What is a natural antiviral for norovirus?

Norovirus, often referred to as the stomach flu, is a highly contagious virus that causes gastroenteritis, an inflammation of the stomach and intestines. While there is no specific antiviral medication to treat norovirus, there are several natural remedies that can help boost your immune system and potentially help your body fight off the virus.

One such remedy is oregano, a popular herb in the mint family known for its impressive medicinal qualities. Its plant compounds, which include carvacrol, offer antiviral properties. In a test-tube study, both oregano oil and isolated carvacrol reduced the activity of murine norovirus (MNV) within 15 minutes of exposure. MNV is highly contagious and the primary cause of stomach flu in humans. It is very similar to human norovirus and used in scientific studies because human norovirus is notoriously difficult to grow in laboratory settings.

Another herb with potential antiviral properties is sage. The antiviral properties of sage are mostly attributed to compounds called safficinolide and sage one, which are found in the leaves and stem of the plant. Test-tube research indicates that this herb may fight human immunodeficiency virus type 1 (HIV-1), which can lead to AIDS.

Basil, including the sweet and holy varieties, may also fight certain viral infections. For example, one test-tube study found that sweet basil extracts, including compounds like apigenin and ursolic acid, exhibited potent effects against herpes viruses, hepatitis B, and enterovirus. Holy basil, also known as tulsi, has been shown to increase immunity, which may help fight viral infections.

Fennel is another licorice-flavored plant that may fight certain viruses. A test-tube study showed that fennel extract exhibited strong antiviral effects against herpes viruses and parainfluenza type-3 (PI-3), which causes respiratory infections in cattle.

In addition to these herbs, certain phytochemicals (plant extracts) like curcumin and nutritional supplements (Vitamin A, flavonoids) also exhibit anti-norovirus effects but are not considered therapeutic norovirus antivirals because the active antiviral compound in these substances has not yet been identified.

It’s important to note that while these natural remedies may help boost your immune system and potentially help your body fight off the virus, they are not a substitute for medical treatment. If you have norovirus, it’s important to stay hydrated, rest, and avoid contact with others to prevent the spread of the virus. Always consult with a healthcare provider for advice tailored to your specific circumstances.