Eplontersen pronounce?

How do you pronounce eplontersen?

The pronunciation of eplontersen is commonly given as: ep-LON-ter-sen.

Is the spelling always the same, or are there variants?

The drug name is spelled eplontersen (no common alternate spellings), so the pronunciation typically follows the same syllable pattern: ep-LON-ter-sen.

How do you break it into syllables?

A practical way to say it is: ep + lon + ter + sen → ep-LON-ter-sen.