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.
Toothaches can vary greatly, from mild soreness to an unbearable throbbing pain in your teeth or around your jaws. Some of the main causes of toothaches are cavities, an infection, an exposed tooth root, a cracked tooth, gum disease, a loose filling, or jaw joint disorder.oothaches can vary greatly, from mild soreness to an unbearable throbbing pain in your teeth or around your jaws. Some of the main causes of toothaches are cavities, an infection, an exposed tooth root, a cracked tooth, gum disease, a loose filling, or jaw joint disorder.