Mucormycosis is one of the sinister variant of fungal rhinosinusitis. An immunocompromised case with mucormycosis requires prompt diagnosis, in order to prevent a fatal outcome. Though the primary cause lies in the nose and sinus, due to lack of awareness, patients usually visits a physician, an ophthalmologist and may be then the otorhinolaryngologist, during this period, patient would have progressed to an advanced stage missing the early intervention. This case report of 70 year old male with mucormycosis of left side of the nose and sinus with paradoxical involvement of right eye and has been successfully treated with repeated endoscopic clearance of the crusts and diabetic control. Since the disease has a stormy course and rapid progression,
an early diagnosis and aggressive management is imperative and all the more so when the presentation is paradoxically elusive to avoid complications.

Keywords: Mucormycosis; Amphotericin; Fungal