I have major headaches, painful throat, excessive saliva?

I am a 20 year old male, with no relevant medical history or allergies.

For about a week now I have been experiencing major headaches. During the day these headaches do not go away, it is a constant heavy pain (feels as though there is a lot of pressure) and are very noticeable in all areas of my head as well as upper nose and the back of my eyes. This makes every task painful. Even simple tasks like pouring a bowl of cereal.
At night, I am being woken up very violently about every hour or so with a throbbing pain and feels as though there is a lot of pressure on both of my temple regions. Since I have also had a very painful sore throat for the same amount of time, when I wake up throughout the night there is an excessive amount of saliva in my mouth. It is very painful to swallow and no matter how much water I drink my mouth is always dry.

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