Swollen and sore throat with low fever symptoms are generally considered to be caused by acute upper respiratory tract infections, such as acute pharyngitis, acute tonsillitis or purulent tonsillitis, and throat ulcers, therefore, timely laryngoscopy needs to be improved as follows: 1. Acute pharyngitis, acute tonsillitis: If it is acute pharyngitis or acute tonsillitis, most of them are caused by viral infections, and ibuprofen can be used to 2, throat ulcers, purulent tonsillitis: if the throat ulcers or purulent tonsillitis, there is often bacterial infection, you can use antibiotics for treatment, such as amoxicillin clavulanic acid potassium or cefalexin, cefuroxime and other drugs for treatment and relief.