Medically reviewed by Anju Goel, MD QID and Q6H are both medical abbreviations used on prescription medications. QID ...

Penicillamine Adults: 750–1500 mg divided BID – QID (~20 mg/kg/d to maximum 2 g/d) Fever Free Cu 5–15 μg/dL Adults and children: 15 mg/kg/d Note: requires supplemental pyridoxine, and dose ...

But now, its my money (I'm retired) so ETFs like ProShares UltraShort QQQ (NYSEARCA:QID) is very much front of mind. I own a small position in a trading account. But if QQQ goes from tipping over ...