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Montelukast

SACAA Part 67 assessment

Acceptable with conditions / grounding period

Active ingredient(s)

Montelukast

Leukotriene receptor antagonist

Stabilisation period

At least 2 weeks stable and side-effect free

Guidance notes

Generally acceptable for well-controlled asthma or allergic rhinitis, but montelukast is recognised to cause neuropsychiatric effects — vivid dreams, sleep disturbance, anxiety and mood change. Requires a stable, side-effect-free period and DAME notification, and the underlying asthma must itself be certified.

Known SA brand names

SingulairMontefloMontemaxAiron

Our DAME partners

SACAA certified DAME list

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.

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SACAA Aviation Medicine (official reference)