How long does it take for the cure for phimosis to work?

Phimosis cure? If you are talking about circumcision, the effect is inmediate. If you are talking about pain and discomfort, depends on your threshold for pain, 1-2 weeks. Resuming intercourse 4-6 weeks.
Circ / steroid cream. Circumcision is the absolute cure for phimosis and then works for all purposes once healing is complete after 2 - 3 weeks. Prescription strength steroid cream applied twice daily to tight area of foreskin, only works in absence of scarring. Will take 1 - 3 months & later may well recur.