If you’re taking hydrochlorothiazide for high blood pressure, there are a few key things to keep in mind. This drug doesn’t just flush out sodium—it also drains potassium and magnesium, which can lead to cramps, irregular heartbeats, and even higher blood pressure. It can also weaken insulin response, nudging blood sugar up, and cause dehydration that triggers dizziness, kidney strain, and keeps blood pressure elevated. In the end, it manages symptoms without fixing why your body’s holding onto