Symptom Information: Sort according to HPO 

1
(HPO:0001387) Joint stiffness Occasional [Orphanet] 322 / 7739
2
(HPO:0003202) Skeletal muscle atrophy Occasional [Orphanet] 281 / 7739
3
(HPO:0003326) Myalgia Occasional [Orphanet] 143 / 7739
4
(HPO:0002093) Respiratory insufficiency Occasional [Orphanet] 410 / 7739
5
(HPO:0001276) Hypertonia Very frequent [Orphanet] 317 / 7739
6
(HPO:0001324) Muscle weakness Occasional [Orphanet] 859 / 7739
7
(HPO:0003712) Skeletal muscle hypertrophy Occasional [Orphanet] 42 / 7739
8
(HPO:0002099) Asthma Occasional [Orphanet] 62 / 7739
9
(HPO:0001608) Abnormality of the voice Occasional [Orphanet] 126 / 7739
10
(HPO:0100749) Chest pain Occasional [Orphanet] 92 / 7739
11
(HPO:0003394) Muscle cramps Very frequent [Orphanet] 106 / 7739
12
(HPO:0000597) Ophthalmoparesis Occasional [Orphanet] 71 / 7739
13
(HPO:0000470) Short neck Occasional [Orphanet] 345 / 7739
14
(HPO:0002486) Myotonia Very frequent [Orphanet] 29 / 7739
15
(HPO:0001288) Gait disturbance Occasional [Orphanet] 318 / 7739
16
(HPO:0002015) Dysphagia Occasional [Orphanet] 301 / 7739
17
(HPO:0003307) Hyperlordosis Occasional [Orphanet] 122 / 7739
18
(HPO:0004322) Short stature Occasional [Orphanet] 1232 / 7739
19
(HPO:0003457) EMG abnormality Frequent [Orphanet] 78 / 7739
20
(HPO:0000286) Epicanthus Occasional [Orphanet] 371 / 7739
21
(HPO:0000366) Abnormality of the nose Occasional [Orphanet] 56 / 7739
22
(HPO:0000343) Long philtrum Occasional [Orphanet] 262 / 7739
23
(HPO:0003552) Muscle stiffness 23 / 7739
24
(HPO:0010307) Stridor 19 / 7739
25
(OMIM) Apnea, episodic, neonatal 6 / 7739
26
(OMIM) Laryngospasm, neonatal 4 / 7739
27
(OMIM) Myotonia, potassium-sensitive (may be responsive to acetazolamide) 4 / 7739
28
(OMIM) Muscle weakness usually does not occur 4 / 7739
29
(OMIM) Cold sensitivity has been reported 4 / 7739
30
(OMIM) EMG in myotonia permanens shows continuous myotonic activity 4 / 7739
31
(OMIM) Serum creatine kinase may be increased 6 / 7739
32
(HPO:0000277) Abnormality of the mandible Occasional [Orphanet] 394 / 7739
33
(HPO:0012758) Neurodevelopmental delay Occasional [Orphanet] 949 / 7739
34
(HPO:0030089) Abnormal muscle fiber protein expression Frequent [Orphanet] 64 / 7739