sick building syndrome; SBS
respiratory distress syndrome
economy class syndrome (occurrence of deep vein thrombosis in air travelers)
Asperger syndrome; Asperger's syndrome; Asperger's
sleep apnea syndrome; SAS
Tourette syndrome; Tourette's syndrome
Korsakoff's syndrome; Korsakoff's psychosis
chronic fatigue syndrome; CFS
hyperventilation syndrome
irritable bowel syndrome; IBS
Cotard's syndrome (mental disorder); Cotard's delusion
acquired immune deficiency syndrome; AIDS
premenstrual syndrome; PMS
lunchmate syndrome; mental state of being afraid of being seen eating by oneself
Marfan syndrome; Marfan's syndrome
severe acute respiratory syndrome; SARS
longing to get back in the spotlight
polycystic ovary syndrome
Sjogren's syndrome; Sjogren's disease
acute coronary syndrome; ACS
Sunday night blues; Sunday night syndrome; Sunday night depression
sudden infant death syndrome; SIDS; cot death; crib death
cold syndrome; common cold syndrome
hemolytic-uremic syndrome; HUS
primary immunodeficiency syndrome
Restless Leg Syndrome; RLS
severe fever with thrombocytopenia syndrome; SFTS
insulin-resistance syndrome
sudden infant death syndrome; SIDS
Brugada syndrome (genetic condition resulting in increased risk of sudden cardiac arrest)
cerebrospinal fluid hypovolemia; CSF hypovolemia; intracranial hypotension syndrome
primary immunodeficiency syndrome
Paris syndrome (psychological problems associated with living in Paris)
Twin-to-twin transfusion syndrome; TTTS
general adaptation syndrome
acute radiation syndrome; ARS; acute radiation sickness
Chinese restaurant syndrome; CRS
fetal alcohol syndrome; FAS
retired husband syndrome; stress syndrome resulting from one's husband being at home
kabuki syndrome; kabuki makeup syndrome
sinobronchial syndrome; SBS
sick school syndrome; medical symptoms that occur when inside a school (due to building materials, cleaning chemicals, etc.)
PET bottle syndrome; insulin deficiency allegedly caused by high consumption of drinks from plastic bottles
thoracic outlet syndrome; TOS
complex regional pain syndrome; CRPS
Middle East Respiratory Syndrome; MERS
Loeys-Dietz syndrome; LDS
Loeys-Dietz syndrome; LDS
congenital central hypoventilation syndrome; CCHS
smile mask syndrome; state of constantly smiling and suppressing one's emotions
Havana syndrome (unexplained symptoms experienced by American embassy staff)