Drugs and vaccines in pregnancy Flashcards
what is a teratogen ?
is an agent that acts during fetal development to produce permanent alterations of form or function
at what time during pregnancy is it most common for fetal abnormalities to happen ?
1st trimester
what type of drugs are completely contraindicated in pregnancy ?
category X medications anticancer chemotherapy ( methotrexate) immunosuppressants (mycophenolate) radioactive chemicals ( iodine 131) isoretinon if really needed termination of pregnancy is indicated
what system is currently used to categorize drugs inn pregnancy ?
PLLR
Pregnancy and lactation labelling rule
what drugs are contraindicated during lactation ?
metronidazole
tetracycline
amiodarone
erotamine
what type of vaccines are contraindicated in pregnancy ?
live attenuated vaccines
what are examples of live attenuated vaccines ?
MMR
BCG
Varicella
for each pregnancy which vaccine is recommended and when ?
influenza shot is recommended at any time during the pregnancy
whooping cough TDaP vaccine is recommended in the 3rd trimester
which group of anti-hypertensive drug should be avoided in pregnancy ?
ACE inhibitors
are there any contraindicated vaccines during breastfeeding ?
no contraindications
what is analgesia ?
loss of pain without loss of motor function or consciousness
what are the causes of pain during the first stage of labour ?
stretch of the cervix during dilation
distention and ischaemia of uterine muscle with buildup of lactate
what are the causes of pain during the second stage of labour ?
stretch of the vagina and perineum
what is pain perception influenced by ?
expectations
age
preparation
emotional support
what narcotic/opioid is given before labour ?
Meperidine hydrochloride (pethidine)