Medication Information

Medication Information

Drug Interaction

Below is some information on Food – Drug and Herb – Drug interactions. If you have questions, please ask your doctor or

In order to better manage your medications, download our medication diary to keep track of your medications and help provide your physician with correct and up-to-date information.

Food Drug Interactions

Type of Drug

Relationship with Food

Anti - Coagulants
Do not take: Goldenseal, Co-Enzyme Q10, Ginkgo, Chondroitin, Ginger, Licorice
Warfarin Be careful with Garlic Supplements
Coumadin Ginseng may increase the effects of Warfarin or Coumadin
Avoid making sudden changes in the intake of foods high in Vitamin K & E
Limit Foods such as:
  • Asparagus
  • Canola Oil
  • Collard Greens
  • Garbanzos
  • Green Tea
  • Lettuce
  • Pork Liver
  • Spinach
  • Beef Liver
  • Cauliflower
  • Cucumber Peel
  • Green Beans
  • Mint
  • Romaine Lettuce
  • Swiss Chard
  • Broccoli
  • Chicken Liver
  • Egg Yolk
  • Green Peas
  • Green Tomato
  • Mustard Greens
  • Soybeans
  • Turnip Greens
  • Raw Green Cabbage
  • Endive
  • Green Onions
  • Kale
  • Parsley
  • Soybean Oil
  • Watercress
    Aspirin Take with food
    Motrin, Advil Limit Alcohol
    Anaprox, Aleve, Naprosyn Do not take ginseng
    Lipitor Take Mevacor with the evening meal
    Lescol Avoid grapefruit / grapefruit juice
    Mevacor Limit alcohol
    Kapseals Avoid alcohol
    Infatab Stop any tube feeding for two hours before and after drug given
    Achromycin Take one hour before or two hours after eating
    Sumycin Avoid taking dairy products at the same time as the medication
    Flagyl / Antabuse
    Avoid alcohol for up to three days after completing medication regimen
    MAO Inhibitors
    Do not take Ephedra
    Nardil Do not drink alcohol
    Parnate Do not use red wine products
    Avoid the following foods:
    • Avocados
    • Caviar
    • Brie Cheese
    • Mozzarella Cheese
    • Game Meats
    • Miso Soup
    • Bananas
    • American Processed Cheese
    • Parmesan Cheese
    • Ginkgo
    • Raisins
    • Sauerkraut
    • Broad (Habas) Beans
    • Cheddar Cheese
    • Beef and Chicken Liver
    • Ginseng
    • Yogurt
    • Caffeine containing products
    • Blue Cheese
    • Cured Meats
    • Dried Fish
    • Sour Cream
    • Yeast Extracts

    SOURCE: Knapp Medical Center Nutrition Services

    Herb Uses and Drug Interactions



    Relationship with other Drugs

    Coenzyme Q10 Heart Disease Do not use with Wafarin or Coumadin
    High blood pressure
    Black Cohosh Menopause Can increase the effects of high blood pressure pills
    Echinacea Fights redness, heat and pain in tissues Avoid use if allergic to the daisy flower family
    Fights Viruses May depress the immune system

    Healths the central nervous system

    Helps with breathing

    Not advisable with high blood pressure, high blood sugar, glaucoma,
    thyroid disease and large prostate problems

    Do not take with Nardil or Parnate

    Do not take large amounts - death is possible

    Garlic Lowers fat Do not use with stomach ulcers or heartburn
    Ginkgo Protects nerves and breakdown of tissues
    Circulation problems

    Do not use with Nardil or Parnate

    Decreases clotting of blood cells

    Ginseng Lowers Cholesterol May cause sleepiness
    Lowers Blood Sugar Do not use with high blood pressure, heart disorders, high blood sugars,
    steroids and female hormone therapy
    Smoothes the skin Do not take with Aspirin, Motrin, Advil, Anaprox, Aleve, Naprosyn,
    Orudis, Relafen, Nardil or Parnate
    Prevents Sleepiness
    Glucosamine Sulfate Fights redness, heat and pain in the tissues
    Decreases pain for arthritis

    May cause problems with making insulin

    May cause lung problems

    Goldenseal Fights infections Large doses can be poisonous - nausea, vomiting, diarrhea, nervousness,
    high blood pressure, seizures, paralysis and death
    Chondroitin Decrease pain for arthritis Careful with Warfain or Coumadin
    Kava Kava Relaxes Muscles Causes skin to turn yellow or form a dry rash
    Decreases Pain Causes muscle weakness
    Decreases anxiety Do not use with depression pills, barbiturates (barbies), Levodopa and Xanax
    Promotes Sleepiness
    St. Johns Wart

    Fights Mild Depression

    Promotes Sleepiness

    Fights Viruses

    Fights redness, heat and pain in the tissues

    Do not take with other depression pills

    Do not take with pills that fight viruses

    Do not take with Cyclosporine

    Saw Palmetto Fights bacteria in the urine May cause headaches
    Helps eliminate extra water in the body Large amounts can cause diarrhea
    Fights redness, heat and pain in the tissues
    Decreases male hormones
    Valerian Relaxes and helps with sleep May increase the side effects of sedating pills
    SAMe Fights mild depression Do not use with Bipolar disorders
    Decreases pain from arthritis
    Fights liver disease

    Decreases stomach problems

    Fights redness, heat and pain in the tissues

    Decreases clotting of cells

    May cause bleeding with Warfarin or Coumadin
    Licorice Stomach Ulcers Do not take with Warfarin or Coumadin
    Chronic liver disease May increase blood pressure