After a panel of medical experts gave a very cautious nod to the continued use of the painkillers Celebrex, Vioxx and Bextra on Friday, pain management experts said they expected to see the same caution transform the way the painkillers are prescribed from now on. The drugs, which had been hugely popular for people with both short-term and chronic pain, will be prescribed much less readily, for a smaller group of patients, at lower doses and for shorter periods, the experts said. "I am still very concerned about the cardiac risks of these medications," said Dr. David Campen, director of...