Definitely, as *Omega-WereWolf said, go see an audiologist (essentially, an ear doctor), and ASAP. If you're having dizziness spells and also ear pain, there might be something going on in your middle/inner ear and/or vestibular system (the two are physically connected even though they serve different functions--hearing and balance, respectively), and only someone who's specialized in studying them will be able to reliably tell you if there's something not quite right there in the first place, and if there is something off they'll be much more likely to accurately diagnose you. The fact that you've mentioned a potential ear infection and constant sinus issues (again, the two are physically connected) tells me that there's a higher likelihood that it's something to do with your ears (and I've only taken one class on audiology stuff so far), so those'll be things you absolutely want to mention to whichever audiologist you go in to see, even if they don't ask.
Also, the sooner you go the sooner it'll potentially get resolved, and the less potential damage you'll have done to your ears/vestibular system. Best of luck!
Interesting, I also experienced alot of dizziness; it was caused by my heart murmur. Everytime i had anything with caffeine or an upper in it, i would feel faint and dizzy. Heart murmurs are not fatal like other heart conditions, so don't worry, but you should find out for sure if you maybe have one.
I hate to be "un-scientific", especially compared to all these responses, but my sister suffers from diziness, and (as tired of hearing it from me she may be) I can not stress how important it is to watch your water intake. Atleast 2 quarts a day. When she drinks atleast that amount, her diziness seems to be greatly reduced if not almost solved. Just try drinking two big Gatorade bottles a day. Trust me, if nothing else proper water intake will certainly help.
I have low blood pressure, and that sounds a lot like what I have whenever I stand up. You should get it checked out, because you are at a high risk of fainting. The last time I fainted I split my chin open and broke two teeth, so fainting is serious.
Sounds like low blood pressure to me. You can definitely self-treat this by eating more salt, (drink water too but w/o the salt your bp will not increase) but MAKE SURE YOUR BP DOESN'T GO OVER 130/90. (You can check your bp at almost any pharmacy on one of those machines.) I don't want to be putting you at risk for hypertension here xD But I'm guessing your systolic is ~ 90 if you're getting dizzy (the top number which should be 120, since 120/80 is normal).
If your doctor doesn't take your complaint seriously, mention that you think it might be low blood pressure and that you're going to start taking in more salt! - he doc might tell you not to, but I can almost guarantee that they'll take your complaint more seriously and check your bp more closely.
Alright, I'll be sure to ask about that c: The last time my bp was checked the nurse said it was "Kind of high" but she wasn't concerned. Last night I had a panic attack though, it felt just like my dizziness but worse and with rapid heartbeat. I'll definitely be asking the doctor about my anxiety...
Yes, it could be anxiety, but I wouldn't expect that too have a large impact on your blood *pressure.* (But maybe you should be put on an anxiolytic to help with that.) If your bp is a little high normally than be cautious with salt... but yeah, definitely ask. Also, don't want to scare you but it's possible you have a heart condition - just make sure the doctor listens to your chest If anything is too wrong he/she will know (even if you did have one, most heart conditions are really not scary and don't decrease length or quality of life)