Olmesartan
"Took this for 7 months started having a swollen tongue after 2 months, then every month until 3 days ago when I had a huge mouth and throat edema. It did lower my blood pressure around 120/80 from 140/100. I was highly recommended to stop it and switch to Hydrochlorothiazide 25 mg for the next 2 months and be assessed later."