How bad do antibiotic injections hurt?

The problem with inject-able antibiotics sometimes you have to come back and take one or more injections. It doesn't act any faster. If you take a ten day span of regular antibiotics it can last up to a month in your system. It is better take the oral pills. You probably have an URI and sinus infection. You also have pharyngitis which is a viral infection and has to run its coarse. Drink plenty of water let your voice rest. See your doctor if you don't get better.What will help you right away is some nasal spray, an inhaler, something for your cough and a long acting antibiotic.