This drug, often abbreviated HCTZ, removes potassium as well as sodium from the blood. This lowers the fluid pressure in the arteries.

However, many people do not eat as they should and may be low or marginally low in potassium already. Sudden tiredness on a diuretic usually means low potassium.

So eat potassium rich foods....a V8 has a good amount per can.
People need 4500mg a day, and often may get 3000 or less.
If you have loose stools or diarrhea you can lose a lot of potassium also in a short time.

http://www.health.com/health/gallery...721159,00.html

Gatorade is NOT a good source so don't even think about it. Oranges and bananas, and cantaloupe are much better.

There are websites that give the contents of nutrients in foods like this good one:
http://nutritiondata.self.com/
Just make sure you pay attention to the serving size.

If you continue to feel awful, do contact your doctor. Some people may get sun reactions (photosensitivity) to this drug, or be allergic to it.