[Unfavourable effects of the sublingual isosorbide dinitrate. Osbervations on nine personal cases (author's transl)].

Nine among our patients have shown some phenomena of intolerance owing to the engagement of the sublingual isosorbide dinitrate. Even if these troubles are comparatively rare (no more than 10% of the cases we have examined), nevertheless we deem it necessary to exhort to some prudence in the administration of this drug, at least for the first time.