Multaq other names?

What are the other names (generic and brand) for Multaq?

Multaq is the brand name for dronedarone. So “other names” commonly means the generic name: dronedarone.

What spelling or related wording might show up in listings?

You may see Multaq listed using one of these common forms:
- Multaq (dronedarone)
- dronedarone hydrochloride (this can appear in some product descriptions)

Are there any other brand names besides Multaq?

Based on the information provided here, the key alternate name used in practice is the generic name (dronedarone). If you share the country (or a link/screenshot from the listing you saw), I can help check whether a different local brand name applies.