The Side Effects of Tramadol HCL | eHow.comTramadol hydrochloride (Hcl) is a prescription pain relief medication sold under the brand names Ultram and Ryzolt. It is available in regular tablets as well as extended release for people who need continuous pain medication for long periods of time. Many side effects are possible.Tramadol Tablets Official FDA information, side effects and uses. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Advanced Search Phonetic Search Each tramadol hydrochloride tablet intended for oral administration contains 50 mg of tramadol hydrochloride. In addition, it also contains the following inactive ingredients: hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80, pregelatinized starch, sodium starch glycolate, and titanium dioxide.Tramadol is extensively metabolized after oral administration by a number of pathways, including CYP2D6 and CYP3A4, as well as by conjugation of parent and metabolites. Approximately 30% of the dose is excreted in the urine as unchanged drug, whereas 60% of the dose is excreted as metabolites. The remainder is excreted either as unidentified or as unextractable metabolites. The major metabolic pathways appear to be N- and O-demethylation and glucuronidation or sulfation in the liver. One metabolite (O-desmethyltramadol, denoted M1) is pharmacologically active in animal models. Formation of M1 is dependent on CYP2D6 and as such is subject to inhibition, which may affect the therapeutic response (see PRECAUTIONS, Drug Interaction).Restless legs syndrome - Wikipedia, the free encyclopediaSleep pattern of a restless legs syndrome patient (red) vs. a healthy sleep pattern (blue). is characterized by an irresistible urge to move one's body to stop uncomfortable or odd sensations. It most commonly affects the legs, but can affect the arms, torso, and even phantom limbs.The sensations are unusual and unlike other common sensations. Those with RLS have a hard time describing them, using words like: uncomfortable, "antsy", electrical, creeping, painful, itching, pins and needles, pulling, creepy-crawly, ants inside the legs and numbness. It is sometimes described similar to a limb "falling asleep". The sensation and the urge can occur in any body part; the most cited location is legs, followed by arms. Some people have little or no sensation, yet still have a strong urge to move.Dopamine agonists such as ropinirole, pramipexole, carbidopa/levodopa or pergolide. Ropinirole (Requip) was first approved In 2005 by the US Food and Drug Administration (FDA) to treat moderate to severe Restless Legs Syndrome. The drug was first approved for Parkinson's disease in 1997. Pramipexole (Mirapex, Sifrol, Mirapexen in the EU) received a positive recommendation by the EU Scientific Committee in February 2006. The FDA approved Mirapex for sale in the US in 2006. Rotigotine (Neupro), which is delivered by a transdermal patch was approved by the FDA in May 2007 for early stage Parkinson's disease; it is not yet approved for RLS in the US. The Neupro patch has been withdrawn from the US market due to problems with the medication delivery system. Rotigotine (Neupro), was approved for sale in the EU in 2007 for not only advanced stage Parkinson's disease but also for RLS. There are some issues with the use of dopamine agonists.