Nasopharyngeal carcinoma is an uncommon cancer but has a distinct racial and geographic distribution. Patient presents with constellation of signs and symptoms due to its vicinity to critical structures and are best treated by conformal concurrent chemo-radiotherapy. We present a case of 45-year-old male diagnosed with carcinoma nasopharynx, referred to us for radiotherapy after three cycles of neoadjuvant chemotherapy. As per the prevailing standard of care, patient was planned for radiotherapy by volumetric arc technique with concurrent cisplatin. Initial days of treatment were uneventful. After fourth week of treatment, patient developed persistent hiccup which was not relieved on conservative medications. Plan was re-evaluated and it revealed maximum dose of 54.6 Gy to the brainstem. Radiotherapy induced edema that could have stimulated vagus nerve leading to hiccups was suspected. Patient was started on injectable steroid and chlorpromazine. There was prompt recovery from the symptom within five days of conservative treatment.
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