Mouth and throat related disorders include a wide range of conditions that affect areas such as the oral cavity, pharynx, tonsils, salivary glands, and larynx. These problems can occur due to infections, inflammation, mechanical obstructions, or other diseases that affect this area. Common symptoms include pain, swelling, hoarseness, difficulty swallowing, and dry mouth. Here you will find information about common diseases and symptoms related to the mouth and throat.