Types of throat infections range from a simple sore throat to a more serious one called strep throat. There is also laryngitis, tonsillitis and an upper respiratory infection can spread to the throat. Sinus infections also make the throat irritated and result in a throat infection. Throat and upper respiratory infections should be checked out by a physician as soon as the symptoms appear to avoid a worse condition. You can find more information here: http://www.medicinenet.com/strep_throat/article.htm
