Why do i have a nasty taste in my mouth? and how do i get rid of this?

See a dentist: The most common reason for a bad taste is beccause your mouth is unhealthy. Infections and gum disease will cause bad breath and bad tastes. See a dentist and find out exactly what is going on in your mouth and get the treatmetn you need to fix this problem. It will not get better on its own.

Good question-answer: There are lots of dental and medical causes of bad breath\ bad taste in your mouth. The most common one is poor oral hygiene\gum disease. Start by seeing your dentist for a complete and thorough exam. Your dentist may also refer you to your physician if he\she believes there are also medical causes such as gerd, post nasal drip, other medical issues.