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.
Report Abuse. yes, you can get tooth aches caused by stress. You an get spasms of the muscles used for chewing when you are suffering from stress, but it might be a red flag warning heart problems also. Sometimes, a toothache may be caused by a problem not originating from a tooth or the jaw.