Tepedict 100 ER Tablet 10's is used to reduce moderate to severe pain. It contains Tapentadol, which reduces feelings of pain by interfering with the way neurons convey pain between the brain and the body. It may cause common side effects such as constipation, nausea, sleepiness, vomiting, tiredness, headache, dizziness, and abdominal pain. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.