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Drug Interactions between Depakene and Dual-Action Acid Controller Complete

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Minor

valproic acid calcium carbonate

Applies to: Depakene (valproic acid) and Dual-Action Acid Controller Complete (calcium carbonate / famotidine / magnesium hydroxide)

Limited data suggest that concurrent administration of antacids may increase the bioavailability of valproic acid. The mechanism of interaction is unknown. In seven healthy volunteers, coadministration of a single 500 mg dose of valproic acid one hour after breakfast and an antacid containing aluminum-magnesium hydroxide (dose equal to 160 mEq of neutralizing capacity) one and three hours after meals and at bedtime on the same day resulted in a mean 12% increase (range 3% to 28%) in the total area under the concentration-time curve (AUC) of valproic acid compared to administration alone. These changes are unlikely to be of clinical importance, and no special precautions appear to be necessary. Equivalent doses of antacids containing either aluminum hydroxide-magnesium trisilicate or calcium carbonate also increased the AUC of valproic acid, but the differences were not statistically significant.

References

  1. May CA, Garnett WR, Small RE, Pellock JM (1982) "Effects of three antacids on the bioavailability of valproic acid." Clin Pharm, 1, p. 244-7
  2. (2001) "Product Information. Depakote (divalproex sodium)." Abbott Pharmaceutical

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Minor

famotidine calcium carbonate

Applies to: Dual-Action Acid Controller Complete (calcium carbonate / famotidine / magnesium hydroxide) and Dual-Action Acid Controller Complete (calcium carbonate / famotidine / magnesium hydroxide)

Antacids and some aluminum, calcium, and magnesium salts may decrease the plasma concentrations of H2-receptor antagonists during oral coadministration. The mechanism of interaction is unknown, but may involve reduced oral absorption due to increased gastric pH. Study data vary, with no changes to nearly 60% reductions in systemic exposures (AUCs) reported for cimetidine, famotidine, and ranitidine. The clinical significance has not been established. As a precaution, patients may consider taking H2-receptor antagonists one to two hours before antacids.

References

  1. Donn KH, Eshelman FN, Plachetka JR, et al. (1984) "The effects of antacid and propantheline on the absorption of oral ranitidine." Pharmacotherapy, 4, p. 89-92
  2. Albin H, Vincon G, Demotes-Mainard F, et al. (1984) "Effect of aluminium phosphate on the bioavailability of cimetidine and prednisolone." Eur J Clin Pharmacol, 26, p. 271-3
  3. Lin JH, Chremos AN, Kanovsky SM, Schwartz S, Yeh KC, Kann J (1987) "Effects of antacids and food on absorption of famotidine." Br J Clin Pharmacol, 24, p. 551-3
  4. Bodemar G, Norlander B, Walan A (1979) "Diminished absorption of cimetidine caused by antacids." Lancet, 02/24/79, p. 444-5
  5. Steinberg WM, Lewis JH, Katz DM (1982) "Antacids inhibit absorption of cimetidine." N Engl J Med, 307, p. 400-4
  6. Barzaghi N, Gatti G, Crema F, Perucca E (1989) "Impaired bioavailability of famotidine given concurrently with a potent antacid." J Clin Pharmacol, 29, p. 670-2
  7. Russell WL, Lopez LM, Normann SA, et al. (1984) "Effect of antacids on predicted steady-state cimetidine concentrations." Dig Dis Sci, 29, p. 385-9
  8. Shelly DW, Doering PL, Russell WL, Guild RT, Lopez LM, Perrin J (1986) "Effect of concomitant antacid administration on plasma cimetidine concentrations during repetitive dosing." Drug Intell Clin Pharm, 20, p. 792-5
  9. Albin H, Vincon G, Begaud B, Bistue C, Perez P (1987) "Effect of aluminum phosphate on the bioavailability of ranitidine." Eur J Clin Pharmacol, 32, p. 97-9
  10. Mihaly GW, Marino AT, Webster LK, Jones DB, Louis WJ, Smallwood RA (1982) "High dose of antacid (Mylanta II) reduces bioavailability of ranitidine." Br Med J, 285, p. 998-9
  11. Covington TR, eds., Lawson LC, Young LL (1993) "Handbook of Nonprescription Drugs." Washington, DC: American Pharmaceutical Association
  12. Bachmann KA, Sullivan TJ, Jauregui L, Reese J, Miller K, Levine L (1994) "Drug interactions of h-2-receptor antagonists." Scand J Gastroenterol, 29, p. 14-9
View all 12 references

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Minor

valproic acid magnesium hydroxide

Applies to: Depakene (valproic acid) and Dual-Action Acid Controller Complete (calcium carbonate / famotidine / magnesium hydroxide)

Limited data suggest that concurrent administration of antacids may increase the bioavailability of valproic acid. The mechanism of interaction is unknown. In seven healthy volunteers, coadministration of a single 500 mg dose of valproic acid one hour after breakfast and an antacid containing aluminum-magnesium hydroxide (dose equal to 160 mEq of neutralizing capacity) one and three hours after meals and at bedtime on the same day resulted in a mean 12% increase (range 3% to 28%) in the total area under the concentration-time curve (AUC) of valproic acid compared to administration alone. These changes are unlikely to be of clinical importance, and no special precautions appear to be necessary. Equivalent doses of antacids containing either aluminum hydroxide-magnesium trisilicate or calcium carbonate also increased the AUC of valproic acid, but the differences were not statistically significant.

References

  1. May CA, Garnett WR, Small RE, Pellock JM (1982) "Effects of three antacids on the bioavailability of valproic acid." Clin Pharm, 1, p. 244-7
  2. (2001) "Product Information. Depakote (divalproex sodium)." Abbott Pharmaceutical

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Minor

famotidine magnesium hydroxide

Applies to: Dual-Action Acid Controller Complete (calcium carbonate / famotidine / magnesium hydroxide) and Dual-Action Acid Controller Complete (calcium carbonate / famotidine / magnesium hydroxide)

Antacids and some aluminum, calcium, and magnesium salts may decrease the plasma concentrations of H2-receptor antagonists during oral coadministration. The mechanism of interaction is unknown, but may involve reduced oral absorption due to increased gastric pH. Study data vary, with no changes to nearly 60% reductions in systemic exposures (AUCs) reported for cimetidine, famotidine, and ranitidine. The clinical significance has not been established. As a precaution, patients may consider taking H2-receptor antagonists one to two hours before antacids.

References

  1. Donn KH, Eshelman FN, Plachetka JR, et al. (1984) "The effects of antacid and propantheline on the absorption of oral ranitidine." Pharmacotherapy, 4, p. 89-92
  2. Albin H, Vincon G, Demotes-Mainard F, et al. (1984) "Effect of aluminium phosphate on the bioavailability of cimetidine and prednisolone." Eur J Clin Pharmacol, 26, p. 271-3
  3. Lin JH, Chremos AN, Kanovsky SM, Schwartz S, Yeh KC, Kann J (1987) "Effects of antacids and food on absorption of famotidine." Br J Clin Pharmacol, 24, p. 551-3
  4. Bodemar G, Norlander B, Walan A (1979) "Diminished absorption of cimetidine caused by antacids." Lancet, 02/24/79, p. 444-5
  5. Steinberg WM, Lewis JH, Katz DM (1982) "Antacids inhibit absorption of cimetidine." N Engl J Med, 307, p. 400-4
  6. Barzaghi N, Gatti G, Crema F, Perucca E (1989) "Impaired bioavailability of famotidine given concurrently with a potent antacid." J Clin Pharmacol, 29, p. 670-2
  7. Russell WL, Lopez LM, Normann SA, et al. (1984) "Effect of antacids on predicted steady-state cimetidine concentrations." Dig Dis Sci, 29, p. 385-9
  8. Shelly DW, Doering PL, Russell WL, Guild RT, Lopez LM, Perrin J (1986) "Effect of concomitant antacid administration on plasma cimetidine concentrations during repetitive dosing." Drug Intell Clin Pharm, 20, p. 792-5
  9. Albin H, Vincon G, Begaud B, Bistue C, Perez P (1987) "Effect of aluminum phosphate on the bioavailability of ranitidine." Eur J Clin Pharmacol, 32, p. 97-9
  10. Mihaly GW, Marino AT, Webster LK, Jones DB, Louis WJ, Smallwood RA (1982) "High dose of antacid (Mylanta II) reduces bioavailability of ranitidine." Br Med J, 285, p. 998-9
  11. Covington TR, eds., Lawson LC, Young LL (1993) "Handbook of Nonprescription Drugs." Washington, DC: American Pharmaceutical Association
  12. Bachmann KA, Sullivan TJ, Jauregui L, Reese J, Miller K, Levine L (1994) "Drug interactions of h-2-receptor antagonists." Scand J Gastroenterol, 29, p. 14-9
View all 12 references

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Drug and food interactions

Moderate

valproic acid food

Applies to: Depakene (valproic acid)

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of CNS-active agents. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills.

MANAGEMENT: Patients receiving CNS-active agents should be warned of this interaction and advised to avoid or limit consumption of alcohol. Ambulatory patients should be counseled to avoid hazardous activities requiring complete mental alertness and motor coordination until they know how these agents affect them, and to notify their physician if they experience excessive or prolonged CNS effects that interfere with their normal activities.

References

  1. Warrington SJ, Ankier SI, Turner P (1986) "Evaluation of possible interactions between ethanol and trazodone or amitriptyline." Neuropsychobiology, 15, p. 31-7
  2. Gilman AG, eds., Nies AS, Rall TW, Taylor P (1990) "Goodman and Gilman's the Pharmacological Basis of Therapeutics." New York, NY: Pergamon Press Inc.
  3. (2012) "Product Information. Fycompa (perampanel)." Eisai Inc
  4. (2015) "Product Information. Rexulti (brexpiprazole)." Otsuka American Pharmaceuticals Inc
View all 4 references

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Moderate

calcium carbonate food

Applies to: Dual-Action Acid Controller Complete (calcium carbonate / famotidine / magnesium hydroxide)

ADJUST DOSING INTERVAL: Administration with food may increase the absorption of calcium. However, foods high in oxalic acid (spinach or rhubarb), or phytic acid (bran and whole grains) may decrease calcium absorption.

MANAGEMENT: Calcium may be administered with food to increase absorption. Consider withholding calcium administration for at least 2 hours before or after consuming foods high in oxalic acid or phytic acid.

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. Canadian Pharmacists Association (2006) e-CPS. http://www.pharmacists.ca/function/Subscriptions/ecps.cfm?link=eCPS_quikLink
  3. Cerner Multum, Inc. "Australian Product Information."
  4. Agencia Española de Medicamentos y Productos Sanitarios Healthcare (2008) Centro de información online de medicamentos de la AEMPS - CIMA. https://cima.aemps.es/cima/publico/home.html
  5. Mangels AR (2014) "Bone nutrients for vegetarians." Am J Clin Nutr, 100, epub
  6. Davies NT (1979) "Anti-nutrient factors affecting mineral utilization." Proc Nutr Soc, 38, p. 121-8
View all 6 references

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Minor

famotidine food

Applies to: Dual-Action Acid Controller Complete (calcium carbonate / famotidine / magnesium hydroxide)

H2 antagonists may reduce the clearance of nicotine. Cimetidine, 600 mg given twice a day for two days, reduced clearance of an intravenous nicotine dose by 30%. Ranitidine, 300 mg given twice a day for two days, reduced clearance by 10%. The clinical significance of this interaction is not known. Patients should be monitored for increased nicotine effects when using the patches or gum for smoking cessation and dosage adjustments should be made as appropriate.

References

  1. Bendayan R, Sullivan JT, Shaw C, Frecker RC, Sellers EM (1990) "Effect of cimetidine and ranitidine on the hepatic and renal elimination of nicotine in humans." Eur J Clin Pharmacol, 38, p. 165-9

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Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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