Drug Interaction Report
2 potential interactions and/or warnings found for the following 2 drugs:
- Citrocarbonate (sodium bicarbonate / sodium citrate)
- ma huang
Interactions between your drugs
sodium bicarbonate ma huang
Applies to: Citrocarbonate (sodium bicarbonate / sodium citrate), ma huang
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 (3)
- Brater DC, Kaojarern S, Benet LZ, et al. (1980) "Renal excretion of pseudoephedrine." Clin Pharmacol Ther, 28, p. 690-4
- Wilkinson GR, Beckett AH (1968) "Absorption metabolism and excretion of the ephedrines in man. I. The influence of urinary pH and urine volume output." J Pharmacol Exp Ther, 162, p. 139-47
- Kuntzman RG, Tsai I, Brand L, Mark LC (1971) "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, p. 62-7
sodium citrate ma huang
Applies to: Citrocarbonate (sodium bicarbonate / sodium citrate), ma huang
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 (3)
- Brater DC, Kaojarern S, Benet LZ, et al. (1980) "Renal excretion of pseudoephedrine." Clin Pharmacol Ther, 28, p. 690-4
- Wilkinson GR, Beckett AH (1968) "Absorption metabolism and excretion of the ephedrines in man. I. The influence of urinary pH and urine volume output." J Pharmacol Exp Ther, 162, p. 139-47
- Kuntzman RG, Tsai I, Brand L, Mark LC (1971) "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, p. 62-7
Drug and food interactions
No alcohol/food interactions were found with the drugs in your list. However, this does not necessarily mean no food interactions exist. Always consult your healthcare provider.
Therapeutic duplication warnings
No duplication 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
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| 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. | |
| No interaction information available. |
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