Bitter taste implies a sharp or harsh flavor in the mouth. This is sometimes referred to as a metal mouth. Having a chronic bitter taste in your mouth can indicate one of the numerous health conditions. So, can liver problems cause a bitter taste in the mouth? What are the common reasons for bitter taste or altered taste in your mouth? For your information, services like cataract-removal surgery can change your sense of sight and your sense of taste and smell. Keep reading to find out the different causes of metal mouth, including some tips to prevent this symptom.