A sore tongue can be caused by dehydration, fever and dry mouth, while a sore mouth can be the result of burning mouth syndrome, explains MedicineNet. Sometimes referred pain causes a sore mouth. When this occurs, a problem with the jaw or teeth manifests as mouth pain.
A white tongue and dryness of the mouth may be indications of conditions such as dehydration or oral thrush according to MedicineNet.com. Smoking, certain medications, and illnesses during which patients don't speak or eat for long periods also cause these symptoms.
Burning mouth syndrome, or BMS, causes a burning tongue and a dry mouth, according to MedicineNet. This condition can be a symptom of other conditions or have no known cause. The latter is known as primary BMS, the former as secondary BMS.
Causes of tongue sores include mouth ulcers, smoking, certain medications and certain medical conditions, states WebMD. Inflammation, viral infection (especially in children) and nerve irritation can also result in the problem. Injury and trauma can cause sores on the tongue as well, notes Healthgra
Remedies for a sore tongue include over-the-counter pain medications or leaving the sore alone and allowing it to resolve itself, states Healthline. Remedies depend on the cause of the pain.
Treatment for sores, particularly canker sores found on the tongue's surface, involve taking over-the-counter medications, applying topical medications and using a prescription mouth rinse. As of 2015, a cure for canker sores remains unknown, states WebMD.
A dry, red or cracked tongue is a symptom of a general condition called "dry mouth," according to WebMD. Other symptoms of dry mouth include chapped or cracked lips and excessive thirst.
Avoiding citrus fruits and juices, salty or spicy foods, acidic foods, carbonated and caffeinated beverages, and alcohol prevents a sore tongue, mouth or throat from getting worse, according to PearlPoint Cancer Support. It is also best to avoid hot foods to reduce discomfort while eating.
Swirling warm salt water around in the mouth treats canker sores on the tongue, according to Dr. Harold Katz. Another treatment consists of mixing milk of magnesia with hydrogen peroxide in a one-to-one ratio and applying this mixture to the ulcer three times daily.
Studies suggest that several combined factors cause mouth sores, according to Mayo Clinic. Injuries to the mouth, stress, not getting enough nutrients and food sensitivities are all common causes.