Too much penicillin (benzathile -penicilin) During Pregnancy? Worried!


Dear Midwife,
Hi ! Thank you for giving me the opportunity to ask you about a problem that really really bothers me.

I am pregnant in 24/25 weeks and a manage to stay pregnant (as first pregnancy as well, my boy is 4 years old) taking tocolitics like no- spa and progesterone ,until 20 week of pregnancy.

My real problem is that some how (I don't know how) I was positive for VDRL test 2 years ago and a followed some treatment but I don't know if it was effective because on my 16 week of pregnancy I had a positive VDRL , unknown tires. I followed treatment with benzanthile penicillin 2x 1,2 mil units , repeated after a week. Now my doctor told me that I have much amniotic fluid . My VDRL tests are uncertain and I decided to start again a session of treatment with benzanthile penicillin 2x 1,2 mil units , repeated 2 weeks . Now I've got the fist shot 2x1.2mil .

I am very scared not to harm may baby , isn't so much penicillin toxic ? I've read some article that said that this type of penicillin causes hart defects on fetus ? Please help me


Benzathine penicillin is Pregnancy Category B, so no worries there, as far as I know. But if you have ever had a positive VDRL, it is not uncommon that you will always have one from then on, especially during pregnancy. We usually treat only based on the titre in these cases, so it is important to get the titre.

If you are in the U.S., the health department will advise your provider on when to treat. You may also be checked for other conditions that might be affecting the lab results, but again, that will depend on the titres.

-- Cynthia, CNM

Cynthia Flynn

Cynthia Flynn, CNM. PhD, is the General Director of the Family Health and Birth Center which provides prenatal, birth, postnatal, gynecological and primary health care to underserved women and their families in Washington, D.C. Recently Cynthia served as Associate Professor of Nursing at Seattle University. There she not only taught, but remained in full scope clinical midwifery practice at Valley Medical Center where she cared for pregnant and birthing women, and practices well-woman gynecology, family planning, and treatment of sexually transmitted diseases.

Cynthia founded Columbia Women's Clinic and Birth Center, where she took care of pregnant women and infants up to two weeks of age and attended both birth center and hospital births. Before Cynthia earned her CNM, she worked as a registered nurse in labor and delivery and postpartum and is a certified Doula and Doula trainer.