Taking 12.5mg chlorthalidone, but my potassium is 3.2meq/l. my pcp is not concerned, and dismisses it. i have resistant hypertension.

Low potassium: Although measurement of blood (extracellular) potassium doesn't necessarily measure the potassium within cells, i recommend taking a potassium supplement to keep your blood potassium to at least 3.4 especially when taking Chlorthalidone since we can't know your intracellular potassium level.

Low potassium: You need to speak to your pcp about two issues. One is your potassium (k) level ask the pcp to check your magnesium (m) level. Diuretics waste (k) an m) your k will not improve until your m does, so ask about both k and m supplements. At 60 you probably need more than one BP medication and ask your pcp to see if your resistant hypertension can be controlled with more BP medications. Good luck.

Consult md: Check with your doctor to know the range of normal potassium in your labs. In certain labs, potassium of 3.2 is normal.If it is low as per your lab ranges, it needs to be corrected.