What checks and balances should be in place at the physician's office and in the pharmacy to ensure hat errors are not made with patients with allergies to antibiotics?

That's a good question given that all three branches have managed to expand the scope of their jurisdiction without any regard for the Constitution that endeavored to keep these three branches...

An appointment or a consultation.

appointment

Checks and balances were made so that no branch of the government gained too much power.

Anyone with allergies to foods, dyes, preservatives, or to the compounds aminophylline, dyphylline, oxtriphylline, theobromine, or theophylline should check with a physician before using caffeine.