Use semicolons instead of commas when the items are a series are particularly long; individual items in the series are set off by a commas and/or a conjunction; or when the items in your series are a series themselves.
But when faced with this situation, It’s better to consider restructuring the content. Lists are likely a better option. They’re prettier and easier to follow.
Use semicolons instead of commas or restructure your content when items in the series:
- Are a series unto themselves
- Are particularly long
- Are themselves set off by commas
- Contain a conjunction