Answer
Cobicistat can greatly increase exposure to some inhaled, injected, topical and oral steroids, potentially causing systemic steroid adverse effects.
Sources for this answer
- Symtuza 800 mg/150 mg/200 mg/10 mg film coated tablets — 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.