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Drug Interactions between Alka-Seltzer Lemon-Lime and Atrogen

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: Alka-Seltzer Lemon-Lime (aspirin/citric acid/sodium bicarbonate) and Alka-Seltzer Lemon-Lime (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

sodium bicarbonate pseudoephedrine

Applies to: Alka-Seltzer Lemon-Lime (aspirin / citric acid / sodium bicarbonate) and Atrogen (pseudoephedrine / triprolidine)

MONITOR: Alkalization of the urine decreases the urinary excretion increases the elimination half-life of ephedrine, pseudoephedrine, and related drugs. According to one report, an increase in pH from 5.1 to 7.1 increased the half-life of pseudoephedrine from 5 to 16 hours. Toxicity from long-term use of pseudoephedrine has been demonstrated in patients with persistently alkaline urine.

MANAGEMENT: Patients should be monitored for toxic effects such as tremor, anxiety, insomnia, irritability, or nervousness. Dosage reductions may be required.

References

  1. Brater DC, Kaojarern S, Benet LZ, et al. "Renal excretion of pseudoephedrine." Clin Pharmacol Ther 28 (1980): 690-4
  2. Wilkinson GR, Beckett AH "Absorption metabolism and excretion of the ephedrines in man. I. The influence of urinary pH and urine volume output." J Pharmacol Exp Ther 162 (1968): 139-47
  3. Kuntzman RG, Tsai I, Brand L, Mark LC "The influence of urinary pH on the plasma half-life of pseudoephedrine in man and dog and a sensitive assay for its determination in human plasma." Clin Pharmacol Ther 12 (1971): 62-7

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Drug and food interactions

Moderate

triprolidine food

Applies to: Atrogen (pseudoephedrine / triprolidine)

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

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Moderate

aspirin food

Applies to: Alka-Seltzer Lemon-Lime (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

pseudoephedrine food

Applies to: Atrogen (pseudoephedrine / triprolidine)

MONITOR: Coadministration of two or more sympathomimetic agents may increase the risk of adverse effects such as nervousness, irritability, and increased heart rate. Central nervous system (CNS) stimulants, particularly amphetamines, can potentiate the adrenergic response to vasopressors and other sympathomimetic agents. Additive increases in blood pressure and heart rate may occur due to enhanced peripheral sympathetic activity.

MANAGEMENT: Caution is advised if two or more sympathomimetic agents are coadministered. Pulse and blood pressure should be closely monitored.

References

  1. Rosenblatt JE, Lake CR, van Kammen DP, Ziegler MG, Bunney WE Jr "Interactions of amphetamine, pimozide, and lithium on plasma norepineophrine and dopamine-beta-hydroxylase in schizophrenic patients." Psychiatry Res 1 (1979): 45-52
  2. Cavanaugh JH, Griffith JD, Oates JA "Effect of amphetamine on the pressor response to tyramine: formation of p-hydroxynorephedrine from amphetamine in man." Clin Pharmacol Ther 11 (1970): 656
  3. "Product Information. Adderall (amphetamine-dextroamphetamine)." Shire Richwood Pharmaceutical Company Inc PROD (2001):
  4. "Product Information. Tenuate (diethylpropion)." Aventis Pharmaceuticals PROD (2001):
  5. "Product Information. Sanorex (mazindol)." Novartis Pharmaceuticals PROD (2001):
  6. "Product Information. Focalin (dexmethylphenidate)." Mikart Inc (2001):
  7. "Product Information. Strattera (atomoxetine)." Lilly, Eli and Company (2002):
View all 7 references

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Minor

aspirin food

Applies to: Alka-Seltzer Lemon-Lime (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

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

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