Drug Interaction Report
2 potential interactions and/or warnings found for the following 2 drugs:
- riluzole
- ropivacaine / sufentanil
Interactions between your drugs
riluzole ROPivacaine
Applies to: riluzole, ropivacaine / sufentanil
Ropivacaine serum concentrations may increase when given with drugs metabolized by the CYP450 isoenzyme 1A2. The theorized mechanism is via competitive inhibition. Information is only available from in-vitro studies. The clinical significance is unknown. Consider monitoring the patient more closely for prolonged or excessive ropivacaine effects if these agents are coadministered.
References (1)
- (2001) "Product Information. Naropin (ropivacaine)." Astra-Zeneca Pharmaceuticals
Drug and food/lifestyle interactions
SUFentanil food/lifestyle
Applies to: ropivacaine / sufentanil
GENERALLY AVOID: Ethanol may potentiate the central nervous system (CNS) depressant effects of opioid analgesics. Concomitant use may result in additive CNS depression and impairment of judgment, thinking, and psychomotor skills. In more severe cases, hypotension, respiratory depression, profound sedation, coma, or even death may occur.
MANAGEMENT: Concomitant use of opioid analgesics with ethanol should be avoided.
References (9)
- Linnoila M, Hakkinen S (1974) "Effects of diazepam and codeine, alone and in combination with alcohol, on simulated driving." Clin Pharmacol Ther, 15, p. 368-73
- Sturner WQ, Garriott JC (1973) "Deaths involving propoxyphene: a study of 41 cases over a two-year period." JAMA, 223, p. 1125-30
- Girre C, Hirschhorn M, Bertaux L, et al. (1991) "Enhancement of propoxyphene bioavailability by ethanol: relation to psychomotor and cognitive function in healthy volunteers." Eur J Clin Pharmacol, 41, p. 147-52
- Levine B, Saady J, Fierro M, Valentour J (1984) "A hydromorphone and ethanol fatality." J Forensic Sci, 29, p. 655-9
- Sellers EM, Hamilton CA, Kaplan HL, Degani NC, Foltz RL (1985) "Pharmacokinetic interaction of propoxyphene with ethanol." Br J Clin Pharmacol, 19, p. 398-401
- Carson DJ (1977) "Fatal dextropropoxyphene poisoning in Northern Ireland. Review of 30 cases." Lancet, 1, p. 894-7
- Rosser WW (1980) "The interaction of propoxyphene with other drugs." Can Med Assoc J, 122, p. 149-50
- Edwards C, Gard PR, Handley SL, Hunter M, Whittington RM (1982) "Distalgesic and ethanol-impaired function." Lancet, 2, p. 384
- Kiplinger GF, Sokol G, Rodda BE (1974) "Effect of combined alcohol and propoxyphene on human performance." Arch Int Pharmacodyn Ther, 212, p. 175-80
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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