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Metronidazole, Atovaquone, Chloroquine
SACAA Part 67 assessment
Acceptable with conditions / grounding period
Contains alcohol or may contain alcohol
No aviation duty within 8 hours of any alcohol — and never above 0.02 g/100 ml blood alcohol concentration.
Many liquid medicines (cough mixtures, elixirs, tinctures, tonics, some drops and mouthwashes) contain ethanol as a solvent, and the label may only say 'ethanol', 'alcohol' or 'spiritus'. No aviation duty within 8 hours of consuming any alcohol, and never with a blood alcohol concentration of 0.02 g/100 ml or higher (CAR 91.02.3 / Part 67). Alcohol also multiplies the sedating effect of antihistamines, benzodiazepines, opioids and Z-drugs. Choose an alcohol-free preparation whenever one exists, and check the label of every liquid medicine before duty.
Active ingredient(s)
Metronidazole, Atovaquone, Chloroquine
Anti-protozoal
Typical grounding period: 8 hours
Driven by Alcohol / ethanol-containing preparations.
Measured from the last dose, and only once completely side-effect free.
Guidance notes
Acceptable with no side effects. Metronidazole must never be combined with alcohol. Chloroquine may cause visual disturbance on prolonged use. The illness being treated must itself be compatible with duty.
Known SA brand names
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