The name Megan is an American baby name. In American the meaning of the name Megan is: Pearl. Persian Meaning: The name Megan is a Persian baby name. In Persian the meaning of the name Megan is: Child of light.
Minor infections or irritations are the most common cause of tongue soreness. Injury, such as biting the tongue, can cause painful sores. Heavy smoking can irritate the tongue and make it painful. A benign ulcer on the tongue or elsewhere in the mouth is common. This is called a canker sore and can appear for no known reason.
Learn more about hairy tongue. Lichen planus. Lichen planus is a rash-like condition that can cause tongue discoloration. Usually lichen planus on the tongue occurs as a white color. It can change green when bacteria or yeast begins to grow on it, certain foods or drinks are consumed, or certain products are used. Other symptoms of lichen planus include: