Entereg is a drug that reduces certain side effects of narcotic medicines that are often used to prevent pain caused by surgery as narcotic medicine can cause stomach pain, bloating, nausea,vomiting and constipation. Entereg is in this case used to prevent all these side effects. You cannot use Entereg if you suffer from severe liver or kidney disease ot if you have used a narcotic drugs in a row just before your surgery.
Drug Name: Entereg
Generic name: Alvimopan