But three weeks after she began taking the anti-rejection drugs, the infection recurred.

If such infections recur three or more times a year, a tonsillectomy may be needed.

This stems from the fact that candidal infection does often recur, and one of the reasons for these recurrences is inadequate treatment.

But infection may recur as soon as the woman stops taking antibiotics.

These infections respond to antibiotics but recur upon discontinuation of the medications.

But the antibiotics are expensive, especially in developing countries where infections often recur, raising the need for different and better treatments.

But the authors of the report also warned that the infection could recur and urged consumers to take special precautions.

If they are not taken for the prescribed period, microorganisms resistant to the antibiotic may continue growing, and the infection could recur.

Mr. Drysdale had five sinus operations, but even with antibiotics, the infections recurred.