Total 23 clinical symptoms reported for Sneddon syndrome  Very Frequent (8)Occasional (6)Frequent (9)

Arterial stenosis	Narrowing or constriction of the inner surface (lumen) of an artery.   Synonyms:Narrowing of an artery	Very frequent
Behavioral abnormality	An abnormality of mental functioning including various affective, behavioural, cognitive and perceptual abnormalities.   Synonyms:Behavioral abnormality; Behavioral changes; Behavioral disorders; Behavioral disturbances; Behavioral problems; Behavioral/psychiatric abnormalities; Behavioural/Psychiatric abnormality; Psychiatric disorders; Psychiatric disturbances	Very frequent
Cutis marmorata	A reticular discoloration of the skin with cyanotic (reddish-blue appearing) areas surrounding pale central areas due to dilation of capillary blood vessels and stagnation of blood within the vessels. Cutis marmorata generally occurs on the legs, arms and trunk and is often more severe in cold weather.	Very frequent
Memory impairment	An impairment of memory as manifested by a reduced ability to remember things such as dates and names, and increased forgetfulness.   Synonyms:Forgetfulness; Memory impairment; Memory loss; Memory problems; Poor memory	Very frequent
Migraine	Migraine is a chronic neurological disorder characterized by episodic attacks of headache and associated symptoms.   Synonyms:Intermittent migraine headaches; Migraine; Migraine headache; Migraine headaches	Very frequent
Thromboembolic stroke	A cerebrovascular accident (stroke) that occurs because of thromboembolism.	Very frequent
Vascular skin abnormality	Synonyms:Skin vascular malformation	Very frequent
Vertigo	An abnormal sensation of spinning while the body is actually stationary.   Synonyms:Dizzy spell	Very frequent