Anything that gets accumulated in your drain line over time and starts to hinder the flow of water ends up clogging your drain. The issues that follow up with clogged drains are countless. Besides the really bad odor is creates a clogged drain also has dried up stuff which is not only unpleasant to look at but also creates health problems for people living in your home.
Clogged drains are something you should fix as soon as possible. Although if your problem is not being solved through drain cleaners then it is time that you call your plumber.
Also keep in mind that if you are using a drain cleaner, never purchase a liquid drain cleaner. Liquid drain cleaners are harmful and can corrode the pipes from within and will eventually cause a lot of damage.
It is essential that you maintain your drains regularly so that you do not have to face the problem of a clogged drain. If you notice that the flow of water down the drain has slowed down even just a tad bit you should clean your drain to prevent debris from accumulating any further so that it does not end up getting clogged. You can also consult your plumber for tips on how you can prevent clogged drains and what you should do if you eventually do end up with one.
There are many different DIY techniques for drain cleaning, baking soda, and vinegar being the most popular one among all. While it works really well in some cases it does not help in extreme cases.