Swallowing a teaspoon of granulated sugar to interrupt the hiccup reflex.

Prescription chlorpromazine is the only approved medication for persistent hiccups lasting more than 48 hours.

Bearing down as if having a bowel movement while holding breath to increase vagal tone.

Prescription baclofen (muscle relaxant) used off-label for persistent hiccups with fewer side effects than chlorpromazine.

Holding the breath to interrupt the hiccup reflex by increasing CO2 levels and vagal tone.

Pressing fingers gently into the ears while swallowing to stimulate the vagus nerve.

Acupuncture for persistent or recurrent hiccups particularly post-operative hiccups.

Drinking cold water quickly as a traditional hiccup remedy.

Breathing into a paper bag to increase CO2 levels and interrupt the hiccup reflex.

A drop of peppermint oil on the tongue as a traditional remedy for hiccups.