 [ Symptoms ] what to do with my 4 yr old son who do not want his ears to be cleaned  it took months already and now whenever i tried to explain something to him seemed to never understand & asked me what all the time [ Disease ] hctz is a diuetic that can lower your blood pressure it should not decrease your stamina but it could be related to your light headedness with standing quickly orthostatic hypotension i would suggest that you see your medical provider    the only that prescribed the hctz    for a consultation