Natural products do not produce any side effects at any moment. But chemical drugs do that. Even after knowing all these things many prefer the chemical drugs because of the fact that the remedies are achieved in an ultra fast rate. Rimonabant is one such drug which is used to have controls over obesity. Once the intake of this drug comes into practice as per dietician or doctor’s prescription you can stop it only when you actively indulge your self in some form of physical activities. Otherwise the intake won’t create much difference after you stop consuming it. Rimonabant is an influential appetite suppressant drug. Over dosage of Rimonabant can cause adverse effect over obesity treatment. some of the side effects are the primary side effect is that it affects the central nervous system and secondary side effects are vomiting, diarrhea, skin disorders, respiratory track infection etc. since it disturbs the activity of brain it causes mood alterations. It is available in 20 mg pills and generally prescribed for those whose body mass index is greater than 30 Kg/ meter square. Sanofia has the patent of this drug which is a French based pharmacy. First only European commission approved the legal sale of this drug. Its trade name is acomplia under which it is sold in 18 European countries. It arrival was first in the market of united kingdom then later spread to other countries like Denmark, Ireland, Germany, Finland, Norway, Belgium and Sweden and so on.