 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  or stroke prevention (usually 81-162 milligrams a day), you should continue taking it unless your doctor instructs you otherwise. Ask your doctor or pharmacist for more details. Other medications can affect the removal of regorafenib from your body, which may affect how regorafenib works. Examples include nefazodone, ritonavir, St. John's wort, telithromycin, azole antifungals (such as ketoconazole, itraconazole), macrolide antibiotics (such as clarithromycin), HIV protease inhibitors (such as nelfinavir), rifamycins (such as rifabutin, rifampin), drugs used to treat seizures (such as phenytoin), among others. Does Regorafenib Tablet interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Regorafenib Oral: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. </s>