I take blood pressure meds and when this has happened to me it is because my potassium is low. Please don't take this as the only reason as it is just what happens to me. He needs to get more info. from his dr.
History of Hashimoto's Thyroid Disease and Thyroid cancer. Treated with surgeries and RAI.
Type II Diabetes diagnosed April 2010
Meds: Lantus, Metformin, Levothyroxine, Lisinipril w HCZ, and Lasix.