Your symptoms are suggestive of ? viral Pharyngitis . Tonsillitis ? inflammation of the uvula .
You need to take steam inhalation twice a day ( strictly ) .
Saline Gargles twice a day ( strictly ) .
You can take anti allergic like Cetrizine Hydrochloride (Zyrtec) 10 mg Once daily .
Also as there is associated throat Pain you can take anti inflammatory like Motrin 200 mg SOS .
If the symptoms dont subside get your throat examined .You may need antibiotics also .