d="p0005">Diphenhydramine has analgesic and antiemetic properties.
dd><dt class="label">•dt><dd>d="p0010">However, it is unknown if diphenhydramine can improve postsurgical recovery.
dd><dt class="label">•dt><dd>d="p0015">Diphenhydramine did not improve quality of recovery after ambulatory surgery.
dd><dt class="label">•dt><dd>d="p0020">Not all postoperative nausea and vomiting symptoms are clinically important.
dd>dl>