I know on the old board, there was quite a debate about it. But, mainly, I think as long as you don't make a production of it, its fine. I have a pill I take four times a day - in the morning, at lunch, at dinner and at bedtime. I just open the little tea tin that counts as pill case on my lap, fish out the one or two I need, and just take them with water.
When I'm on road trips with friends, I try to remember to bring along a bottle of water, since eating times are usually up in the air, and my pills have to be taken about every 6 hours during the day.
Back when I was on Birth Control, if I was out when it was time to take my pill, I'd usually push it out of its little case while it was in my purse, and then just palm it. No big deal. (With BC pills, they usually need to be taken at the same time every day - so while I'd take it at "bedtime", on weekends I'd be out later.)