The CDC and state health departments estimate that roughly 14,000 patients may have gotten steroid injections from the three lots, and nearly 97 percent of them have been contacted for medical follow-up.
All of the fungal meningitis patients identified so far were thought to be injected with methylprednisolone acetate from the Massachusetts pharmacy, according to the CDC.
Seven of the 338 cases involve what the CDC calls "peripheral joint infection," meaning an infection in a knee, hip, shoulder or elbow. These joint infections aren't considered as dangerous as injections near the spine for back pain that have been linked to the potentially fatal meningitis infections.
The FDA said it was advising all health care professionals to follow up with any patients who were given any injectable drug from or produced by the New England Compounding Center. These drugs include medications used in eye surgery, and a heart solution purchased from or produced by the company after May 21.
The CDC on Friday had the following state-by-state breakdown of cases: Florida: 19 cases, including 3 deaths; Georgia, 1 case; Idaho, 1 case; Illinois, 1 case; Indiana: 43 cases, including 3 deaths; Maryland: 19 cases, including 1 death; Michigan: 82 cases, including 5 deaths; Minnesota: 9 cases; New Hampshire: 11 cases; New Jersey: 18 cases; New York: 1 case; North Carolina: 2 cases, including 1 death; Ohio: 11 cases; Pennsylvania: 1 case; South Carolina: 1 case; Tennessee: 74 cases, including 10 deaths; Texas: 1 case; Virginia: 43 cases, including 2 deaths.
Health officials said they expect to see more cases of the rare type of meningitis, which is not contagious, because symptoms can take a month or more to appear.
Infected patients have developed a range of symptoms approximately one to four weeks following their injection. People who have had a steroid injection since July, and have any of the following symptoms, should talk to their doctor as soon as possible: worsening headache, fever, sensitivity to light, stiff neck, new weakness or numbness in any part of your body or slurred speech, the CDC said.
Infected patients must be treated with intravenous drugs in a hospital.
The U.S. National Library of Medicine has more about injections for back pain.
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