Answer
Its active metabolite is cleared through the kidneys, so renal impairment can increase exposure and may change prescribing decisions.
Sources for this answer
- Tamiflu 30 mg, 45 mg and 75 mg Hard Capsules — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.