Physicians not only have to protect their patients but they also need to protect their career and business from risk of malpractice lawsuits. Many cases are filed, costing the doctor time and risking reputation, and then are dropped due to insufficient evidence. Over use of some screening tests by physicians can be due to their wanting to reduce the risk of a lawsuit where lack of a treatment choice might be used by a lawyer to make a case for malpractice. Change in regulations might help the situation. Read more. A Doctor's Place is in the Exam Room. 
Physicians are given little time to spend with patients in the current medical system. When pressed for time, errors can be made in diagnosis which could lead to treatment recommendations that may be dangerous for a person who doesn't actually have the condition. Seeking a second opinion is within a patient's rights if unsure about a recommendation or treatment's value or risk. Insurance may provide some financial coverage, but it is always a good idea to check with the insurance policy about prior approval or other criteria for coverage, before scheduling an appointment for an expensive test or procedure if finances are limited.
- Is Poor Diagnosis a Leading Cause of Inefficiency in the Health System? 
Pharmacists are also helpful medical experts when seeking more information about a recommended medication or regarding potential negative interactions between medications, herbal supplements, and vitamins. However, like physicians and most people in the modern world, pharmacists are also busy people, and research has shown that some may miss as many as 50% of potential drug interactions.
- Read more: Pharmacies Miss Half of Dangerous Drug Combinations 
Services are available online where a person's prescriptions can be entered into a software application to check for possible medication interactions.
- The CVS pharmacy website offers a drug/supplement interaction checker application. The information is for reference purposes and as a starting point for further conversation with a pharmacist or physician but is not intended to provide recommendations: Drug Interaction Checker.