Eric-
You're right that diuretics have been the mainstay of treatment for hypertension, and are often, (if tolerated well and giving good BP control), the only drug one might need. However, they are not without side effects for many people, mainly serious fluid and electrolyte imbalance, with particular problems regarding potassium loss.
I'm just going to cut to the chase here...the class of anti-hypertensives that have virtually NO side effects are the angiotensin 2 receptor blockers, (ARBs). BRAND names include Cozaar, Benicar, Diovan, Atacand, Avapro, Micardis, Teveten et al. (All the ARBs' generic versions end with the suffix "sartan", e.g. Diovan is generic valsartan).
Given that your #s are not sky high, I would discuss with your doctor the possibility of going with one of these.
I had similar #s to yours and at first was put on diuretics but my potassium plunged to rock bottom even though this particular diuretic had a potassium-sparing component already built into it AND I also took a separate potassium supplement. Felt lousy. Doc pulled me off it after one month.
Next came a beta blocker...again, very good at BP control but felt like a zombie with fatigue and depression (two of the biggest side effects of this class of drug). Given you suffer from a "mixed" mood disorder, this may not be the way to go for you to go, although if you JUST had anxiety, betas often help it!
Tried ACE inhibitors, and while these are great at reducing BP, I developed what is known as The Cough..a very common side effect.
I'm sure you'll get some input from others here on the board.
I myself ended up on Diovan...have great BP control and no side effects whatsoever.
Good luck!
zuzu xxx