Hi,
You can ask your doctor to prescribe some antispasmodics, such as
Ditropan, for relieving the bladder spasms. If the spasms are under control even the frequency will decrease to a considerable extent.
Additionally, you can also request prescription for some low-dose sedatives, maybe from the benzodiazepine group, to get you through the first week or so. Do not continue the sedatives longer than 10-12 days as they have the potential to cause dependence.