 <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]  to prevent organ rejection (such as cyclosporine, sirolimus, tacrolimus), drugs used to treat cancer (such as cyclophosphamide, irinotecan, tamoxifen), heart medications (including digoxin, beta blockers such as metoprolol, calcium channel blockers such as diltiazem), anti-seizure drugs (such as carbamazepine, phenytoin, phenobarbital), tricyclic antidepressants (such as amitriptyline, nortriptyline), sympathomimetic drugs (such as albuterol, phenylephrine), drugs used to treat HIV infection (including cobicistat, elvitegravir, protease inhibitors such as indinavir/nelfinavir, certain NNRTIs such as nevirapine/etravirine, entry inhibitors such as maraviroc), drugs that can cause bleeding/bruising (including antiplatelet drugs such as clopidogrel, "blood thinners" such as warfarin and heparin, NSAIDs such as ibuprofen), ritonavir. Taking MAO inhibitors with this medication may cause a serious ( </s>