Bacterial infections Archive

An elevated lymphocyte count usually indicates a simple viral illness. Less often, it could indicate a blood cancer. How the number is calculated shapes what it may mean.

Warm, damp shoes can harbor fungus well after a skin infection clears. Fresh socks, antifungal powder, rotation, and retiring old shoes are all important.

Your immune system constantly defends you from harmful germs like bacteria and viruses, but your body also hosts trillions of helpful microbes-your microbiome-that live on your skin, in your gut, and elsewhere. These "good" germs help digest food, make vitamins, protect you from harmful invaders, and help regulate inflammation.

The Epstein-Barr virus that causes mononucleosis (mono) usually infects people during their childhood or the teenage years. The virus stays with people for life.

Sinusitis occurs when blocked sinuses cannot drain and the backed-up mucus gets infected. The simplest and often most effective treatment is daily nasal irrigation. It can also help to drink a lot of water, inhale steam, and sleep with the head elevated.

Encephalitis, or brain inflammation, can cause symptoms ranging from mild, flu‑like illness to life‑threatening confusion and coma. Causes, recovery, and urgent treatments vary by virus.

Monthly vitamin B₁₂ shots for pernicious anemia can be a hassle. Explore whether high‑dose vitamin B₁₂ pills or other non‑injection treatments might be an option.

Mouth yeast infections sometimes extend beyond the tongue. But could thrush be responsible for throat irritation, swallowing trouble, and a stubborn cough?

Breastfeeding moms often worry about vaccines and their babies' safety. Explore how flu shots and nasal spray immunizations fit into postpartum protection.

A cough that lingers for weeks after a cold can be confusing. Learn why it can persist, what else might be going on, and when to see your doctor.