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Topic Contents

Ciprofloxacin

Drug Information

Ciprofloxacin is member of the fluoroquinolone family of antibiotics. It is used to treat bacterial infections . Ciprofloxacin penetrates many hard-to-reach tissues in the body and kills a wide variety of bacteria.

Common brand names:

Ciloxan, Cipro, Cipro XR

Summary of Interactions with Vitamins, Herbs, & Foods

Types of interactions: Beneficial Adverse Check

Replenish Depleted Nutrients

  • none

Reduce Side Effects

  • Brewer’s Yeast

    A common side effect of antibiotics is diarrhea , which may be caused by the elimination of beneficial bacteria normally found in the colon. Controlled studies have shown that taking probiotic microorganisms—such as Lactobacillus casei, Lactobacillus acidophilus, Bifidobacterium longum, or Saccharomyces boulardii—helps prevent antibiotic-induced diarrhea.1

    The diarrhea experienced by some people who take antibiotics also might be due to an overgrowth of the bacterium Clostridium difficile, which causes a disease known as pseudomembranous colitis. Controlled studies have shown that supplementation with harmless yeast—such as Saccharomyces boulardii 2 or Saccharomyces cerevisiae (baker’s or brewer’s yeast)3—helps prevent recurrence of this infection. In one study, taking 500 mg of Saccharomyces boulardii twice daily enhanced the effectiveness of the antibiotic vancomycin in preventing recurrent clostridium infection.4 Therefore, people taking antibiotics who later develop diarrhea might benefit from supplementing with saccharomyces organisms.

    Treatment with antibiotics also commonly leads to an overgrowth of yeast (Candida albicans) in the vagina ( candida vaginitis ) and the intestines (sometimes referred to as “dysbiosis”). Controlled studies have shown that Lactobacillus acidophilus might prevent candida vaginitis.5

    The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.
  • Probiotics

    A common side effect of antibiotics is diarrhea , which may be caused by the elimination of beneficial bacteria normally found in the colon. Controlled studies have shown that taking probiotic microorganisms—such as Lactobacillus casei, Lactobacillus acidophilus, Bifidobacterium longum, or Saccharomyces boulardii—helps prevent antibiotic-induced diarrhea.6

    The diarrhea experienced by some people who take antibiotics also might be due to an overgrowth of the bacterium Clostridium difficile, which causes a disease known as pseudomembranous colitis. Controlled studies have shown that supplementation with harmless yeast—such as Saccharomyces boulardii 7 or Saccharomyces cerevisiae (baker’s or brewer’s yeast)8—helps prevent recurrence of this infection. In one study, taking 500 mg of Saccharomyces boulardii twice daily enhanced the effectiveness of the antibiotic vancomycin in preventing recurrent clostridium infection.9 Therefore, people taking antibiotics who later develop diarrhea might benefit from supplementing with saccharomyces organisms.

    Treatment with antibiotics also commonly leads to an overgrowth of yeast (Candida albicans) in the vagina ( candida vaginitis ) and the intestines (sometimes referred to as “dysbiosis”). Controlled studies have shown that Lactobacillus acidophilus might prevent candida vaginitis.10

    The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.

Support Medicine

  • none

Reduces Effectiveness

  • Calcium

    Calcium supplements are known to interfere with the absorption of ciprofloxacin. The same interference has been shown to occur when calcium-fortified orange juice is taken at the same time as ciprofloxacin.11

  • Copper

    Minerals such as aluminum, calcium , copper , iron , magnesium , manganese , and zinc can bind to ciprofloxacin, greatly reducing the absorption of the drug.12 , 13 , 14 , 15 Because of the mineral content, people are advised to take ciprofloxacin two hours after consuming dairy products (milk, cheese, yogurt, ice cream, and others), antacids (Maalox®, Mylanta®, Tums®, Rolaids®, and others), and mineral-containing supplements.16

  • Fennel

    Preliminary research in animals has shown that fennel (Foeniculum vulgare) may reduce the absorption of ciprofloxacin.17 This interaction may be due to the rich mineral content of the herb; it has not yet been reported in humans. People taking ciprofloxacin should avoid supplementing with fennel-containing products until more is known.

  • Iron

    Minerals such as aluminum, calcium , copper , iron , magnesium , manganese , and zinc can bind to ciprofloxacin, greatly reducing the absorption of the drug.18 , 19 , 20 , 21 Because of the mineral content, people are advised to take ciprofloxacin two hours after consuming dairy products (milk, cheese, yogurt, ice cream, and others), antacids (Maalox®, Mylanta®, Tums®, Rolaids®, and others), and mineral-containing supplements.22

  • Magnesium

    Minerals such as aluminum, calcium , copper , iron , magnesium , manganese , and zinc can bind to ciprofloxacin, greatly reducing the absorption of the drug.23 , 24 , 25 , 26 Because of the mineral content, people are advised to take ciprofloxacin two hours after consuming dairy products (milk, cheese, yogurt, ice cream, and others), antacids (Maalox®, Mylanta®, Tums®, Rolaids®, and others), and mineral-containing supplements.27

  • Manganese

    Minerals such as aluminum, calcium , copper , iron , magnesium , manganese , and zinc can bind to ciprofloxacin, greatly reducing the absorption of the drug.28 , 29 , 30 , 31 Because of the mineral content, people are advised to take ciprofloxacin two hours after consuming dairy products (milk, cheese, yogurt, ice cream, and others), antacids (Maalox®, Mylanta®, Tums®, Rolaids®, and others), and mineral-containing supplements.32

  • Zinc

    Minerals such as aluminum, calcium , copper , iron , magnesium , manganese , and zinc can bind to ciprofloxacin, greatly reducing the absorption of the drug.33 , 34 , 35 , 36 Because of the mineral content, people are advised to take ciprofloxacin two hours after consuming dairy products (milk, cheese, yogurt, ice cream, and others), antacids (Maalox®, Mylanta®, Tums®, Rolaids®, and others), and mineral-containing supplements.37

  • Dandelion

    In an animal study, administration of an extract of the whole plant dandelion (actually Taraxacum mongolicum, a close relative of the more common western dandelion, Taraxacum officinale) concomitantly with ciprofloxacin decreased absorption of the drug.38 The authors found this was due to the high mineral content of the dandelion herb. Until further information is available, ciprofloxacin should not be taken within two hours of any dandelion supplement including teas.

    The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.

Potential Negative Interaction

  • Foods with Caffeine

    Caffeine is found in coffee, tea, soft drinks, chocolate, guaraná  (Paullinia cupana), nonprescription drug products, and supplement products containing caffeine. Ciprofloxacin may decrease the elimination of caffeine from the body, causing increased caffeine blood levels and unwanted actions.39 People taking ciprofloxacin may choose to limit their caffeine intake to avoid problems. They should read food, beverage, drug, and supplement labels carefully for caffeine content.

Explanation Required 

  • Vitamin K

    Several cases of excessive bleeding have been reported in people who take antibiotics.40 , 41 , 42 , 43 This side effect may be the result of reduced vitamin K activity and/or reduced vitamin K production by bacteria in the colon. One study showed that people who had taken broad-spectrum antibiotics had lower liver concentrations of vitamin K2 (menaquinone), though vitamin K1 (phylloquinone) levels remained normal.44 Several antibiotics appear to exert a strong effect on vitamin K activity, while others may not have any effect. Therefore, one should refer to a specific antibiotic for information on whether it interacts with vitamin K. Doctors of natural medicine sometimes recommend vitamin K supplementation to people taking antibiotics. Additional research is needed to determine whether the amount of vitamin K1 found in some multivitamins is sufficient to prevent antibiotic-induced bleeding. Moreover, most multivitamins do not contain vitamin K.

    The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.
The Drug-Nutrient Interactions table may not include every possible interaction. Taking medicines with meals, on an empty stomach, or with alcohol may influence their effects. For details, refer to the manufacturers’ package information as these are not covered in this table. If you take medications, always discuss the potential risks and benefits of adding a new supplement with your doctor or pharmacist.

References

1. Elmer GW, Surawicz CM, McFarland LV. Biotherapeutic agents. A neglected modality for the treatment and prevention of selected intestinal and vaginal infections. JAMA 1996;275:870-6 [review].

2. Elmer GW, Surawicz CM, McFarland LV. Biotherapeutic agents. A neglected modality for the treatment and prevention of selected intestinal and vaginal infections. JAMA 1996;275:870-6 [review].

3. Schellenberg D, Bonington A, Champion CM, et al. Treatment of Clostridium difficile diarrhoea with brewer's yeast. Lancet 1994;343:171-2.

4. Surawicz CM, Elmer GW, Speelman P, et al. Prevention of antibiotic-associated diarrhea by Saccharomyces boulardii: A prospective study. Gastroenterol 1989;96:981-8.

5. Elmer GW, Surawicz CM, McFarland LV. Biotherapeutic agents. A neglected modality for the treatment and prevention of selected intestinal and vaginal infections. JAMA 1996;275:870-6 [review].

6. Elmer GW, Surawicz CM, McFarland LV. Biotherapeutic agents. A neglected modality for the treatment and prevention of selected intestinal and vaginal infections. JAMA 1996;275:870-6 [review].

7. Elmer GW, Surawicz CM, McFarland LV. Biotherapeutic agents. A neglected modality for the treatment and prevention of selected intestinal and vaginal infections. JAMA 1996;275:870-6 [review].

8. Schellenberg D, Bonington A, Champion CM, et al. Treatment of Clostridium difficile diarrhoea with brewer's yeast. Lancet 1994;343:171-2.

9. Surawicz CM, Elmer GW, Speelman P, et al. Prevention of antibiotic-associated diarrhea by Saccharomyces boulardii: A prospective study. Gastroenterol 1989;96:981-8.

10. Elmer GW, Surawicz CM, McFarland LV. Biotherapeutic agents. A neglected modality for the treatment and prevention of selected intestinal and vaginal infections. JAMA 1996;275:870-6 [review].

11. Neuhofel AL, Wilton JH, Victory JM, et al. Lack of bioequivalence of ciprofloxacin when administered with calcium-fortified orange juice: a new twist on an old interaction. J Clin Pharmacol 2002;42:461-6.

12. Campbell NR, Hasinoff BB. Iron supplements: A common cause of drug interactions. Br J Clin Pharmacol 1991;31:251-5.

13. Lim D, McKay M. Food-drug interactions. Drug Information Bull 1995;15(2) [review].

14. Threlkeld DS, ed. Systemic Anti-Infectives, Fluoroquinolones. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Feb 1994, 340n-40o.

15. Holt GA. Food & Drug Interactions. Chicago: Precept Press, 1998, 74.

16. Threlkeld DS, ed. Systemic Anti-Infectives, Fluoroquinolones. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Feb 1994, 340n-40o.

17. Zhu M, Wong PY, Li RC. Effect of oral administration of fennel (Foeniculum vulgare) on ciprofloxacin absorption and disposition in the rat. J Pharm Pharmacol 1999;51:1391-6.

18. Campbell NR, Hasinoff BB. Iron supplements: A common cause of drug interactions. Br J Clin Pharmacol 1991;31:251-5.

19. Lim D, McKay M. Food-drug interactions. Drug Information Bull 1995;15(2) [review].

20. Threlkeld DS, ed. Systemic Anti-Infectives, Fluoroquinolones. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Feb 1994, 340n-40o.

21. Holt GA. Food & Drug Interactions. Chicago: Precept Press, 1998, 74.

22. Threlkeld DS, ed. Systemic Anti-Infectives, Fluoroquinolones. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Feb 1994, 340n-40o.

23. Campbell NR, Hasinoff BB. Iron supplements: A common cause of drug interactions. Br J Clin Pharmacol 1991;31:251-5.

24. Lim D, McKay M. Food-drug interactions. Drug Information Bull 1995;15(2) [review].

25. Threlkeld DS, ed. Systemic Anti-Infectives, Fluoroquinolones. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Feb 1994, 340n-40o.

26. Holt GA. Food & Drug Interactions. Chicago: Precept Press, 1998, 74.

27. Threlkeld DS, ed. Systemic Anti-Infectives, Fluoroquinolones. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Feb 1994, 340n-40o.

28. Campbell NR, Hasinoff BB. Iron supplements: A common cause of drug interactions. Br J Clin Pharmacol 1991;31:251-5.

29. Lim D, McKay M. Food-drug interactions. Drug Information Bull 1995;15(2) [review].

30. Threlkeld DS, ed. Systemic Anti-Infectives, Fluoroquinolones. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Feb 1994, 340n-40o.

31. Holt GA. Food & Drug Interactions. Chicago: Precept Press, 1998, 74.

32. Threlkeld DS, ed. Systemic Anti-Infectives, Fluoroquinolones. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Feb 1994, 340n-40o.

33. Campbell NR, Hasinoff BB. Iron supplements: A common cause of drug interactions. Br J Clin Pharmacol 1991;31:251-5.

34. Lim D, McKay M. Food-drug interactions. Drug Information Bull 1995;15(2) [review].

35. Threlkeld DS, ed. Systemic Anti-Infectives, Fluoroquinolones. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Feb 1994, 340n-40o.

36. Holt GA. Food & Drug Interactions. Chicago: Precept Press, 1998, 74.

37. Threlkeld DS, ed. Systemic Anti-Infectives, Fluoroquinolones. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Feb 1994, 340n-40o.

38. Zhu M, Wong PY, Li RC. Effects of Taraxacum mongolicum on the bioavailability and disposition of ciprofloxacin in rats. J Pharm Sci 1999;88:632-4.

39. Threlkeld DS, ed. Systemic Anti-Infectives, Fluoroquinolones. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Feb 1994, 340n-40o.

40. Suzuki K, Fukushima T, Meguro K, et al. Intracranial hemorrhage in an infant owing to vitamin K deficiency despite prophylaxis. Childs Nerv Syst 1999;15:292-4.

41. Huilgol VR, Markus SL, Vakil NB. Antibiotic-induced iatrogenic hemobilia. Am J Gastroenterol 1997;92:706-7.

42. Bandrowsky T, Vorono AA, Borris TJ, Marcantoni HW. Amoxicllin-related postextraction bleeding in an anticoagulated patient with tranexamic acid rinses. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 1996;82:610-2.

43. Kaiser CW, McAuliffe JD, Barth RJ, Lynch JA. Hypoprothrombinemia and hemorrhage in a surgical patient treated with cefotetan. Arch Surg 1991;126:524-5.

44. Conly J, Stein K. Reduction of vitamin K2 concentration in human liver associated with the use of broad spectrum antimicrobials. Clin Invest Med 1994;17:531-9.

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