Food and Drug Interaction | The Medical City

Food and Drug Interaction

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At The Medical City, your safety comes first. This information materials is about how the medicines that you take can interact with the food that you eat. It will help you make the most of your medicines and nutrients in the safest and most effective way possible.


Food and Drug Interaction

 

At The Medical City, your safety comes first. This information materials is about how the medicines that you take can interact with the food that you eat. It will help you make the most of your medicines and nutrients in the safest and most effective way possible.

 

  1. Some medicines must be taken before meals, some after eating. Always follow exactly the directions given by your doctor when taking your medicines.

 

  1. Tell your doctor or pharmacist every medication, food supplement or herbal medicine that you are taking. In general, avoid taking herbal products with your medicines because they can decrease or increase the effects of drugs. You can develop treatment failure or overdose.

 

  1. Avoid or limit alcohol while under medication. Alcohol changes the way your medicine works.

 

  1. Do not mix medications with hot beverages or food. This can alter the drug's effectiveness.

 

  1. As a general rule, take your vitamins one hour before or two hours after taking your medicines.

 

  1. Take medications with at least six ounces of water.

 

  1. Tell your doctor of any unusual feeling you have experienced while taking medications.

 

  1. Before any medication intake, READ THE LABEL.

 

  1. Read and understand all medication instructions. Ask your doctor or pharmacist if you don't understand them.

 

  1. Do not take capsules apart.

 

  1. Do not crush or halve pills unless told so by your doctor or pharmacist.

 

  1. Prepare a chart like the one below for your medicines.

 

  1. Always keep a list of your current and past medications handy especially when consulting a physician.

 

  1. Do not hesitate to ASK your physician any questions, issues, and concerns you may have regarding your medication regimen.

 

Medicine

With Food

Without Food

Food to Avoid

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FOR YOUR INFORMATION

Here are some interactions between some of our common medicines and foods. Always ask your doctor or health care provider if you have questions regarding your medications.

 

Medicine

Interaction

What to do

Drugs used to treat infections

  • Ciprofloxacin (Ciprobay)
  • Levofloxacin (Floxel, Levox)
  • Doxycycline ((Doxin)
  • Amoxicillin/clavulonate (Augmentin)
  • May cause stomach upset
  • Calcium and iron limit the amount of antibiotic that gets into your body
  • Caffeine may cause sleeplessness, anxiety or heart pounding
  • Always take with food
  • Do not eat or drink dairy and supplements with iron, zinc or calcium
  • Do not take with foods or drinks containing (coffee, tea, cola, coffee frappe)
   

Isoniazid or INH

  • Food decreases the absorption of the drug
  • May interact with dairy and caffeine products causing severe headache, vomiting, diarrhea, sweating, itching, or chest pain
  • Alcohol may cause dangerous side effects
  • Always take on empty stomach
  • Do not eat or drink dairy products (milk, cheese) and supplements with iron, zinc or calcium
  • Do not take with foods or drinks containing caffeine (coffee, tea, cola, coffee frappe)
  • Avoid alcohol
 

Penicillin (Sumapen)

  • Food decreases the absorption of the drug
  • Always take on empty stomach
 

Drugs for hypertension:

  • Captopril (Capoten, Primace)
  • Food decreases the absorption of the drug
  • Alcohol lowers blood pressure
  • Always take on empty stomach
  • Avoid alcohol
   

Pain medications

  • Ibuprofen (Advil, Alaxan)
  • Naproxen (Naprosyn, Flanax)
  • Aspirin
  • Prednisone
  • May cause stomach upset
  • Alcohol may increase risk of internal bleeding
  • Always take with food
  • Avoid alcohol
   

All drugs used to treat diabetes:

  • Insulin
  • Metformin (Glucophage)
  • Glipizide (Glucotrol)
  • Alcohol changes blood sugar level and may cause some diabetes drugs to become toxic
  • Diabetes may worsen if taken with gingko biloba
  • Avoid or limit alcohol
  • Check blood sugar levels often
  • Avoid gingko
   

 

Note:   This information is not intended to be used as a substitute for professional medical advise, diagnosis or treatment.   If you or someone you know have any of the symptoms mentioned above, it is advisable to seek professional help.

 

PHARMACY DEPARTMENT

Tel. No.: (632) 988-1000 / (632) 988-7000 ext. 6231

 

NUTRITION MANAGEMENT SERVICES

Tel. No.: (632) 988-1000 / (632) 988-7000 ext. 6510

 

CENTER FOR PATIENT PARTNERSHIP

Tel. No.: (632) 988-1000 / (632) 988-7000 ext. 6444

 

Sources:

- www.fda.gov

- University of Utah Health Sciences Center

- TMC, Pharmacy Department



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