It is a nightmare when you hear or see that the water is not going down the drain. This clogged drain problem is a very common problem and happens in every household now and then. Our action or bad habits are the mostly responsible for this problem. Clogged drains mean overflowing sink or toilet, wet floor and bad smell. If you want to avoid these problems, try to prevent clogged drains at the very beginning because prevention is better than cure.Causes of Clogged DrainDrains are meant for the passing of water. But over time some garbage like oil, soaps, feminine hygiene products, diapers, hairs, vegetable residue, etc. start to accumulate in the pipe and cause hindrance in the passing of water. Sometimes we throw something by mistakes or sometimes it is the mischief of children and in the most case old age of the pipes become the cause of water clogging. Whatever may be the cause you need to get rid of it as early as possible. You can either do it of your own or you can call professional drain cleaning service to get rid of this nightmare.How to Keep Your Drain CleanAlways fix a drain strainer in the kitchen as well as in the toilet so that it does not allow unwanted objects like vegetable peel, food residue or hair in the drain. After using your sink or toilet remove the unwanted object from the strainer and throw it in the trash bean.Do not pour unused oil in your sink because grease and oil stick to the inner layer of the pipe and make problems in the free flow of water. Better pour unused oil in a sealed container and throw it in trash bean.Hair is one of the most common culprits behind clogged drains. Brush your hair just before you enter the bathroom for bathing purpose. It will help to eliminate majority of loose hair. Some hair will still fall in the time of bathing but these hair are small in number and will go out easily through the drain.Pour the bucket full of water in the mouth of each drain at least twice a week. The volume of water will help to flush out clogged items and will keep your drain clean.After finishing your cooking and all sorts of work pour a good amount of boiling hot water in your sink in the kitchen. It will help to clean grease which is a common culprit behind clogged drain.Mix 2-3 tablespoons baking soda in a cup of hot water. Pour it in the mouth of your drain. Wait for 5-6 minutes and then pour a gush of water. Baking soda is an excellent cleaning agent which not only cleans the drain; it also helps to eliminate the foul odor caused due to the unclean drain.If the water is not passing freely through your drain, pour a bottle of vinegar in the drain. Wait for 30-40 minutes and then run hot water through the drain. It helps to remove clogs and keeps your drain clean.But if you cannot keep your drain clean of your own do not hesitate to take the help of the professional plumber.