 <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]  protease inhibitors (such as atazanavir), ritonavir, St. John's wort, telithromycin, among others. Vemurafenib can slow down the removal of other medications from your body, which may affect how they work. Examples of affected drugs include caffeine, fezolinetant, warfarin, among others. Does Vemurafenib Tablet interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Vemurafenib 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. Canada residents can call a provincial poison control center.  Notes Do not share this medication with others. Lab and/or medical tests (such as BRAF testing, liver function tests, kidney function tests, EKG, blood mineral levels) should be done before you start taking this medication and while you are taking it. Keep all appointments as it is important to have regular skin exams (such as every 2 months) while taking and for up </s>