These are a kind of medication that is used in the treatment of pain. They are mostly used in alleviating moderate to severe types of pain. It is also widely used in treating types of neuralgia, post operative type of pain in canines and sometimes in treating depression. Ultracet is a kind of drug in the United States which is a combination of both Paracetamol and Ultram. Ultram is known by different names in different parts of the world; it is Tramadol in Germany, Zydol in the UK, and Ultram in the United States. Ultracets is not a controlled substance as such and is available through a normal prescription. It is also found used at times as a narcotic. It is also known to cause serious side effects when taken in combination with some other drugs.