A few Tenormin precautions and warnings to be aware of include potential drug interactions, the risk of extreme low blood pressure or heart failure in some people taking Tenormin, and people who should not take the medicine (such as those with serious heart failure or certain types of irregular heart rhythms). You should talk with your healthcare provider about about any precautions and warnings for Tenormin that may apply to you.
Tell your healthcare provider about all other medicines that you may be currently taking, including prescription and non-prescription medicines, antacids, vitamins, and herbal supplements.