Sore tongue is characterized by tiny, red lumps on your tongue with raised surface. Although there is no definite cause of soreness in tongue, it is commonly associated with biting on tongue or pricking the tongue with a toothbrush of toothpick. Sometimes, sore tongue is also caused by viral infections, hormonal changes, heredity, spicy foods, excessive salt intake, stress, intestinal disorders, weak immunity, and deficiency in B vitamins, zinc or folate. There are plenty of home remedies for sore tongue with which you can readily get relief. Here are some amazing home remedies for sore tongue. These home remedies will not only reduce the pain but also heal the inflammation.