Babies and those with weakened immune systems may catch a widespread herpes infection if exposed to a cold sore, which can affect vital organs, including the spinal cord and brain. Eczema sufferers are at risk of developing a dangerous condition called eczema herpeticum if they come into contact with cold sores. This means the infection spreads throughout their body, leading to long-term scarring, blindness and sometimes organ failure or death.
Once you are infected, the HSV-1 virus never leaves your body. It lies dormant in the nerve cells in your skin until a trigger — such as a cold or flu, excessive sunshine, cold weather or stress — causes the virus to replicate uncontrollably, causing the telltale symptom of a cold sore or fever blister on your lips.
You can try to protect yourself against outbreaks by always drinking lots of water, getting plenty of rest, having your annual flu vaccination and managing cold sore triggers such as stress, fatigue, cold or excessive sunlight. There is no cure for the herpes simplex virus nor is there a vaccine, but there is effective fever blister treatment. It contains the only FDA-approved non-prescription ingredient proven to reduce your cold sore healing time.
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Sources: Cold Sores Fever Blisters. Herpes simplex virus. If you are deficient in vitamin B, folic acid, iron or zinc then you may be more at risk. View all posts by Dr. David S Brown. Skip to content. Read Our Blog. Flare-ups can occur at any time…. There are five different stages of a cold sore. The first stage starts about 24 hours before the blister appears.
The blister appears in stage 2…. Cold sores are red, fluid-filled blisters that usually form near your mouth or other areas of your face. There's no cure for cold sores and they may…. Without treatment, fever blisters can last up to four weeks.
After treatment, you…. Health Conditions Discover Plan Connect. Written by Jill Seladi-Schulman, Ph. How to identify cold sores vs. What causes canker sores and cold sores? When to seek help. How are canker sores and cold sores diagnosed? How to treat canker sores and cold sores.
How long does it take to recover? The takeaway. Cold Sores. Read this next. The 7 Best Cold Sore Remedies.
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