Most medications do not prevent you from donating blood. Common medications such as those used to control blood pressure, birth control pills and over-the-counter medications do not affect your eligibility. If you have recently taken antibiotics, you must have completed the course prior to donating.
Yes, a tooth infection can cause a headache. Also, be aware that certain sinus conditions can mask as tooth problems.
An infected tooth can cause death. But it isn't really from infecting your brain. It will go into your airways and swell them up then you can't breath. A tooth infection can b â¦ ecome very serious.     The infection can go into your bloodstream.