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Diseases & Conditions Archive

Diseases & Conditions

Strep throat: Symptoms, causes, and treatment

Updated February 17, 2026

Diseases & Conditions

Can nasal irrigation help with winter colds and congestion?

Published February 1, 2026

Daily nasal irrigation (nasal rinses) may reduce symptom severity and the duration of a cold. It can also relieve the congestion caused by sinus infections and allergies. By means of a squeeze bottle, neti pot, or battery-powered system, saline is inserted into one nostril and flows out the other.

Diseases & Conditions

The health benefits of elderberry

Published February 1, 2026

Elderberry syrup or tea may help reduce the duration and severity of cold and flu symptoms, but the evidence for these benefits is uncertain. Claims that elderberry products can prevent viral infections or boost immunity are unproven.

Diseases & Conditions

How to get rid of a sinus headache

Published February 1, 2026

A sinus headache usually stems from irritated, congested sinuses that create pressure and pain around the eyes, nose, or forehead. Relief often comes from easing inflammation and congestion with a mix of home measures and over-the-counter treatments.