
Drugs (prescription medications and over-the-counter products) and dietary supplements (vitamins, minerals, or herbals) may interact with each other or the food you eat and cause harmful reactions. To see if you are at risk for drug interactions, circle Yes or No for the following questions.
1. Yes No 2. Yes No 3. Yes No 4. Yes No 5. Do you take dietary supplements (vitamins, minerals, or herbals) that you haven't discussed with your doctor or pharmacist? Yes No 6. Yes No 7. Yes No 8. Yes No 9. Yes No
Do you take two or more medications each day?
Do you purchase prescriptions at more than one pharmacy?
Do you have prescriptions from more than one doctor?
Do you ever take your medications with grapefruit juice?
Do you ever take medications without first reading the instructions and warning labels?
Do you think that drugs bought without a prescription always are safe to use?
Do you ever take a larger dose than the doctor recommends?
Have you ever taken a drug prescribed for someone else?
If you answered Yes to any of the questions, you may be at risk for a drug interaction. The more “yes” answers you have, the greater your risk. Be sure to talk to your doctor or pharmacist about all the drugs you are taking to reduce your risk for harmful interactions.
This is document FCS 8621-ENG, one in a series of the Department of Family, Youth and Community Sciences, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL 32611. Origianl publication date: March 2004. Revised: June 2008 This leaflet was developed with funding from the Florida Department of Elder Affairs in partnership with state, county, and local agencies. Please visit the EDIS Web site at http://edis.ifas.ufl.edu
Jennifer Hillan, MSH, RD, LD/N, former ENAFS nutrition educator/trainer, Department of Family, Youth and Community Sciences, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL 32611. Reviewed by Linda B. Bobroff, PhD, RD, LD/N, professor, University of Florida.
The Institute of Food and Agricultural Sciences (IFAS) is an Equal
Opportunity Institution authorized to provide research, educational
information and other services only to individuals and institutions
that function with non-discrimination with respect to race, creed,
color, religion, age, disability, sex, sexual orientation, marital
status, national origin, political opinions or affiliations.
For more information on obtaining other extension publications,
contact your county Cooperative Extension service.
U.S. Department of Agriculture, Cooperative Extension Service,
University of Florida, IFAS, Florida A. & M. University Cooperative
Extension Program, and Boards of County Commissioners Cooperating. Millie Ferrer, Interim Dean.