Hi welcome to the health care magic Streptococcus pharyngitis cam lead stinging sensation in throat.... So according to throat swab culture report appropriate antibiotic course given Usually amoxiclav antibiotic of choice and complete it s course Take one tsp turmeric powder with milk daily Salt water gargles done.. Drink more water You can take Vitamin C lozenges tablets for few days If still no improvement than further examination and Auscultation done and also acid reflux should be ruled out.. If reflux history positive than yes it can lead throat irritation for which omeprazole given Take care