I have been taking losartan100m g/hctz 25mgfor more than 1 week now,since then I m experiencing to feel tired,dizzy,lightheadedness and having trouble sleeping.I didn t inform my doctor regarding this matter because I want to wait or observe for a few days more if nothing change.Aside from this medication ,I m taking bystolic 5mg daily and I m diabetic taking metformin,glipizide and Januvia.Do I need to tell my doctor about this?