Fast Facts. Location: Joint Base San Antonio (JBSA) is situated in San Antonio, (Bexar County), the seventh largest city and known as Military City USA.. Encompassing JBSA are Fort Sam Houston, Lackland Air Force Base and Randolph Air Force Base, three separate installations.
This list is incomplete and various other drugs or substances may cause your symptoms (see Irregular heartbeat). Always advise your doctor of any medications or treatments you are using, including prescription, over-the-counter, supplements, herbal or alternative treatments. 1  Aldazine. 2  Amphetamine Sulfate. 3  Anatensol.
Some medications can cause missed periods. The most common cause of missed periods due to medications is the use of contraceptives. Oral contraceptives or birth control pills like Yaz, Seasonale, or Lybrel can affect the regularity of a woman's period and lead to missed periods or irregular menstrual flow.