A member asked:

Extreme fatigue . comes onset suddenly . what could be the cause? no other symtons besides maybe lack of appetite

4 doctors weighed in across 2 answers
Dr. Clarence Grim answered

Specializes in Endocrinology

Sudden fatigue: Many causes but tell your Dr in exact detail what it is that is happening. Causes could be low blood potassium, sugar, Addison's disease but not enough information.

Answered 1/8/2016

1.7k views

Thank
Dr. Bernard Seif answered

Specializes in Clinical Psychology

Sudden fatigue: MAY be related to fluctuations in blood sugar or thyroid. Please see your doc. Peace and good health.

Answered 10/15/2017

1.7k views

Thank

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