It is not only safe to do so, but also beneficial to pour vinegar down your drain on a regular basis, as stated by drain cleaning services. It is effective as a natural cleaning solution and has the capacity to eradicate obstacles in addition to hazardous germs that are the source of bad odors.
Call a plumber and have them come out.
Even though it is theoretically possible for you to remove some of the smaller obstructions in the sewage system on your own, it is normally not recommended that you do so. The majority of clogs in sewage lines are caused by broken pipes, tree roots, and other problems that occur deep within your plumbing system. Because of this, attempting to fix these problems on your own can provide a number of challenges.