Answer
Potassium-containing salt substitutes can cause dangerously high potassium when combined with telmisartan and should not be used without clinical review.
Sources for this answer
- Telmisartan Brown & Burk 20 mg 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.