Overview
Inappropriate laughter is a finding that may indicate an underlying health condition requiring clinical evaluation.
Associated Conditions
Conditions associated with this symptom based on HPO disease-phenotype annotations.
Adenylosuccinate lyase deficiency
Pallidopontonigral degeneration
Angelman syndrome
Very frequent (80-99%)
Manganese pneumonitis
Frequent (30-79%)
Frontotemporal dementia
Poisoning by manganese
Frequent (30-79%)
Christianson syndrome
Frequent (30-79%)
Atypical Rett syndrome
Occasional (5-29%)
Severe intellectual disability, poor language, strabismus, grimacing face, long fingers syndrome
Occasional (5-29%)
Angelman syndrome due to maternal monosomy 15q11q13
Frequent (30-79%)
DYRK1A-related intellectual disability syndrome
Occasional (5-29%)
Early-onset calcifying leucoencephalopathy, skeletal dysplasia
Occasional (5-29%)
Progressive essential tremor, speech impairment, facial dysmorphism, intellectual disability, abnormal behavior syndrome
Occasional (5-29%)
Quick Facts
- SNOMED CT
- 247985007
- UMLS CUI
- C0424304
- Fully Specified Name
- Inappropriate laughter (finding)
- Associated Conditions
- 13
- Diagnostic Tests
- 0
This information is for educational purposes only. If you are experiencing symptoms, please consult a healthcare provider for proper evaluation and diagnosis.