I have taken pseudoephedrine twice now. I've been having terrible sinus problems, so that was the main purpose of me taking it. However I have to tell you, it does something else for me and actually makes me feel almost normal for a few hours. Last night when I took my vitals standing it was 106/75, 86 heart rate... I guess it's vasoconstricting something in my body. I don't tend to have blood pooling in my feet, so maybe it's somewhere else? I know most people on here avoid this med because it