If you still have pain by 3 months, don't despair, it'll still probably get better.   However, the type of problems still present at 3 months are different than the more acute problems.  The most important things are:

bulletGet back normal posture...
bulletGet a home exercise program that helps...
bulletStrengthen weak muscles...
bulletGet home pain control strategies...
bulletFix any problem that might still be hurting...