welcome to health care magic
This urgency of micturition is an anxiety
symptom. Best way to stop it, is control over it. for your tomorrow function you can try two things
1. don't drink any thing for at least two hours prior to funeral.
2. if you don't have any medical illness then tablet Inderal
5 mg may be helpful as i dampens anxiety symptoms.
after this you should think of permanent management.
1. You should increase your holding duration gradually.
2. You frequent trap yourself in situations in which it is not possible to use toilets frequently. You will feel that initially you feel intense desire for it, but gradually you develop control. You can use this funeral as first step in your treatment.
best of luck, have a happy and calm bladder