Fatigue, weakness, nausea, and low blood pressure are common symptoms of low cortisol levels. A woman may also experience irregular periods or missed periods, while a man may experience erectile dysfunction.
Inder, W. J., Dimeski, G., & Russell, A. (2012). Measurement of salivary cortisol in 2012 – laboratory techniques and clinical indications. Clinical endocrinology, 77(5), 645–651. https://doi.org/10.1111/j.1365-2265.2012.04508.x
