FLORENCE TERRY GRISWOLD. What followings is an excerpt from The Pan American Round Table, Lois Terry Marchbanks, Avon Behren Press, 1983, (pp. 5-11). The history of the Pan American Round Table movement is the saga of the heart and mind of one woman, Florence Terry Griswold. She was born May 29, 1875, near Eagle Pass, Texas.
Following is a list of causes or underlying conditions (see also Misdiagnosis of underlying causes of Orthostatic hypotension) that could possibly cause Orthostatic hypotension includes: 1  Dysautonomia. 2  Dehydration. 3  Prolonged bed rest.  Addison's 1  disease. Atherosclerosis. 2  Diabetes. Shy-Drager syndrome.  See also underlying causes of hypotension.
Some medicines can cause blood pressure to drop too low. These include diuretics (water pills), beta blockers (like atenolol [brand name Tenormin] and propranolol [Inderal, Innopran XL, and more]), some Parkinson disease drugs, some antidepressants, and sildenafil (Viagra) and tadalafil (Cialis).