Robson withdraws from Britain's tie with Hungary

The 20-year-old has struggled to shake off the persistent problem and will now be replaced by Jocelyn Rae, who is two years her senior.

Rae joins Heather Watson, Johanna Konta and Tara Moore in the GB team, which faces Hungary, Latvia and Romania in the group stages.

GB captain Judy Murray said: "While we are obviously going to miss Laura on and off the court in Budapest, it's a great opportunity for me to bring Joss into the team as a doubles specialist.

"She has shown her potential winning gold at the Delhi Commonwealth Games in 2010 and is back to full fitness."

The Fed Cup takes place from 4-9 February.