answers: prodrug
context: it on religious or moral grounds. Levonorgestrel has been studied in combination with androgens such as testosterone and dihydrotestosterone as a hormonal contraceptive for men. Levonorgestrel Levonorgestrel is a hormonal medication which is used in a number of birth control methods. In pill form, sold under the brand name Plan B among others, it is useful within 120 hours as emergency birth control. It becomes less effective the longer after sex and only works before pregnancy has occurred. It is also combined with an estrogen to make combined oral birth control pills. Within an intrauterine device (IUD), sold as Mirena </s> supplements or "all natural" products for male enhancement. Vardenafil Vardenafil (INN) is a PDE inhibitor used for treating erectile dysfunction that is sold under the trade names Levitra (Bayer AG, GSK, and SP), Staxyn in India, and Vivanza in Italy. Vardenafil was co-marketed by Bayer Pharmaceuticals, GlaxoSmithKline, and Schering-Plough under the trade name "Levitra". As of 2005, the co-promotion rights of GSK on "Levitra" have been returned to Bayer in many markets outside the U.S. In Italy, Bayer sells vardenafil as "Levitra" and GSK sells it as Vivanza. Thus, because of European Union trade rules, parallel imports might result in </s> of carnitine, it is unlikely to be of clinical significance; long-term use, however, appears problematic and is not recommended. Pivmecillinam Pivmecillinam (INN) or amdinocillin pivoxil (USAN, trade names Selexid, Penomax and Coactabs) is an orally active prodrug of mecillinam, an extended-spectrum penicillin antibiotic. Pivmecillinam is the pivaloyloxymethyl ester of mecillinam. Neither drug is available in the United States. Pivmecillinam is only considered to be active against Gram-negative bacteria, and is used primarily in the treatment of lower urinary tract infections. In the Nordic countries, it has been widely used in that indication since the 1970s. It has been proposed as
question: what kind of drug is vyvanse classified as