Going to England for 3 weeks to visit friends. Do not need enablex for that. But a week into that trip, will be taking a 5 day group excursion of Scotland. Do need some bladder control for a group trip. Urgency during a group trip spoils the whole thing. I want to know how I react to the drug before I leave the US. Should I start it a week or two before I leave? I have 30 pills so they should carry me thru. If I get a reaction, it would happen within the first week or so, right? Don't want to have a reaction while out of the country.