Known side effects of Telsar Beta 25MG Tab include Headache Weakness Dizziness Cold extremities Slow heart rate Increased potassium level in blood Numbness of extremity Decreased blood pressure. Not everyone experiences these side effects.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026
This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.