Immune and infectious diseases Archive

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

An anti-inflammatory diet may help rein in chronic inflammation. The eating plan is rich in vegetables, fruit, healthy oils, nuts and seeds, and other foods with anti-inflammatory benefits. What’s not included: refined carbohydrates, red and processed meats, deep-fried foods, and other inflammation-promoting foods.

Scientists are learning that chronic inflammation can raise people’s risk for cardiovascular disease much like established risk factors. The American College of Cardiology advocates measuring an inflammation marker called C-reactive protein in healthy people to reveal hidden heart disease risk.

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

Diagnosing hypothyroidism can be tricky because typical symptoms (such as fatigue and trouble losing weight) have many other possible causes. Some people treated for hypothyroidism may be able to safely stop treatment with close medical monitoring.

A MRSA infection may be treatable, yet the bacteria can sometimes remain on the body and return. Find out what recovery and prevention involve.

Peeling skin on your fingers can signal eczema, infection, or other issues. Explore common triggers, treatments, and when to call the doctor.

Pregnancy can change the balance of risks and benefits around flu vaccination. Key safety considerations may help guide a discussion with your obstetrician.

Explore what doctors know about Bell’s palsy triggers, from stress to viral infections and diabetes, and why pinpointing a cause is tricky

In most cases, bee, wasp, or hornet stings can be treated with simple remedies. For example, placing a cold pack on the sting site helps reduce swelling. Applying over-the-counter hydrocortisone cream helps relieve swelling and itching, too. Taking an antihistamine—such as fexofenadine (Allegra) or loratadine (Claritin)—also eases itching. If symptoms persist for a few days, it’s time to call a doctor. If a severe allergic response develops—indicated by difficulty breathing or hives—it’s crucial to call 911 for help and get an injection of epinephrine as soon as possible.