Q: Which 2 relatively non-pharmacologic tricks can work in intractable hiccups in ICU?

Answer:

1. Give 2 ml Nebulised 0.9% saline over 5 minutes. It helps to relieve hiccup by pharyngeal stimulation.

2. Give Peppermint Water. Peppermint water helps by relaxing the lower oesophageal  sphincter.

Reference:

Twycross R, Wilcock A. - Symptom Management in Advanced Cancer. 3rd Edt. Radcliffe Medical Press. 2008