Slit in the back of throat with swollen tonsils and soar throat what could it be?

Pharyngitis: sore throats are typically infectious causes. Most commonly it is due to a viral infection. common cold symptoms often accompany the sore throat. cough, runny nose, sneezing etc. bacterial causes like strep usually lack cough, hoarseness, nasal running or congestion. time is the best management. for symptoms relief, lozengers, salt water gargles, NSAIDS sparingly can help.