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Drug Interactions between captopril and eprosartan

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

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Interactions between your drugs

Major

captopril eprosartan

Applies to: captopril and eprosartan

GENERALLY AVOID: Coadministration of an ACE inhibitor in combination with an angiotensin II receptor antagonist may increase the risk of hyperkalemia, hypotension, syncope, and renal dysfunction due to additive or synergistic effects on the renin-angiotensin system.

MANAGEMENT: Dual blockade of the renin-angiotensin-aldosterone system by adding an ACE inhibitor to an angiotensin II receptor antagonist is not recommended, especially in patients with diabetic nephropathy. Most patients receiving the combination do not obtain any additional benefit compared to monotherapy. However, if the combination is considered medically necessary, serum electrolytes, blood pressure, and renal function should be closely monitored. Routine monitoring of electrolytes and renal function may be indicated in the elderly or patients with worsening heart failure or a risk for dehydration. Potassium supplementation should generally be avoided unless it is closely monitored, and patients should be advised to seek medical attention if they experience signs and symptoms of hyperkalemia such as weakness, listlessness, confusion, tingling of the extremities, and irregular heartbeat.

References

  1. (2001) "Product Information. Diovan (valsartan)." Novartis Pharmaceuticals
  2. (2001) "Product Information. Atacand (candesartan)." Astra-Zeneca Pharmaceuticals
  3. (2001) "Product Information. Micardis (telmisartan)." Boehringer-Ingelheim
  4. Laverman GD, Navis G, Henning RH, De Jong PE, De Zeeuw D (2002) "Dual renin-angiotensin system blockade at optimal doses for proteinuria." Kidney Int, 62, p. 1020-5
  5. Jacobsen P, Andersen S, Rossing K, Jensen BR, Parving HH (2003) "Dual blockade of the renin-angiotensin system versus maximal recommended dose of ACE inhibition in diabetic nephropathy." Kidney Int, 63, p. 1874-80
  6. Rossing K, Jacobsen P, Pietraszek L, Parving HH (2003) "Renoprotective effects of adding angiotensin II receptor blocker to maximal recommended doses of ACE inhibitor in diabetic nephropathy: a randomized double-blind crossover trial." Diabetes Care, 26, p. 2268-74
  7. Jacobsen P, Andersen S, Jensen BR, Parving HH (2003) "Additive effect of ACE inhibition and angiotensin II receptor blockade in type I diabetic patients with diabetic nephropathy." J Am Soc Nephrol, 14, p. 992-9
  8. McMurray JJ, Ostergren J, Swedberg K, et al. (2003) "Effects of candesartan in patients with chronic heart failure and reduced left-ventricular systolic function taking angiotensin-converting-enzyme inhibitors: the CHARM-Added trial." Lancet, 362, p. 767-71
  9. Pfeffer MA, McMurray JJ, Velazquez EJ, et al. (2003) "Valsartan, captopril, or both in myocardial infarction complicated by heart failure, left ventricular dysfunction, or both." N Engl J Med, 349, p. 1893-1906
  10. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  11. ONTARGET Investigators, Yusuf S, Teo KK, et al. (2008) "Telmisartan, ramipril, or both in patients at high risk for vascular events." N Engl J Med, 358, p. 1547-59
  12. Mann JF, Schmieder RE, McQueen M, et al. (2008) "Renal outcomes with telmisartan, ramipril, or both, in people at high vascular risk (the ONTARGET study): a multicentre, randomised, double-blind, controlled trial." Lancet, 372, p. 547-53
  13. Guthrie RM (2009) "Review of ONTARGET: treating patients at high risk for vascular events with telmisartan, ramipril, or both. Commentary." Postgrad Med, 121, p. 202-4
  14. National Kidney Foundation (2012) "KDOQI Clinical Practice Guideline for Diabetes and CKD: 2012 update." Am J Kidney Dis, 60, p. 850-86
  15. EMA. European Medicines Agency (2014) PRAC recommends against combined use of medicines affecting the renin-angiotensin (RAS) system: recommendation will now be considered by CHMP for final opinion. http://www.ema.europa.eu/docs/en_GB/document_library/Referrals_document/Renin-angiotensin_sys
  16. MHRA. Medicines and Healthcare Regulatory Agency (2014) Combination use of medicines from different classes of renin-angiotensin system blocking agents: risk of hyperkalaemia, hypotension, and impaired renal function--new warnings. http://www.mhra.gov.uk/Safetyinformation/DrugSafetyUpdate/CON426905
View all 16 references

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Drug and food interactions

Moderate

captopril food

Applies to: captopril

GENERALLY AVOID: Moderate-to-high dietary intake of potassium can cause hyperkalemia in some patients who are using angiotensin converting enzyme (ACE) inhibitors. In some cases, affected patients were using a potassium-rich salt substitute. ACE inhibitors can promote hyperkalemia through inhibition of the renin-aldosterone-angiotensin (RAA) system.

MANAGEMENT: It is recommended that patients who are taking ACE inhibitors be advised to avoid moderately high or high potassium dietary intake. Particular attention should be paid to the potassium content of salt substitutes.

References

  1. (2002) "Product Information. Vasotec (enalapril)." Merck & Co., Inc
  2. Good CB, McDermott L (1995) "Diet and serum potassium in patients on ACE inhibitors." JAMA, 274, p. 538
  3. Ray K, Dorman S, Watson R (1999) "Severe hyperkalaemia due to the concomitant use of salt substitutes and ACE inhibitors in hypertension: a potentially life threatening interaction." J Hum Hypertens, 13, p. 717-20

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Moderate

eprosartan food

Applies to: eprosartan

GENERALLY AVOID: Moderate-to-high dietary intake of potassium, especially salt substitutes, may increase the risk of hyperkalemia in some patients who are using angiotensin II receptor blockers (ARBs). ARBs can promote hyperkalemia through inhibition of angiotensin II-induced aldosterone secretion. Patients with diabetes, heart failure, dehydration, or renal insufficiency have a greater risk of developing hyperkalemia.

MANAGEMENT: Patients should receive dietary counseling and be advised to not use potassium-containing salt substitutes or over-the-counter potassium supplements without consulting their physician. If salt substitutes are used concurrently, regular monitoring of serum potassium levels is recommended. Patients should also be advised to seek medical attention if they experience symptoms of hyperkalemia such as weakness, irregular heartbeat, confusion, tingling of the extremities, or feelings of heaviness in the legs.

References

  1. (2001) "Product Information. Cozaar (losartan)." Merck & Co., Inc
  2. (2001) "Product Information. Diovan (valsartan)." Novartis Pharmaceuticals

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Moderate

captopril food

Applies to: captopril

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

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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.

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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

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