Apart from having some benefits the drug has some side-effects too. Weakness, nausea, vomiting, dry mouth, shivering, chills and dizziness are some of the side-effects common with this pills. You may face some other type of side-effect with the drug. You should report about the side-effects to your doctor. In case you witness any of the adverse effects of opioid tapentadol then you should tell about it to your doctor. Your doctor will tell you about the measure to be taken against the side-effects. The drug s side-effect should not be ignored for too long. The drug should be used for treatment of pain only. Do not suggest the use of the drug to anyone else on your own. Do not take over dose of the drug . In case you accidentally take over dose of the drug then you should contact your doctor immediately.