Symptom Information: Sort according to HPO 

1
(HPO:0004923) Hyperphenylalaninemia Very frequent [IBIS] 22729819 IBIS 7 / 7739
2
(HPO:0000252) Microcephaly 18060820 IBIS 832 / 7739
3
(HPO:0000737) Irritability 18060820 IBIS 93 / 7739
4
(HPO:0001250) Seizures 22729819 IBIS 1245 / 7739
5
(HPO:0001251) Ataxia 18060820 IBIS 413 / 7739
6
(HPO:0002066) Gait ataxia 18060820 IBIS 327 / 7739
7
(HPO:0002311) Incoordination 20059486; 22729819 IBIS 84 / 7739
8
(HPO:0001249) Intellectual disability 20059486 IBIS 1089 / 7739
9
(HPO:0001263) Global developmental delay 20059486 IBIS 853 / 7739
10
(HPO:0001270) Motor delay 20059486 IBIS 322 / 7739
11
(HPO:0001266) Choreoathetosis 16161143; 18060820 IBIS 57 / 7739
12
(HPO:0001300) Parkinsonism 20059486 IBIS 75 / 7739
13
(HPO:0001332) Dystonia 16161143; 22729819 IBIS 197 / 7739
14
(HPO:0001337) Tremor 20059486 IBIS 200 / 7739
15
(HPO:0001347) Hyperreflexia 18060820 IBIS 363 / 7739
16
(HPO:0001518) Small for gestational age 18060820; 22729819 IBIS 107 / 7739
17
(HPO:0001954) Episodic fever 18060820 IBIS 27 / 7739
18
(HPO:0002015) Dysphagia 16850690 IBIS 301 / 7739
19
(HPO:0002033) Poor suck 18060820 IBIS 37 / 7739
20
(HPO:0002063) Rigidity 20059486 IBIS 92 / 7739
21
(HPO:0002344) Progressive neurologic deterioration 20059486 IBIS 27 / 7739
22
(HPO:0006887) Intellectual disability, progressive 20059486 IBIS 68 / 7739
23
(HPO:0008936) Muscular hypotonia of the trunk 18060820; 20059486 IBIS 77 / 7739
24
(HPO:0010553) Oculogyric crisis 20059486 IBIS 5 / 7739
25
(HPO:0003781) Excessive salivation 18060820 IBIS 15 / 7739
26
(HPO:0002071) Abnormality of extrapyramidal motor function 16767663 IBIS 76 / 7739
27
(OMIM) Decreased homovanillic acid (HVA) and 5-hydroxyindoleacetic acid (5HIAA) in CSF 20059486 IBIS 3 / 7739
28
(OMIM) Increased neopterin in urine and CSF 20059486 IBIS 1 / 7739
29
(OMIM) Decreased or absent PTS activity 20059486; 22729819; 3276524 IBIS 1 / 7739
30
(HPO:0001252) Muscular hypotonia 22729819 IBIS 990 / 7739
31
(HPO:0001276) Hypertonia 22729819 IBIS 317 / 7739
32
(HPO:0002172) Postural instability 18060820 IBIS 22 / 7739
33
(HPO:0002045) Hypothermia 18060820 IBIS 27 / 7739
34
(HPO:0002329) Drowsiness 18060820 IBIS 19 / 7739
35
(HPO:0002375) Hypokinesia 18060820; 20059486 IBIS 25 / 7739
36
(HPO:0000870) Prolactin excess 20059486 IBIS 10 / 7739
37
(HPO:0002360) Sleep disturbance 20059486 IBIS 113 / 7739
38
(HPO:0003110) Abnormality of urine homeostasis 20059486 IBIS 9 / 7739
39
(HPO:0002921) Abnormality of the cerebrospinal fluid 20059486 IBIS 6 / 7739