"Thomas has a fever, so he is going to the doctor's office."

Translation: Thomas a de la fièvre alors il va chez le docteur.

[HarishAbbe3]

Thomas a de la fièvre donc il va chez le médicin.....

[joshdanet]

Why is there a 'de' before fever

[WendyMcInt3]

I seem to remember an earlier sentence where "... had a fever.." it was "a de fièvre" why is it de la fièvre this time please?

[alportier]

You can say "Il a de la fièvre" or "il a 38°C de fièvre" but "il a de fièvre" isn't correct.
You can say "he has a fever" or "he has a temperature of 38°C" but you can not say "He as a temperature of"