D.W. Dear D.W.: It isn’t always easy to tell whether a rash from an antibiotic, particularly a penicillin-type antibiotic, is a serious allergic reaction. A rash is a common occurrence when ...

Many U.S. grocery stores now offer at least some meat or poultry that is raised without antibiotics, sometimes even at below-average prices for all meats of that type, but shoppers must become ...

By 1940, the Oxford research group, which also included biochemist Norman Heatley, had determined how to grow the mold and purify the penicillin, and shown that it could save mice from three different ...

D.W. ANSWER: It isn’t always easy to tell whether a rash from an antibiotic, particularly a penicillin-type antibiotic, is a serious allergic reaction. A rash is a common occurrence when an ...