There are no reports in the scientific literature to suggest that spirulina interacts with any conventional medications. However, it is possible that spirulina might interfere with drugs given to suppress the immune system, including:
- Adalimumab (Humira)
- Azathioprine (Imuran)
- Cyclosporine (Neoral)
- Etanercept (Enbrel)
- Infliximab (Remicade)
- Leflunomide (Arava)
- Methotrexate
- Mycophenolate (CellCept)
- Prednisone