Constipated here. If I go twice a week it's a wow, once a week is more like it. I get no pain, it just is big and hard and can be impacted. DH puts Benefiber in my coffee each morning, If it's just not happening eating an apple helps and if that doesn't, Miralax (a gentle Laxative). I also think I don't eat enough. On a cruise ship, eating big meals and food 24/7 I was mre regular. My nurse Practioner at neurologist's (MS specialized place)Said prune juice, applesauce and bran flakes mixed it. Yucky taste but does help, Retraining bowels is good, don't want to depend on drugs. Plum Smart (A drink can help. He should see a gastrologist also. My cleaning lady was a practical nurse once, reciommends putting vaseline in opening to help slip it out. Have never tried.
Fiber, bulk, water, see a gastrologist.