Cinchona officinalis many-flowered; hypanthium with short coarse hairs; reddish calyx, glabrous or nearly so, with triangular lobes; pink or red corolla, sericeous, the lobes ovate, acute, the corolla tube being about 1 cm. long. Fruit and oblong capsule, 1.5–2 cm. long, almost glabrous. English: quinine, red cinchona, cinchona bark, Jesuit’s bark, loxa bark, Jesuit’s powder, countess powder, Peruvian bark. Spanish: quina, cascarilla, cargua cargua, corteza coja. French: quinquina, écorce du Pérou. "Cinchona officinalis" is a medicinal plant, one of several "Cinchona" species used for the production of quinine, which is an anti-fever agent. It is especially useful in the prevention and treatment
Transdermal analgesic patch Transdermal analgesic patch A transdermal analgesic or pain relief patch is a medicated adhesive patch used to relieve minor to severe pain. There are two primary types of analgesic patches: patches containing counterirritants, which are used to treat mild to moderate pain, and patches containing fentanyl, a narcotic used to relieve moderate to severe pain in opioid-tolerant patients. Counterirritant patches contain ingredients such as capsaicin, methyl salicylate, camphor, or menthol, which are thought to mask pain signals by causing other sensations (itching, warmth, or cooling) in the areas they are applied to. In the United States, patches sold under the