If the headaches are as horrible as you say, no. When the sinuses are infected they produce mucus which creates the pressure which creates the headaches. On xrays (or CTs) normal sinuses look dark gray or black, when there is an infection it is white. Very hard to mistake. Headaches have to be from something else. Keep looking.
Yes, it is possible to have headaches while on Synthroid.
no you can not
The known possible side effects include nausea, fatigue, diarrhoea and vomiting. Headaches are not listed.
No; in the future this may be possible.
Bladder infection or bladder stone. I would see a doctor if possible, its not a huge deal, but a doctor could help.
As few as is humanly possible
Imbalance in the inner ear. Do you feel less dizzy when driving or when you close your eyes? It's possible that a sinus infection is putting pressure on your inner ear and causing your problems
Hemorrhage in the brain is a possible complication, as is infection.
Well, any kind of sleep deprivation can cause headaches. If possible, try to get some extra sleep. If your problems persist, you may want to contact a physician, as persistent headaches can be an indication of greater physical problems.
Yes it is very possible. Yes it is very possible.
Dizziness, headaches, tiredness and vomiting can be possible effects of abusing alcohol.
possible infection.