Symptom Information: Sort according to HPO 

1
(HPO:0004337) Abnormality of amino acid metabolism Very frequent [IBIS] Very frequent [Orphanet] 23622399 IBIS 45 / 7739
2
(HPO:0004920) Phenylpyruvic acidemia Very frequent [IBIS] 23622399 IBIS 3 / 7739
3
(HPO:0004923) Hyperphenylalaninemia Very frequent [IBIS] 23622399 IBIS 7 / 7739
4
(HPO:0001249) Intellectual disability Frequent [IBIS] 23622399 IBIS 1089 / 7739
5
(HPO:0001273) Abnormality of the corpus callosum Frequent [IBIS] 26425393 IBIS 20 / 7739
6
(HPO:0010994) Abnormality of the striatum Frequent [IBIS] 26425393 IBIS 2 / 7739
7
(HPO:0003429) CNS hypomyelination Frequent [IBIS] 26425393 IBIS 21 / 7739
8
(HPO:0002180) Neurodegeneration Frequent [IBIS] 26425393 IBIS 31 / 7739
9
(HPO:0012099) Abnormality of circulating catecholamine level Frequent [IBIS] 26425393 IBIS 2 / 7739
10
(HPO:0030680) Abnormality of cardiovascular system morphology Occasional [Orphanet] 355 / 7739
11
(HPO:0000252) Microcephaly 832 / 7739
12
(HPO:0000518) Cataract 454 / 7739
13
(HPO:0000635) Blue irides 25 / 7739
14
(HPO:0000709) Psychosis 61 / 7739
15
(HPO:0000718) Aggressive behavior 109 / 7739
16
(HPO:0000742) Self-mutilation 27 / 7739
17
(HPO:0001218) Autoamputation 10 / 7739
18
(HPO:0100716) Self-injurious behavior 43 / 7739
19
(HPO:0000722) Obsessive-compulsive behavior 35 / 7739
20
(HPO:0000739) Anxiety 67 / 7739
21
(HPO:0000958) Dry skin 152 / 7739
22
(HPO:0000964) Eczema 81 / 7739
23
(HPO:0001250) Seizures 1245 / 7739
24
(HPO:0001347) Hyperreflexia 363 / 7739
25
(HPO:0002286) Fair hair 20 / 7739
26
(HPO:0002514) Cerebral calcification 89 / 7739
27
(HPO:0005982) Reduced phenylalanine hydroxylase activity 2 / 7739
28
(HPO:0007018) Attention deficit hyperactivity disorder 56 / 7739
29
(HPO:0007513) Generalized hypopigmentation 12 / 7739
30
(HPO:0100324) Scleroderma 6 / 7739
31
(OMIM) [DEL]Decreased mental processing speed 2 / 7739
32
(OMIM) Infantile irritability 3 / 7739
33
(OMIM) [DEL]Peculiar gait (if left untreated) 2 / 7739
34
(OMIM) Peculiar stance and sitting posture (if left untreated) 2 / 7739
35
(OMIM) [DEL]Limb posturing (if left untreated) 2 / 7739
36
(OMIM) Purposeless movements (if left untreated) 2 / 7739
37
(HPO:0001327) Photomyoclonic seizures 125 / 7739
38
(OMIM) [DEL]Defective myelin formation (if left untreated) 2 / 7739
39
(HPO:0000752) Hyperactivity 140 / 7739
40
(OMIM) [DEL]Autistic features 43 / 7739
41
(OMIM) [DEL]Social sensitivity 2 / 7739
42
(HPO:0000716) Depression 99 / 7739
43
(OMIM) Defects in executive function 2 / 7739
44
(OMIM) [DEL] Maternal hyperphenylalaninemia teratogenic 2 / 7739
45
(OMIM) Increased urinary o-hydroxyphenylacetic acid, phenylpyruvic acid, phenylacetic acid and phenylacetylglutamine 2 / 7739
46
(HPO:0012758) Neurodevelopmental delay Frequent [Orphanet] 23622399 IBIS 949 / 7739