Benzylpenicillin of penicillin allergy. Use during pregnancy is generally safe. It is in the penicillin and β-lactam class of medications. Benzylpenicillin was discovered in 1929 by Alexander Fleming and came into commercial use in 1942. It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system. The wholesale cost in the developing world is about US$0.24–2.72 per day. In the United States a course of treatment costs $100–200. As an antibiotic, benzylpenicillin is noted to possess effectiveness mainly against Gram-positive organisms. Some Gram-negative organisms such as "Neisseria gonorrhoeae" and "Leptospira
Hunter Valentine the Showtime channel. In 2013 they joined Cyndi Lauper on the North American leg of the as the opening act. In July 2014 Hunter Valentine joined the Vans Warped Tour. In the summer of 2014 Hunter Valentine was featured on VH1's "Make or Break: The Linda Perry Project" Kiyomi McCloskey is the lead guitarist and vocalist in the band Hunter Valentine. She has cited Neil Young, Rolling Stones, Robert Johnson, Lucinda Williams and Janis Joplin as influences. She is on the third season of the series The Real L Word, a lesbian based TV show on Showtime. Laura Petracca is