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(956) 968-8567     1401 E. Eighth Street, Weslaco, TX     Get Directions
KNAPP Medical Center
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Medication Information

Drug Interaction

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

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 DrugRelationship with Food
Anti-Coagulants
Do not take: Goldenseal, Co-Enzyme Q10, Ginkgo, Chondroitin, Ginger, Licorice
WarfarinBe careful with garlic supplements
CoumadinGinseng 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
Nsaids
AsprinTake with food
Motrin, AdvilLimit alcohol
Anaprox, Aleve, NaprosynDo not take Ginseng
Statins
LipitorTake Mevacor with the evening meal
LescolAvoid grapefruit/grapefruit juice
MevacorLimit alcohol
Pravachol
Zocor
Dilantin
KapsealsAvoid alcohol
InfatabStop any tube feeding for two hours before and after drug given
Tetracyclines
AchromycinTake one hour before or two hours after eating
SumycinAvoid taking dairy products at the same time as the medication
Vibramycin
Minocin
Flagyl/Antabuse
Avoid alcohol for up to three days after completing medication regimen
MAO Inhibitors
Do not take Ephedra
NardilDo not drink alcohol
ParnateDo 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

HerbUsesRelationship with other Drugs
Coenyzme Q 10Heart diseaseDo not use with Warfarin or Coumadin
High blood pressure
Black CohoshMenopauseCan increase the effects of high blood pressure pills
EchinaceaFights redness, heat and pain in the tissuesAvoid use if allergic to the daisy flower family
Fights virusesMay depress the immune system
EphedraHelps the central nervous systemNot advisable with high blood pressure, high blood sugar, glaucoma, thyroid disease and large prostate problems
Helps with breathingDo not take with Nardil or Parnate
Do not take large amounts – death is possible
GarlicLowers fatDo not use with stomach ulcers or heartburn
Do not use with stomach ulcers or heartburn
GinkgoProtects nerves and breakdown of tissuesDo not use with Nardil or Parnate
Circulation problemsDecreases clotting of blood cells
GinsengLowers cholesterolMay cause sleepiness
Lowers blood sugarDo not use with high blood pressure, heart disorders, high blood sugars, steroid and female hormone therapy
Smoothes the skinDo not take with Aspirin, Motrin, Advil, Anaprox, Aleve, Naprosyn, Orudis, Relafen, Nardil or Parnate
Prevents sleepiness
Glucosamine SulfateFights redness, heat and pain in the tissuesMay cause problems with making insulin
Decreases pain for arthritisMay cause lung problems
GoldensealFights infectionsLarge doses can be poisonous – nausea, vomiting, diarrhea, nervousness, high blood pressure, seizures, paralysis and death
ChondroitinDecreases pain for arthritisCareful with Warfarin or Coumadin
Kava KavaRelaxes musclesCauses skin to turn yellow or form a dry rash
Decreases painCauses muscle weakness
Decreases anxietyDo not use with depression pills, barbiturates (Barbies), Levodopa and Xanax
Promotes sleepiness
St. Johns WartFights mild depressionnot take with other depression pills
Promotes sleepinessDo not take with pills that fight viruses
Fights virusesDo not take with Cyclosporine
Fights redness, heat and pain in the tissues
Saw PalmettoFights bacteria in the urineMay cause headaches
Helps eliminate extra water in the bodyLarge amounts can cause diarrhea
Fights redness, heat and pain in the tissues
Decreases male hormones
ValerianRelaxes and helps with sleepMay increase the effects of sedating pills
SAMeFights mild depressionDo not use with Bipolar disorders
Decreases pain from arthritis
Fights liver disease
GingerDecreases stomach problemsMay cause bleeding with Warfarin or Coumadin
Fights redness, heat and pain in the tissues
Decreases clotting of cells
LicoriceStomach ulcersDo not take with Warfarin or Coumadin
Chronic liver diseaseMay increase blood pressure