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.
Toothache: Symptoms, treatment and prevention. Toothache is a common reason for visiting the dentist. Pain from toothache can affect the teeth and jaws. Tooth decay is a common reason for toothache, which won't usually get better on its own. Toothache pain can be constantly throbbing, or may be set off by food or drink.oothache: Symptoms, treatment and prevention. Toothache is a common reason for visiting the dentist. Pain from toothache can affect the teeth and jaws. Tooth decay is a common reason for toothache, which won't usually get better on its own. Toothache pain can be constantly throbbing, or may be set off by food or drink.