Now I do realize this would be a very small amount of blood, but I'm just curious. Yes, there are health risks associated with ingesting or being exposed to menses, because this is both fluid sharing and also blood sharing, even though menses is more than just blood.
Most over-the-counter sleep aids contain antihistamines. Tolerance to the sedative effects of antihistamines can develop quickly â so the longer you take them, the less likely they are to make you sleepy. In addition, some over-the-counter sleep aids can leave you feeling groggy and unwell the next day.
Many people have trouble falling asleep or staying asleep and find that taking medications can help them get better sleep at night. Tylenol PM is a relatively mild over-the-counter sleep aid that consists of tylenol (a pain reliever) and benadryl (an anti-histamine).