[Transitory ischemic attacks, migraine and progestogen drugs. Etiopathogenetic correlations].

Two cases of transitory ischaemic attacks, which occurred during progestogen therapy, are reported. Clinical history and symptoms of both patients suggested migraine disorder. Therefore, the hypothesis is made that also progestogen-only preparations, likewise oestrogen-progestogen oral contraceptives, may cause neurological troubles by vasomotor mechanisms.