HSV 101: The Basics About Cold Sores and Herpes

What Is HSV?

HSV (herpes simplex virus) is a lifelong viral infection that remains in the body after the initial exposure. The virus can become inactive (latent) inside nerve cells and reactivate later, leading to recurrent cold sores or genital herpes outbreaks.²

Typical symptoms include:

• Tingling, itching, or burning before an outbreak
• Small fluid-filled blisters
• Painful sores that may crust over before healing

Many people experience mild symptoms or none at all.²

What Is the Difference Between HSV-1 and HSV-2?

There are two main types of herpes simplex virus:

HSV-1

• Most commonly causes oral herpes (cold sores)
• Can also cause genital herpes through oral-genital contact²

HSV-2

• Primarily causes genital herpes
• Is most commonly transmitted through sexual contact²

While the two viruses have preferred locations, either type can infect the mouth or genital area.

How Does HSV Spread?

HSV spreads through direct skin-to-skin contact with an infected area. Unlike many sexually transmitted infections, HSV does not require the exchange of bodily fluids for transmission.²

The virus is most contagious when blisters or sores are present, but it can also spread through asymptomatic viral shedding, meaning transmission can occur even when no symptoms are visible.² This is one reason HSV is so widespread, and why many people acquire HSV-1 during childhood through non-sexual contact.

Does HSV Ever Go Away?

No. Currently, HSV remains in the body for life.

After the initial infection, the virus travels to nearby nerve cells where it becomes dormant. This period is called latency. HSV may reactivate periodically, especially during times of stress, resulting in recurrent outbreaks.²

Outbreak frequency varies greatly between individuals. Some people experience several outbreaks each year, while others may go many years without symptoms.

Is There a Cure for HSV?

At this time, there is no cure for HSV. However, prescription antiviral medications such as acyclovir, valacyclovir, and famciclovir can:

• Shorten outbreaks
• Reduce symptom severity
• Lower the frequency of recurrences
• Reduce the risk of transmission to partners²,³

Researchers continue to study vaccines and new antiviral therapies, but none are currently approved to eliminate HSV infection.³

How Can You Reduce Cold Sore and Herpes Outbreaks?

While outbreaks cannot always be prevented, several evidence-based strategies may help reduce their frequency.

Practice Safer Sex

If you do not have HSV or want to reduce transmission:

• Avoid direct contact with active cold sores or genital lesions.
• Use condoms or dental dams during sexual activity. While they reduce risk, they do not provide complete protection because HSV can spread from uncovered skin.²
• Avoid kissing or oral sex during active outbreaks.

Support Your Immune System

A healthy immune system helps keep HSV in its dormant state.

Focus on habits that support overall health, including:

• Eating a balanced diet rich in fruits, vegetables, legumes, whole grains, and lean protein
• Limiting highly processed foods and excess added sugars
• Getting regular physical activity
• Prioritizing quality sleep⁴

Although no specific diet has been proven to prevent HSV outbreaks, maintaining overall immune health may help support your body’s natural defenses.

Manage Stress

Manage Stress

Psychological stress is one of the most commonly reported outbreak triggers. Chronic stress can influence immune function, making it easier for latent HSV to reactivate.⁴

Helpful stress-management strategies include:

• Mindfulness or meditation
• Deep breathing exercises
• Regular exercise
• Spending time outdoors
• Therapy or counselling
• Creative hobbies and social connection

Small, consistent stress-management practices can make a meaningful difference for both your overall wellbeing and immune health. This connection between stress and immune function is also why our product, Simplix includes adaptogenic herbs in its formulation, ingredients traditionally used to help support the body’s response to everyday stress.

The Bottom Line

HSV is one of the most common viral infections worldwide, and for most people, it is a manageable condition. While there is currently no cure, antiviral medications, safer sex practices, immune-supportive lifestyle habits, and stress management can all help reduce outbreaks and lower the risk of transmission.

Most importantly, having HSV does not define your health or your worth. Accurate information, supportive healthcare, and open conversations can help reduce both symptoms and the stigma surrounding this common virus.

References (AMA)

1. World Health Organization. Herpes simplex virus. Updated January 2024. Accessed August 4, 2026. https://www.who.int/news-room/fact-sheets/detail/herpes-simplex-virus
2. Johnston C, Corey L. Current concepts for genital herpes simplex virus infection: diagnostics and pathogenesis of genital tract shedding. Clin Microbiol Rev. 2016;29(1):149-161.
3. Centers for Disease Control and Prevention. Genital Herpes – CDC STI Treatment Guidelines. Updated 2021. Accessed August 4, 2026. https://www.cdc.gov/std/treatment-guidelines/herpes.htm
4. Cohen S, Janicki-Deverts D, Miller GE. Psychological stress and disease. JAMA. 2007;298(14):1685-1687.