Answer
Yes. Olmesartan can increase potassium and alter renal function, especially with kidney disease, dehydration or interacting medicines, so blood tests may be required.
Sources for this answer
- Sevikar 20 mg/5 mg, 40 mg/5 mg, 40 mg/10 mg Film-Coated Tablets — Current selected SmPCemc · Summary of Product Characteristics
- NHS Specialist Pharmacy ServiceNHS Specialist Pharmacy Service · NHS medicine guidance