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Drug Interactions between amlodipine / celecoxib and Medique Medi-Seltzer

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

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Interactions between your drugs

Moderate

aspirin sodium bicarbonate

Applies to: Medique Medi-Seltzer (aspirin/citric acid/sodium bicarbonate) and Medique Medi-Seltzer (aspirin/citric acid/sodium bicarbonate)

MONITOR: Agents that cause urinary alkalinization can reduce serum salicylate concentrations in patients receiving anti-inflammatory dosages of aspirin or other salicylates. The mechanism involves reduction in salicylate renal tubular reabsorption due to increased urinary pH, resulting in increased renal salicylate clearance especially above urine pH of 7. This interaction is sometimes exploited in the treatment of salicylate toxicity.

MANAGEMENT: Patients treated chronically with urinary alkalinizers and large doses of salicylates (i.e. 3 g/day or more) should be monitored for potentially diminished or inadequate analgesic and anti-inflammatory effects, and the salicylate dosage adjusted if necessary.

References

  1. Berg KJ "Acute acetylsalicylic acid poisoning: treatment with forced alkaline diuresis and diuretics." Eur J Clin Pharmacol 12 (1977): 111-6
  2. Prescott LF, Balali-Mood M, Critchley JA, Johnstone AF, Proudfoot AT "Diuresis or urinary alkalinisation for salicylate poisoning?" Br Med J (Clin Res Ed) 285 (1982): 1383-6
  3. Balali-Mood M, Prescott LF "Failure of alkaline diuresis to enhance diflunisal elimination." Br J Clin Pharmacol 10 (1980): 163-5
  4. Berg KJ "Acute effects of acetylsalicylic acid in patients with chronic renal insufficiency." Eur J Clin Pharmacol 11 (1977): 111-6
  5. Brouwers JRBJ, Desmet PAGM "Pharmacokinetic-pharmacodynamic drug interactions with nonsteroidal anti-inflammatory drugs." Clin Pharmacokinet 27 (1994): 462-85
View all 5 references

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Moderate

aspirin amLODIPine

Applies to: Medique Medi-Seltzer (aspirin / citric acid / sodium bicarbonate) and amlodipine / celecoxib

MONITOR: Limited data indicate that some cyclooxygenase inhibitors may attenuate the antihypertensive effects of some calcium channel blockers. The mechanism appears to be related to an alteration of vascular tone, which is dependent on prostacyclins and other vasodilatory prostanoids. When a nonsteroidal anti-inflammatory drug (NSAID) is added to the regimen of a patient who is already taking a calcium channel blocker, increased blood pressure may result. Also, the clinician should be aware that the risk of hypotension is increased when NSAIDs are withdrawn from the regimen.

MANAGEMENT: Monitoring for altered blood pressure control is recommended.

References

  1. Ring ME, Corrigan JJ, Fenster PE "Effects of oral diltiazem on platelet function: alone and in combination with "low dose" aspirin." Thromb Res 44 (1986): 391-400
  2. Altman R, Scazziota A, Dujovne C "Diltiazem potentiates the inhibitory effect of aspirin on platelet aggregation." Clin Pharmacol Ther 44 (1988): 320-5
  3. Cremer KF, Pieper JA, Joyal M, Mehta J "Effects of diltiazem, dipyridamole, and their combination on hemostasis." Clin Pharmacol Ther 36 (1984): 641-4
  4. Minuz P, Pancera P, Ribul M, et al. "Amlodipine and haemodynamic effects of cyclo-oxygenase inhibition." Br J Clin Pharmacol 39 (1995): 45-50
  5. Houston MC, Weir M, Gray J, et al. "The effects of nonsteroidal anti-inflammatory drugs on blood pressures of patients with hypertension controlled by verapamil." Arch Intern Med 155 (1995): 1049-54
  6. Deleeuw PW "Nonsteroidal anti-inflammatory drugs and hypertension: the risks in perspective." Drugs 51 (1996): 179-87
  7. "Product Information. DurAct (bromfenac)." Wyeth-Ayerst Laboratories PROD
  8. "Product Information. Arthrotec (diclofenac-misoprostol)." Searle PROD (2001):
  9. Zanchetti A, Hansson L, Leonetti G, et al. "Low-dose aspirin does not interfere with the blood pressure-lowering effects of antihypertensive therapy." J Hypertens 20 (2002): 1015-1022
View all 9 references

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Moderate

aspirin celecoxib

Applies to: Medique Medi-Seltzer (aspirin / citric acid / sodium bicarbonate) and amlodipine / celecoxib

MONITOR: The combined use of low-dose or high-dose aspirin with other nonsteroidal anti-inflammatory drugs (NSAIDs) may increase the potential for serious gastrointestinal (GI) toxicity, including inflammation, bleeding, ulceration, and perforation. Aspirin at anti-inflammatory dosages or higher may also decrease the plasma concentrations of many NSAIDs. The decreases have ranged from none or small (piroxicam, meloxicam, naproxen, tolmetin) to substantial (flurbiprofen, ibuprofen). However, the therapeutic response does not appear to be affected. Investigators theorize that aspirin may displace NSAIDs from plasma protein binding sites, resulting in increased concentration of unbound, or free, drug available for clearance. The increase in NSAID free fraction, and possibly some contributory anti-inflammatory effect from aspirin, may account for the lack of overall effect on therapeutic response.

MANAGEMENT: Caution is advised if aspirin, particularly at anti-inflammatory dosages, is used with other NSAIDs. Concomitant administration of NSAIDs is considered contraindicated or not recommended with aspirin at analgesic/anti-inflammatory dosages by many NSAID manufacturers. During concomitant therapy, patients should be advised to take the medications with food and to immediately report signs and symptoms of GI ulceration and bleeding such as abdominal pain, bloating, sudden dizziness or lightheadedness, nausea, vomiting, hematemesis, anorexia, and melena.

References

  1. Furst DE, Sarkissian E, Blocka K, et al. "Serum concentrations of salicylate and naproxen during concurrent therapy in patients with rheumatoid arthritis." Arthritis Rheum 30 (1987): 1157-61
  2. Abdel-Rahman MS, Reddi AS, Curro FA, Turkall RM, Kadry AM, Hansrote JA "Bioavailability of aspirin and salicylamide following oral co-administration in human volunteers." Can J Physiol Pharmacol 69 (1991): 1436-42
  3. Gruber CM "Clinical pharmacology of fenoprofen: a review." J Rheumatol 2 (1976): 8-17
  4. Cressman WA, Wortham GF, Plostnieks J "Absorption and excretion of tolemetin in man." Clin Pharmacol Ther 19 (1976): 224-33
  5. Kwan KC, Breault GO, Davis RL, et al. "Effects of concomitant aspirin administration on the pharmacokinetics of indomethacin in man." J Pharmacokinet Biopharm 6 (1978): 451-76
  6. Rubin A, Rodda BE, Warrick P, Gruber CM Jr, Ridolfo RS "Interactions of aspirin with nonsteroidal antiinflammatory drugs in man." Arthritis Rheum 16 (1973): 635-45
  7. Brooks PM, Walker JJ, Bell MA, Buchanan WW, Rhymer AR "Indomethacin--aspirin interaction: a clinical appraisal." Br Med J 3 (1975): 69-11
  8. Tempero KF, Cirillo VJ, Steelman SL "Diflunisal: a review of pharmacokinetic and pharmacodynamic properties, drug interactions, and special tolerability studies in humans." Br J Clin Pharmacol 4 (1977): s31-6
  9. Willis JV, Kendall MJ, Jack DB "A study of the effect of aspirin on the pharmacokinetics of oral and intravenous diclofenac sodium." Eur J Clin Pharmacol 18 (1980): 415-8
  10. Muller FO, Hundt HK, Muller DG "Pharmacokinetic and pharmacodynamic implications of long-term administration of non-steroidal anti-inflammatory agents." Int J Clin Pharmacol Biopharm 15 (1977): 397-402
  11. Hobbs DC, Twomey TM "Piroxicam pharmacokinetics in man: aspirin and antacid interaction studies." J Clin Pharmacol 19 (1979): 270-81
  12. Pawlotsky Y, Chales G, Grosbois B, Miane B, Bourel M "Comparative interaction of aspirin with indomethacin and sulindac in chronic rheumatic diseases." Eur J Rheumatol Inflamm 1 (1978): 18-20
  13. Segre EJ, Chaplin M, Forchielli E, Runkel R, Sevelius H "Naproxen-aspirin interactions in man." Clin Pharmacol Ther 15 (1973): 374-9
  14. Bird HA, Hill J, Leatham P, Wright V "A study to determine the clinical relevance of the pharmacokinetic interaction between aspirin and diclofenac." Agents Actions 18 (1986): 447-9
  15. Brooks PM, Khong T "Flurbiprofen-aspirin interaction: a double-blind crossover study." Curr Med Res Opin 5 (1977): 53-7
  16. Grennan DM, Ferry DG, Ashworth ME, Kenny RE, Mackinnnon M "The aspirin-ibuprofen interaction in rheumatoid arthritis." Br J Clin Pharmacol 8 (1979): 497-503
  17. Williams RL, Upton RA, Buskin JN, Jones RM "Ketoprofen-aspirin interactions." Clin Pharmacol Ther 30 (1981): 226-31
  18. Kaiser DG, Brooks CD, Lomen PL "Pharmacokinetics of flurbiprofen." Am J Med 80 (1986): 10-5
  19. Kahn SB, Hubsher JA "Effects of oxaprozin alone or in combination with aspirin on hemostasis and plasma protein binding." J Clin Pharmacol 23 (1983): 139-46
  20. "Product Information. Mobic (meloxicam)." Boehringer-Ingelheim PROD (2001):
  21. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  22. Cerner Multum, Inc. "Australian Product Information." O 0
View all 22 references

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Drug and food interactions

Moderate

aspirin food

Applies to: Medique Medi-Seltzer (aspirin/citric acid/sodium bicarbonate)

GENERALLY AVOID: The concurrent use of aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs) and ethanol may lead to gastrointestinal (GI) blood loss. The mechanism may be due to a combined local effect as well as inhibition of prostaglandins leading to decreased integrity of the GI lining.

MANAGEMENT: Patients should be counseled on this potential interaction and advised to refrain from alcohol consumption while taking aspirin or NSAIDs.

References

  1. "Product Information. Motrin (ibuprofen)." Pharmacia and Upjohn PROD (2002):

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Moderate

amLODIPine food

Applies to: amlodipine / celecoxib

MONITOR: Many psychotherapeutic and CNS-active agents (e.g., anxiolytics, sedatives, hypnotics, antidepressants, antipsychotics, opioids, alcohol, muscle relaxants) exhibit hypotensive effects, especially during initiation of therapy and dose escalation. Coadministration with antihypertensives and other hypotensive agents, in particular vasodilators and alpha-blockers, may result in additive effects on blood pressure and orthostasis.

MANAGEMENT: Caution and close monitoring for development of hypotension is advised during coadministration of these agents. Some authorities recommend avoiding alcohol in patients receiving vasodilating antihypertensive drugs. Patients should be advised to avoid rising abruptly from a sitting or recumbent position and to notify their physician if they experience dizziness, lightheadedness, syncope, orthostasis, or tachycardia.

References

  1. Sternbach H "Fluoxetine-associated potentiation of calcium-channel blockers." J Clin Psychopharmacol 11 (1991): 390-1
  2. Shook TL, Kirshenbaum JM, Hundley RF, Shorey JM, Lamas GA "Ethanol intoxication complicating intravenous nitroglycerin therapy." Ann Intern Med 101 (1984): 498-9
  3. Feder R "Bradycardia and syncope induced by fluoxetine." J Clin Psychiatry 52 (1991): 139
  4. Ellison JM, Milofsky JE, Ely E "Fluoxetine-induced bradycardia and syncope in two patients." J Clin Psychiatry 51 (1990): 385-6
  5. Rodriguez de la Torre B, Dreher J, Malevany I, et al. "Serum levels and cardiovascular effects of tricyclic antidepressants and selective serotonin reuptake inhibitors in depressed patients." Ther Drug Monit 23 (2001): 435-40
  6. Cerner Multum, Inc. "Australian Product Information." O 0
  7. Pacher P, Kecskemeti V "Cardiovascular side effects of new antidepressants and antipsychotics: new drugs, old concerns?" Curr Pharm Des 10 (2004): 2463-75
  8. Andrews C, Pinner G "Postural hypotension induced by paroxetine." BMJ 316 (1998): 595
View all 8 references

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Moderate

amLODIPine food

Applies to: amlodipine / celecoxib

MONITOR: Calcium-containing products may decrease the effectiveness of calcium channel blockers by saturating calcium channels with calcium. Calcium chloride has been used to manage acute severe verapamil toxicity.

MANAGEMENT: Management consists of monitoring the effectiveness of calcium channel blocker therapy during coadministration with calcium products.

References

  1. Henry M, Kay MM, Viccellio P "Cardiogenic shock associated with calcium-channel and beta blockers: reversal with intravenous calcium chloride." Am J Emerg Med 3 (1985): 334-6
  2. Moller IW "Cardiac arrest following intravenous verapamil combined with halothane anaesthesia." Br J Anaesth 59 (1987): 522-6
  3. Oszko MA, Klutman NE "Use of calcium salts during cardiopulmonary resuscitation for reversing verapamil-associated hypotension." Clin Pharm 6 (1987): 448-9
  4. Schoen MD, Parker RB, Hoon TJ, et al. "Evaluation of the pharmacokinetics and electrocardiographic effects of intravenous verapamil with intravenous calcium chloride pretreatment in normal subjects." Am J Cardiol 67 (1991): 300-4
  5. O'Quinn SV, Wohns DH, Clarke S, Koch G, Patterson JH, Adams KF "Influence of calcium on the hemodynamic and anti-ischemic effects of nifedipine observed during treadmill exercise testing." Pharmacotherapy 10 (1990): 247
  6. Woie L, Storstein L "Successful treatment of suicidal verapamil poisoning with calcium gluconate." Eur Heart J 2 (1981): 239-42
  7. Morris DL, Goldschlager N "Calcium infusion for reversal of adverse effects of intravenous verapamil." JAMA 249 (1983): 3212-3
  8. Guadagnino V, Greengart A, Hollander G, Solar M, Shani J, Lichstein E "Treatment of severe left ventricular dysfunction with calcium chloride in patients receiving verapamil." J Clin Pharmacol 27 (1987): 407-9
  9. Luscher TF, Noll G, Sturmer T, Huser B, Wenk M "Calcium gluconate in severe verapamil intoxication." N Engl J Med 330 (1994): 718-20
  10. Bar-Or D, Gasiel Y "Calcium and calciferol antagonise effect of verapamil in atrial fibrillation." Br Med J (Clin Res Ed) 282 (1981): 1585-6
  11. Lipman J, Jardine I, Roos C, Dreosti L "Intravenous calcium chloride as an antidote to verapamil-induced hypotension." Intensive Care Med 8 (1982): 55-7
  12. McMillan R "Management of acute severe verapamil intoxication." J Emerg Med 6 (1988): 193-6
  13. Perkins CM "Serious verapamil poisoning: treatment with intravenous calcium gluconate." Br Med J 2 (1978): 1127
  14. Moroni F, Mannaioni PF, Dolara A, Ciaccheri M "Calcium gluconate and hypertonic sodium chloride in a case of massive verapamil poisoning." Clin Toxicol 17 (1980): 395-400
View all 14 references

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Minor

amLODIPine food

Applies to: amlodipine / celecoxib

The consumption of grapefruit juice may slightly increase plasma concentrations of amlodipine. The mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruits. Data have been conflicting and the clinical significance is unknown. Monitoring for calcium channel blocker adverse effects (e.g., headache, hypotension, syncope, tachycardia, edema) is recommended.

References

  1. Bailey DG, Arnold JMO, Spence JD "Grapefruit juice and drugs - how significant is the interaction." Clin Pharmacokinet 26 (1994): 91-8
  2. Josefsson M, Zackrisson AL, Ahlner J "Effect of grapefruit juice on the pharmacokinetics of amlodipine in healthy volunteers." Eur J Clin Pharmacol 51 (1996): 189-93
  3. Bailey DG, Malcolm J, Arnold O, Spence JD "Grapefruit juice-drug interactions." Br J Clin Pharmacol 46 (1998): 101-10
  4. Vincent J, Harris SI, Foulds G, Dogolo LC, Willavize S, Friedman HL "Lack of effect of grapefruit juice on the pharmacokinetics and pharmacodynamics of amlodipine." Br J Clin Pharmacol 50 (2000): 455-63
  5. Josefsson M, Ahlner J "Amlodipine and grapefruit juice." Br J Clin Pharmacol 53 (2002): 405; discussion 406
  6. Kane GC, Lipsky JJ "Drug-grapefruit juice interactions." Mayo Clin Proc 75 (2000): 933-42
View all 6 references

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Minor

aspirin food

Applies to: Medique Medi-Seltzer (aspirin/citric acid/sodium bicarbonate)

One study has reported that coadministration of caffeine and aspirin lead to a 25% increase in the rate of appearance and 17% increase in maximum concentration of salicylate in the plasma. A significantly higher area under the plasma concentration time curve of salicylate was also reported when both drugs were administered together. The exact mechanism of this interaction has not been specified. Physicians and patients should be aware that coadministration of aspirin and caffeine may lead to higher salicylate levels faster.

References

  1. Yoovathaworn KC, Sriwatanakul K, Thithapandha A "Influence of caffeine on aspirin pharmacokinetics." Eur J Drug Metab Pharmacokinet 11 (1986): 71-6

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Therapeutic duplication warnings

Therapeutic duplication is the use of more than one medicine from the same drug category or therapeutic class to treat the same condition. This can be intentional in cases where drugs with similar actions are used together for demonstrated therapeutic benefit. It can also be unintentional in cases where a patient has been treated by more than one doctor, or had prescriptions filled at more than one pharmacy, and can have potentially adverse consequences.

Duplication

Nonsteroidal anti-inflammatories

Therapeutic duplication

The recommended maximum number of medicines in the 'nonsteroidal anti-inflammatories' category to be taken concurrently is usually one. Your list includes two medicines belonging to the 'nonsteroidal anti-inflammatories' category:

  • amlodipine/celecoxib
  • Medique Medi-Seltzer (aspirin/citric acid/sodium bicarbonate)

Note: In certain circumstances, the benefits of taking this combination of drugs may outweigh any risks. Always consult your healthcare provider before making changes to your medications or dosage.

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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