Online Pharmaz is a trusted USA-based pharmacy offering high-quality pain-relieving, anti-anxiety, and ED medications at affordable prices with attractive offers and fast delivery. Always consult a healthcare provider before use. Tapentadol 100mg Tablet is used for managing moderate to severe pain, providing effective pain relief. It works by affecting the central nervous system to alleviate pain. Common side effects include dizziness, nausea, constipation, and drowsiness.