Thanks for providing more information.
Well as you describe there may be possibility of Eustachian tube dysfunction due to Sinusitis which can result in dizziness.
You should try OTC Coricidin HBP and Motrin.
If Acetril containing Enalapril then it can be a contributing factor in dizziness.
You should do saline gargles and drink warm liquids.
Even your blood pressure is high so take your medications as per directed and take proper rest.
Also hydrate yourself with plenty of fluids.
If you have throat pain, you can try OTC Oral Betadine antiseptic mouth gargles.
If your symptoms 'll persist then you need to be seen by an ENT(Ear-Nose-Throat)specialist for a clinical examination for further evaluation and management.
I hope this helps.
If you have any further query then feel free to ask.
Positive feedback and bonus are highly appreciated.