"extra worry" is a correct and usable phrase in written English.
It is often used to describe an additional or unnecessary source of concern or anxiety in a situation. Example: The unexpected delay in our flight caused us extra worry, as we were already on a tight schedule for our vacation.
The level of debt is an extra worry.
But opponents of mobile towers sometimes point to an extra worry: radiation.
And now Ms. Roi has the extra worry that stores will cancel her orders if she doesn't meet delivery deadlines.
Tonight, however, I'd be staying up to watch Spain and Uruguay anyway, so I can relax and follow the golf without any extra worry.
After writing that book I had some extra worry to discharge, I think, a story about the hellish love a parent can feel, the impossibility of it, like a desire that keeps backfiring into your body.
She explained how she had been ill twice, saying: "Those episodes, I believe, are in no small part due to the stress and extra worry and work that my treatment by the council is causing me".
Yet some people are extra worried about having this already very powerful organization waving weapons around.
Instead of extra presents, older children get extra worries -- especially if they didn't see the divorce coming.
There are low overhead expenses, with no extra worries about paying rent or utilities.
In May 2007, millions of people with diabetes got something extra to worry about — the possibility that a drug they were taking to control blood sugar might be harming their hearts.
The authors reckon the surge in offshoring since the mid-1990s has created 100,000 extra jobs.Another worry about offshoring, and globalisation more generally, is that it bears down on wages in developed economies.
