Sexually transmitted infections (STIs) Archive

The FDA approved Moderna's mFLUSIVA, the first mRNA flu vaccine, for adults ages 50 and older. Trials showed it outperformed traditional flu shots in preventing infection, though with a higher rate of side effects. It’s expected to be available in time for flu season.

A lower-than-usual white blood cell count is often temporary, especially after illness. Find out what your number may mean and when retesting might be needed.

The FDA is considering labeling changes for testosterone replacement therapy (TRT) products. While the proposed changes would make TRT much more accessible, the FDA is still advising that use of TRT should be avoided in men with metastatic prostate cancer.

Several factors increase the risk for complications from COVID-19 or influenza and should prompt someone to request an antiviral medication as soon as possible, even if they have been vaccinated or have had the infections before. The risk factors are age (being 65 or older), an impaired immune system, and underlying conditions (especially heart or lung disease). Pregnant women also are at increased risk for severe influenza and COVID, and should consider taking an antiviral.

A positive TB skin test can raise questions about infection, exposure, and what happens next. Find out which follow-up steps may be needed.

A new prostate cancer diagnosis can trigger fears about future cancers. Explore how age, genes, treatment, and lifestyle may affect your risk.

Doctors increasingly view erectile dysfunction as a potential early warning sign rather than just a sexual health issue. Research shows persistent erectile dysfunction is often tied to cardiovascular disease, and the two conditions share an array of risk factors.

Many women aren’t aware menopause can fuel oral health symptoms such as tooth decay, gum disease, and bone loss in the jaw. Reduced estrogen diminishes saliva production, which protects teeth and gums by neutralizing acids and bacteria. A variety of tools and techniques can help menopausal women preserve oral health.

Women on birth control who develop shingles may worry Valtrex could reduce protection. Find out if this antiviral impacts contraceptives.

When medications and lifestyle changes no longer control symptoms of an enlarged prostate, a range of surgical and minimally invasive procedures can restore urine flow. Each option offers different trade-offs in side effects, recovery, and duration of relief.