Meanwhile, the incidences of chlamydia rose 27 percent among all ages, and double that among those age 55 to 64.
As a result of the national trend among seniors, Medicare is considering providing coverage for STD screenings for seniors.
"If I think a patient may be sexually active, I suggest he or she gets screened," Salagubang said.
Five years ago, the 64-year-old widow, mother and grandmother from Baltimore, tested positive for HIV. More prone to STDs Just because seniors are older and wiser doesn't mean they're not susceptible to the same diseases as everyone else, Salagubang said. As people age, their immune systems tend to weaken, and other health problems make them more prone to infection.
She picked it up from a man she dated whom she'd known since her childhood. Medications for heart disease, hypertension and diabetes also cause seniors to be more likely to pick up what's going around.
The reported cases of syphilis and chlamydia among older adults outpaced the nation's average, according to the analysis.
Among all age groups nationwide, reported cases of syphilis increased 60 percent between 20, while in the 55 to 64 age group it increased 70 percent.
"The discussion certainly happens here," Williams said.