All Providence hospitals in Oregon are open. Our clinics in the Portland metro area may be closing early this afternoon (Dec. 8). If you have an appointment, please call in advance to confirm or reschedule. See inclement weather clinic updates ›
Providence Tanasbourne offers a wide variety of services—family medicine, immediate care, pharmacy, rehabilitation therapy, medical imaging, day surgery and more—in one location.
Medications can help manage a lot of health problems, but they can cause problems of their own when they get mixed up, taken incorrectly or combined with certain supplements, foods or other medicines. Protect yourself from potentially dangerous medication mix-ups by taking these three prescription precautions:
Learn about your prescription drugs and over-the-counter medicines. Includes side effects, dosage, special precautions and more. Browse dietary supplements and herbal remedies to learn about their effectiveness, usual dosage and drug interactions.
The United States Pharmacopeia (USP) is a non–governmental, official public standards–setting authority for prescription and over–the–counter medicines and other healthcare products manufactured or sold in the United States. USP also sets widely recognized standards for food ingredients and dietary supplements. USP sets standards for the quality, purity, strength, and consistency of these products–critical to the public health. USP's standards are recognized and used in more than 130 countries around the globe. These standards have helped to ensure public health throughout the world for close to 200 years.