Thanks for sharing your concern.
your history suggests that you have viral fever
Do not worry it will subside , as it has its own course.
Meanwhile you can do these following things immediate relief.
1.Local application of dologel on tongue might help in reducing soreness.
2.Antipyretics can be taken for raised temperature.
3.Do frequent warm saline rinses to reduce oral infection.
4.you can approach a physician for the treatment of your rhinitis
Most importantly take good nutritious diet for faster recovery.
Hope it helps.