Thanks for posting your query.
You are most likely suffering from acute viral pharyngitis
with spread of infection and involvement of middle ear.
works but if it viral then it will take 2-3 days for recovery.
and middle ear are connected by eustachian tube and infection may spread upto middle ear.
Your neck muscle gets stiff because of myalgia
You should consult with physician and ENT surgeon.
You should also take complete antibiotic course (to prevent secondary bacterail infection), anti-inflammatory medicines.
You should alsoperform3 times gargling with lukewarm water and pinch of salt.