Symptom: Lethargy

Lethargy: Feeling tired or sluggish
Introduction: Lethargy is a fairly imprecise description of the feeling or slowness, sluggishness, tiredness, or lack of energy. Lethargy in common usage may mean many things, including fatigue, drowsiness (sleepiness), lethargy, tiredness, malaise, listlessness, or weakness (including muscular weakness). The causes of these other similar symptoms also need to be investigated in researching a symptom of lethargy. Nevertheless, any type of lethargy symptom can indicate a serious medical condition and needs prompt medical investigation.

Detailed cause information for symptom: Lethargy:

Medical conditions causing symptom: Lethargy (36 conditions)

Medical articles on symptoms: These general medical articles may be of interest:

Symptoms of the Silent Killer Diseases
Symptoms and Medical Malpractice
Medical mistakes and their rates, causes and prevention
Deaths and sudden death

Symptoms related to Lethargy: fatigue (232), malaise (61), drowsiness (51), prostration (16), listlessness (6), weakness (227), tired (73), sleepiness (51)
Lethargy type of: Fatigue (232)
Symptoms: symptom center, symptom groups, symptom descriptions

Conditions listing symptoms: Lethargy: The following list of conditions have 'Lethargy' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.