might have been. I would go to the hospital to check for sure. Always get a professionals quote. But usually I don't think it would cause anything serious. Chances are that your body just wasn't in the mood for alcohol. Most people find that usually they can easily handle a certain amount of alcohol but sometimes have off-days where even a small amount is too much for them. No your drink was not spiked it just not a good idea to mix your drinks - there is always the possibility that it will wipe your memory. It took me a long time to realise that the only time I can't remember things the next day is when I have mixed drinks. And do you really think a woman was drugging you?