Although the anaconda is a thicker, heavier snake, some pythons are the world's longest snakes. The reticulated python of Southeast Asia has an average length of up to 4 to 6 meters (13 to 21 feet), the largest measuring 9.7 meters (nearly 32 feet).
One of the most common drugs used in the labour ward is pethidine, a synthetic, addictive, narcotic drug that is similar to morphine. In Britain it is also known as meperidine, and in America it is known as Demerol.
Common narcotic pain medications include: Schedule II. Fentanyl (brand names Actiq, Abstral, Duragesic, Fentora, Lazanda, Subsys) is designed for cancer patients who have flares of pain (sometimes called breakthrough pain) that is not controlled by other medications. It is available as a nasal spray, tablets, lozenges, and as a patch.