The symptoms you have mentioned can be a viral pharyngitis
. Drink plenty of warm water, try taking anti-inflammatory drugs (such as ibuprofen/diclofenac), a proton pump
inhibitor (such as pantoperazole) and do gargles with povidone iodine
mouth gargles. If symptoms do not subside please consult your ENT specialist
Any more doubts you are welcome.
Dr. Naveen Kumar