Hi and welcome to AF forum. I also am a postpartum sufferer, and too had it occur a few weeks after the birth with a not that hard BM. Not sure about you but it was quite a shock when the pain first hit as it seemed to have come from nowhere.
How soft are you managing to keep your stools? It took me while to get them soft enough to see any real healing progress as I am breastfeeding too. I take lactulose and magnesium, drink 6 L of water a day and eat mostly soluble fibre.
I've just been prescribed Lignocaine gel which I insert up prior to a BM, as it is numbing I am more relaxed down there during the day and the blood flows better and therefore better healing. I've felt a lot better using the Lignocaine gel, it's meant to be used for the urethra and comes in a handy syringe. It's not subsidised where I live but worth it. I also warm a wheat bag and sit on it every time I am breastfeeding, again is soothing and helps the blood flow.
I would encourage you to do as much as possible as soon as possible to help the healing process. The less scar tissue that builds up the more easily you will heal. Someone told me that 5 months is the average healing time.
Hope this helps, it's great you've got diltiazam already and have seen a surgeon.
