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 estimated 80% of all headaches occur from muscle tension. Did you know that many tension headaches are related to your bite? This article explains how headaches can result from dental stress and how your dentist might treat them. Headaches are our number one pain problem in the United States. Approximately 40% of all healthy individuals suffer from chronic headaches. Head pain is not new.