Is it bad to have a cold sore while pregnant?

Although cold sores commonly occur during pregnancy, they are generally not thought to affect the unborn baby. Nonetheless, cold sores are uncomfortable and infectious so it is advisable to treat. Cold sores are often treated with aciclovir cream which is a specific antiviral medication.

What happens if you get a cold sore while pregnant?

Cold sores should not affect your unborn baby. But they are infectious, so it’s a good idea to treat them. Genital herpes should not affect the baby if you have your first outbreak or it comes back in the first 34 weeks. But it can be transferred to your baby during the birth, especially if it’s your first outbreak.

Can cold sores cause birth defects?

In rare cases, if you get an initial herpes infection during your first trimester, the virus could pass through the placenta and cause a miscarriage or serious birth defects. Herpes can also be transmitted to your baby after birth, and the complications can be severe.

Can pregnancy hormones cause cold sores?

So it’s not surprising that cold sores sometimes join the PMS party. The first step starts with understanding why you’re prone to cold sores during this time. In a word: hormones. The hormones present in your body during certain times in the menstrual cycle, as well as during pregnancy, can trigger an outbreak.

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Can a cold sore cause a miscarriage?

Genital herpes won’t put you at higher risk of a miscarriage but it can be passed onto babies during pregnancy. It can cause a serious illness called neonatal herpes.

Can I kiss my baby if I have a cold sore?

You should not kiss a baby if you have a cold sore to reduce the risk of spreading infection. Cold sores and other blisters caused by the herpes virus are at their most contagious when they burst. They remain contagious until completely healed.

What to do if you have a cold sore and a newborn?

If you develop a cold sore, or think you’re coming down with a herpes infection:

  1. don’t kiss any babies.
  2. wash your hands with warm water and soap before contact with a baby.
  3. wash your hands before breastfeeding. Cover up any cold sores to avoid touching your mouth and then breast. This is enough to transfer the virus.

What can trigger cold sores?

Cold sores are caused by the herpes simplex virus. Once this virus is in you, it can cause outbreaks of cold sores. Cold sore outbreaks are often triggered by exposure to hot sun, cold wind, a cold or other illness, a weak immune system, changing hormone levels, or even stress.