NSAIDs such as sulindac or aspirin are preferred. Cyanocobalamin, Vitamin B12: (Minor) Metformin may result in suboptimal oral vitamin B12 absorption by competitively blocking the calcium-dependent binding of the intrinsic factor-vitamin B12 complex to its receptor. Effects of nabumetone on blood pressure control in hypertensive patients on ACE inhibitors is also goodвЂ”equivalent to paracetamol. You are soley responsible for your interactions with such Web sites. Minor) Increased frequency of blood glucose monitoring may be required when clonidine is given with antidiabetic agents. Tell all of your health care providers that you take this medicine (Claravis).