| Metadata | |
|---|---|
| ID | SYMP:0000075 |
| Name | lethargy |
| Definition | A fatigue that is characterized by abnormal drowsiness. http://www2.merriam-webster.com/cgi-bin/mwmednlm?book=Medical&va=lethargy |
| Parent Relationships |
is_a fatigue |
| Related Diseases |
has symptom |