Are Castor Oil Packs Safe for Pregnancy?

Hello,

I am 6 months pregnant and suddenly developing symptoms of Toxemia in Pregnancy... from reading the article on Toxemia here, I can see Castor Oil packs are recommended as one of the cures... I know that Castor Oil is bad if taken orally while pregnant but does anyone know if it is safe to use castor oil pack during pregnancy?

Thank you ahead of time for your responses...

Most Sincerely,
Erin