Yes, definitely there are medicines avaiable. But before that most important thing is how much are you really Willing to give up smoking? It cannot be solely based on medicine. You shouldn't be affected by your peer pressure.
When you have a strong will only then you can leave smoking for good.
Next Steps
It is a long process and nearly requires you to take medicine for almost 3 months daily. You will have to do occasional follow ups as well.
Health Tips
Once you do a personal chat Consult with me i will provide you prescription to purchase the Medicine and provide you directions how to use it. And we will also discuss about the after effects of leaving smoking and how to deal with them