Since your case has not been posted here on the forum its difficult to give an answer specific to you.
Yes many times its not the first prescription that alters the patient towards healing,sometimes it takes a few months of constant case analysis.There might be some deep seated layers to address.Dont give up-
Another factor is the well indicated correct potency- This must be dead-on. Many say "oh it does not matter what the potency is ,you only need to find the correct remedy".....................I disagree 100%. The correct potency MUST be found for the well indicated remedy to work.
Our vital force resonates with only certain notes(potencies).