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H2 receptor antagonists (Cimetidine, Ranitidine, Famotidine)
SACAA Part 67 assessment
Acceptable with conditions / grounding period
Active ingredient(s)
H2 receptor antagonists (Cimetidine, Ranitidine, Famotidine)
Acid suppression — H2 antagonist
Typical grounding period: 12 hours
Measured from the last dose, and only once completely side-effect free.
Guidance notes
Cimetidine is allowed only if taken more than 8 hours before aviation activity; ranitidine only if taken more than 12 hours before. A proton pump inhibitor such as omeprazole is generally the preferred acceptable option.
Known SA brand names
Our DAME partners
Dr Berlize du Plessis
Senior DAME · MS213
Kenridge, Cape Town
Dr Brandon Head
Senior DAME · MS229
Sunninghill, Sandton
Dr Ernest Schutz
Senior DAME · MS028
Germiston
Dr Mariska van Tonder
Senior DAME · MS222
Somerset West
Dr Richard Albrecht
Senior DAME · MS074
Strubensvalley, Roodepoort
Dr. Schalk Reyneke
Senior DAME · MS123
Honeydew, Roodepoort
Possible acceptable alternatives (same therapeutic group)
Alternatives are informational only. The underlying medical condition must also be assessed by a DAME — a condition can ground you even when the medicine is acceptable.