Very good article lays out information & remedies.

https://www.dogsnaturallymagazine.com/anal-gland-problems/

MORE RESOURCES

Should You Express Your Dog’s Anal Glands?

Analysis by Dr. Karen Shaw Becker

https://healthypets.mercola.com/sites/healthypets/archive/2021/05/12/anal-sac-disorder-dogs.aspx?ui=4db9e7f30c878039ef8727cb6fd3e4215e961c751c2a8f8b169679f987c60292&sd=20151209&cid_source=petsnl&cid_medium=email&cid_content=art1HL&cid=20210512Z1&mid=DM873623&rid=1155455896