Drug interactions between doxycycline and ethanol
Results for the following 2 drugs: |
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|---|---|
| doxycycline | |
| ethanol | |
Interactions between your selected drugs
doxycycline ⇔ ethanol
Applies to: doxycycline and ethanol
Chronic alcohol consumption may enhance the elimination of doxycycline. The mechanism is induction of hepatic microsomal enzymes by alcohol. In one study, the half-life of doxycycline in six alcoholics was 10.5 hours, compared with 14.7 hours in six control patients. In addition, half the alcoholic patients had serum concentrations below what is generally considered the minimum therapeutic concentration (0.5 mcg/mL) at 12 to 24 hours after the dose. The investigators suggest that twice-a-day dosing may be indicated in these patients, especially if additional inducing drugs are used. The elimination of other tetracyclines probably is not affected by alcohol consumption.
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