Cold and flu season is here again. Now is a good time for a reminder about the possible side effects of using o ver-the-counter cold and flu medications during work hours. Sometimes, cold remedies and work are not a good mix. The most common side effect of over-the counter cold and flu medicine is drowsiness, which lowers one's alertness and reaction time. This can be more than just an annoyance. Approximately 200,000 vehicle accidents are attributed to sleepiness every year. Taking medications then coming to work and using machinery or sharp tools, can be dangerous. So, when you are ill, what should you do? Click Here to find out.