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DermacinRx Lexitral PharmaPak (capsaicin / diclofenac topical) Disease Interactions

There are 5 disease interactions with DermacinRx Lexitral PharmaPak (capsaicin / diclofenac topical):

Major

Nsaids (Includes DermacinRx Lexitral PharmaPak) ↔ Asthma

Severe Potential Hazard, High plausibility

Applies to: Asthma

Approximately 10% of patients with asthma may have aspirin-sensitive asthma, characterized by nasal polyposis, pansinusitis, eosinophilia, and precipitation of asthma and rhinitis attacks after ingestion of aspirin. The use of aspirin in these patients has been associated with severe bronchospasm and fatal anaphylactoid reactions. Since cross-sensitivity has been noted between aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs), therapy with any NSAID should be avoided in asthmatic patients with a history of aspirin or other NSAID sensitivity, and administered cautiously in all patients with preexisting asthma. Prior to initiating therapy with NSAIDs, patients should be questioned about previous allergic-type reactions to these agents. Salicylate salts, salsalate, salicylamide, and acetaminophen may be appropriate alternatives in patients with a history of NSAID-induced bronchospasm, since cross-sensitivity to these agents appears to be low. However, cross-sensitivity has been demonstrated occasionally with high dosages of these agents (e.g., acetaminophen >= 1000 mg), thus it may be appropriate to initiate therapy with low dosages and increase gradually. There is some evidence suggesting that COX-2 inhibitors may be safely used in patients with aspirin-sensitive asthma, although the labeling for these products contraindicate such use. If necessary, aspirin desensitization may also be attempted in some patients under medical surveillance.

References

  1. "Product Information. Voltaren (diclofenac)." Novartis Pharmaceuticals, East Hanover, NJ.
  2. "Product Information. Naprosyn (naproxen)." Syntex Laboratories Inc, Palo Alto, CA.
  3. Stevenson DD, Hougham AJ, Schrank PJ, Goldlust MB, Wilson RR "Salsalate cross-sensitivity in aspirin-sensitive patients with asthma." J Allergy Clin Immunol 86 (1990): 749-58
View all 38 references
Moderate

Diclofenac Topical (Includes DermacinRx Lexitral PharmaPak) ↔ Renal Dysfunction

Moderate Potential Hazard, Moderate plausibility

Applies to: Renal Dysfunction

No information is available from controlled clinical trials regarding the use of topical diclofenac in patients with advanced renal disease. Therefore, treatment with this drug is not recommended in patients with advanced renal disease. If therapy with topical diclofenac is initiated, close monitoring of the patient's renal function is advisable.

Moderate

Nsaids (Includes DermacinRx Lexitral PharmaPak) ↔ Heart Failure

Moderate Potential Hazard, Moderate plausibility

Applies to: Congestive Heart Failure

Fluid retention and edema have been observed in patients treated with NSAIDs, including some topical formulations. These drugs should be used with caution in patients with fluid retention or heart failure.

Moderate

Nsaids (Includes DermacinRx Lexitral PharmaPak) ↔ Hypertension

Moderate Potential Hazard, Moderate plausibility

Applies to: Hypertension

NSAIDs including topicals can lead to the onset of new hypertension or worsening of preexisting hypertension, either of which can contribute to the increased incidence of cardiovascular events. Blood pressure should be monitored closely during NSAID therapy and throughout the course of therapy.

Moderate

Nsaids (Includes DermacinRx Lexitral PharmaPak) ↔ Platelet Aggregation Inhibition

Moderate Potential Hazard, Moderate plausibility

Applies to: Coagulation Defect, Thrombocytopenia, Vitamin K Deficiency

Nonsteroidal anti-inflammatory drugs (NSAIDs) reversibly inhibit platelet adhesion and aggregation and may prolong bleeding time in some patients. With the exception of aspirin, the platelet effects seen with most NSAIDs at usual recommended dosages are generally slight and of relatively short duration but may be more pronounced in patients with underlying hemostatic abnormalities. Thrombocytopenia has also been reported rarely during NSAID use. Therapy with NSAIDs should be administered cautiously in patients with significant active bleeding or a hemorrhagic diathesis, including hemostatic and/or coagulation defects associated with hemophilia, vitamin K deficiency, hypoprothrombinemia, thrombocytopenia, thrombocytopathy, or severe hepatic impairment. NSAIDs that selectively inhibit cyclooxygenase-2 (i.e., COX-2 inhibitors) do not appear to affect platelet function or bleeding time at indicated dosages and may be preferable if risk of bleeding is a concern.

References

  1. "Product Information. Relafen (nabumetone)." SmithKline Beecham, Philadelphia, PA.
  2. Leese PT, Hubbard RC, Karim A, Isakson PC, Yu SS, Geis GS "Effects of celecoxib, a novel cyclooxygenase-2 inhibitor, on platelet function in healthy adults: A randomized, controlled trial." J Clin Pharmacol 40 (2000): 124-32
  3. Hyson CP, Kazakoff MA "A severe multisystem reaction to sulindac." Arch Intern Med 151 (1991): 387-8
View all 56 references

DermacinRx Lexitral PharmaPak (capsaicin / diclofenac topical) drug Interactions

There are 174 drug interactions with DermacinRx Lexitral PharmaPak (capsaicin / diclofenac topical)

DermacinRx Lexitral PharmaPak (capsaicin / diclofenac topical) alcohol/food Interactions

There is 1 alcohol/food interaction with DermacinRx Lexitral PharmaPak (capsaicin / diclofenac topical)

Drug Interaction Classification

The classifications below are a general guideline only. It is difficult to determine the relevance of a particular drug interaction to any individual given the large number of variables.

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.

Do not stop taking any medications without consulting your healthcare provider.

Disclaimer: Every effort has been made to ensure that the information provided by Multum is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. Multum's information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill, knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective, or appropriate for any given patient. Multum Information Services, Inc. does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. Copyright 2000-2017 Multum Information Services, Inc. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse, or pharmacist.

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