Yep, it did 4 me for about 6 nights; it can cause aggravation if the area is very dry and sore. How far up are you inserting the applicator to deliver the product?
Some ladies find that 'yes' or 'sylc' products help as well. There are good web-sites. If I get the nip when I stop passing urine, I take 2 Nurofen 3 times a day to relieve the spasm.