Drug Interaction Report
2 potential interactions and/or warnings found for the following 2 drugs:
- ginger / magnesium sulfate / pyridoxine
- pentobarbital
Interactions between your drugs
PENTobarbital pyridoxine
Applies to: pentobarbital, ginger / magnesium sulfate / pyridoxine
One small study has suggested that pyridoxine may decrease serum levels of phenobarbital. The mechanism is unknown. Phenobarbital is the only barbiturate specifically implicated in this interaction. However, other barbiturates may behave in a similar fashion. Close observation for altered barbiturate effects is indicated if these drugs must be used together.
References (1)
- Hansson O, Sillanpaa M (1976) "Pyridoxine and serum concentration of phenytoin and phenobarbitone." Lancet, 1, p. 256
Drug and food interactions
PENTobarbital food
Applies to: pentobarbital
GENERALLY AVOID: Concurrent acute use of barbiturates and ethanol may result in additive CNS effects, including impaired coordination, sedation, and death. Tolerance of these agents may occur with chronic use. The mechanism is related to inhibition of microsomal enzymes acutely and induction of hepatic microsomal enzymes chronically.
MANAGEMENT: The combination of ethanol and barbiturates should be avoided.
References (5)
- Gupta RC, Kofoed J (1966) "Toxological statistics for barbiturates, other sedatives, and tranquilizers in Ontario: a 10-year survey." Can Med Assoc J, 94, p. 863-5
- Misra PS, Lefevre A, Ishii H, Rubin E, Lieber CS (1971) "Increase of ethanol, meprobamate and pentobarbital metabolism after chronic ethanol administration in man and in rats." Am J Med, 51, p. 346-51
- Saario I, Linnoila M (1976) "Effect of subacute treatment with hypnotics, alone or in combination with alcohol, on psychomotor skills related to driving." Acta Pharmacol Toxicol (Copenh), 38, p. 382-92
- Stead AH, Moffat AC (1983) "Quantification of the interaction between barbiturates and alcohol and interpretation of fatal blood concentrations." Hum Toxicol, 2, p. 5-14
- Seixas FA (1979) "Drug/alcohol interactions: avert potential dangers." Geriatrics, 34, p. 89-102
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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