Hyponatremia vasopressin receptor antagonists (vaptans), such as conivaptan, may be slightly more effective than fluid restriction in those with high volume or normal volume hyponatremia. They should not be used in people with low volume. Their use in SIADH is unclear. Demeclocycline, while sometimes used for SIADH, has significant side effects including potential kidney problems and sun sensitivity. In many people it has no benefit while in others it can result in overcorrection and high blood sodium levels. Daily use of urea by mouth, while not commonly used due to the taste, has tentative evidence in SIADH. It, however, is not
Blood libel Blood libel Blood libel (also blood accusation) is an antisemitic canard accusing Jews of kidnapping and murdering the children of Christians in order to use their blood as part of religious rituals. Historically, these claims—alongside those of well poisoning and host desecration—have been a major theme of the persecution of Jews in Europe. Blood libels typically say that Jews require human blood for the baking of matzos for Passover, although this element was allegedly absent in the earliest cases which claimed that then-contemporary Jews reenacted the crucifixion. The accusations often assert that the blood of the children of Christians is