Can You Take Lysine While Pregnant?

Lysine may reduce how much calcium you absorb. It may decrease urine loss. People who are pregnant or breastfeeding shouldn't use lysine supplements.

Is it ok to take lysine when pregnant?

Lysine tablets are often used to prevent or treat cold sores. There is little scientific data to support the use of lysine for this purpose. Nonetheless, it is thought to be safe in pregnancy and breastfeeding.

What can you take for cold sores while pregnant?

Cold sores are often treated with aciclovir cream which is a specific antiviral medication. This is applied to the affected area. It is considered safe at all stages of pregnancy. If the cold sores are severe, aciclovir or valaciclovir tablets may be prescribed by your GP.