The patient who seeks advice because he feels weak and tired seldom realizes the complexity of the problem he presents to his physician. Unless he fears carcinoma or tuberculosis or is the type of person who enjoys receiving medical attention, he may think that he need not take up much of the physician's time for examination. All that he desires is a recommendation of a good tonic or vitamin preparation. Actual experience with the problem shows that there may be need for investigation utilizing all the resources of medical science.
In a study recently reported elsewhere1 an analysis was made of the findings in 300 cases in which examination was requested because of a complaint of weakness, fatigue or weak spells. Physical disorders were found to explain the complaint in 20 per cent; nervous conditions were held responsible in 80 per cent.The diagnosis of the physical disorders
ALLAN FN. THE CLINICAL MANAGEMENT OF WEAKNESS AND FATIGUE. JAMA. 1945;127(15):957-960. doi:10.1001/jama.1945.02860150001001