Giardiasis
Treatment of giardiasis
Metronidazole
Metronidazole 400mg tablets
2g once daily for 3 days, alternatively 400mg every 8 hours for 5 days.
Metronidazole 200mg/5ml oral suspension
2g once daily for 3 days, alternatively 400mg every 8 hours for 5 days.
Prescribing Notes:
- Giardia is notifiable
- Avoid work or other institutional/social settings until at least 48 hours after the last episode of diarrhoea or vomiting
- Avoid swimming for 2 weeks after the last episode of diarrhoea
- Clearance samples should not be sent
History Notes
10/10/2024
Prescribing information updated, ERWG Sept 24
15/12/2021
East Region Formulary content agreed.
Treatment of giardiasis
Metronidazole
Metronidazole 200mg tablets
Refer to BNFc for dose and duration.
Metronidazole 400mg tablets
Refer to BNFc for dose and duration.
Metronidazole 500mg tablets
Refer to BNFc for dose and duration.
Metronidazole 200mg/5ml oral suspension
Refer to BNFc for dose and duration.
Prescribing Notes:
- Giardia is notifiable
- Avoid work or other institutional/social settings until at least 48 hours after the last episode of diarrhoea or vomiting
- Avoid swimming for 2 weeks after the last episode of diarrhoea
- Clearance samples should not be sent
History Notes
10/10/2024
Prescribing information updated, ERWG Sept 24
15/01/2024
East Region Formulary content agreed.