Interfering with how the medicine is digested and absorbed by the body. For example, milk blocks iron absorption in the stomach. Calcium found in dairy products can bind some medications, such as iron supplements and some antibiotics (Cipro and Levaquin, a quinolone.)
Pros of elongated: much more comfortable for adults. I would definitely choose it for the master bathroom. Pros of round: easier for very young children to use due to the smaller opening in the seat. Also, there are code requirements of how much foot space you need in front of a toilet.
So what you should do is to look for a device that also works with an elongated toilet. Korky 99-4A Max Performance Plunger, Small, Black claims that it can fit in all toiletsâ shapes and sizes, which include TOTO, American Standard, and Kohler.