I have high blood pressure, my head feels full and my left ear is clogged, what does that mean?

Viral syndrome: Sounds like a viral syndrome. Mycoplasma infections can also do this. Do you have fever or cough? A checkup might be in order. If you normally don't have high blood pressure, i wouldn't be concerned as this may be a reaction to your not feeling well right now.

Could be...: Could be unrelated to your blood pressure, possibly a cold. Symptoms like these deserve a full evaluation in person by your health care provider.