrome Sakati Syndrome Sandhoff Disease Santavuori Disease Sarcoidosis Scapuloperoneal Myopathy Schindler Disease Schinzel Giedion Syndrome Schinzel Syndrome Schinzel Type Acrocallosal Syndrome Schmid Type Metaphyseal Chondrodysplasia Schwartz Jampel Syndrome Scleroderma Scott Craniodigital Syndrome Seborrheic Keratosis Seckel Syndrome Secondary Pulmonary Hypertension Selective Mutism Sennetsu Fever Serpiginous Choroiditis Setleis Syndrome Severe Chronic Neutropenia Severe Combined Immunodeficiency Sheehan Syndrome Short Chain Acyl CoA Dehydrogenase DeficiencySHORT Syndrome Shwachman Syndrome Sialadenitis Sialidosis Sickle Cell Disease Sideroblastic Anemias Simian B Virus Infection Simpson Dysmorphia Syndrome Singleton Merten Syndrome Sinonasal Undifferentiated Carcinoma Sirenomelia Sequence Sjogren Larsson Syndrome Ichthyosis Sjogren Syndrome Skin Cancers Sleep Apnea Sly Syndrome Smallpox Smith Lemli Opitz Syndrome Smith Magenis Syndrome Sneddon Syndrome Sotos Syndrome Spasmodic Dysphonia Spasmodic Torticollis Spina Bifida Spinal Muscular Atrophy Spinal Stenosis Split Hand/Split Foot Malformation Spondyloepiphyseal Dysplasia Tarda Sprengel Deformity Squamous Cell Carcinoma Stevens Johnson Syndrome Stickler Syndrome Stiff Person Syndrome Sturge Weber Syndrome Stuve-Wiedemann Syndrome Subacute Cerebellar Degeneration Subacute Sclerosing Panencephalitis Succinic Semialdehyde Dehydrogenase DeficiencySudden Infant Death Syndrome Summitt Syndrome Susac Syndrome Sutton Disease II Sweet Syndrome Sydenham's Chorea Symptomatic Pineal Cysts Syringobulbia Syringomyelia