Phenylephrine Pregnancy

Was this medicine useful for you?

Pregnancy of Phenylephrine in details

Pregnancy is always a special situation where every action or side effect of the drug varies when compared to a situation of a non-pregnant patient. It is not only because the pregnant woman's metabolism differs due to the hormonal and other changes happened to her, but also because every medicine or its metabolite passes to the baby and shows its action there. The only thing is, be cautious, attentive and well supervised when you take any single drug in pregnancy. The interactions can vary in pregnancy, and the dosage may differ as well. Strict supervision of the Physician is mandatory.

Phenylephrine crosses the placenta at term.

Maternal use of Phenylephrine during the first trimester of pregnancy is not strongly associated with an increased risk of fetal malformations; maternal dose and duration of therapy were not reported in available publications. Phenylephrine is available over-the-counter for the symptomatic relief of nasal congestion. Decongestants are not the preferred agents for the treatment of rhinitis during pregnancy.

Oral Phenylephrine should be avoided during the first trimester of pregnancy; short-term use (<3 days) of intranasal Phenylephrine may be beneficial to some patients although its safety during pregnancy has not been studied. Phenylephrine injection is used at delivery for the prevention and/or treatment of maternal hypotension associated with spinal anesthesia in women undergoing cesarean section. Phenylephrine may be associated with a more favorable fetal acid base status than ephedrine; however, overall fetal outcomes appear to be similar. Nausea or vomiting may be less with Phenylephrine than ephedrine but is also dependent upon blood pressure control. Phenylephrine may be preferred in the absence of maternal bradycardia.

Phenylephrine breastfeeding

When a drug is taken when the patient is breast feeding, a part of the drug is secreted in her breast milk and is passed to the baby. The dosage of the medicine to mother and baby are different, and many drugs actions are side effects when you take them without a disease, and what if you the baby takes them without a disease? What if the drug is contraindicated in newborns, infants or children? So, breastfeeding is a very alarming situation when the mother is on medications. Ask your Physician or Pediatrician about the effect of the drug on the baby and how much is excreted in breast milk and if it harms the baby!

Small amounts of Phenylephrine are secreted in breast milk. The manufacturer recommends that due to the potential for serious adverse reactions in nursing infants, a decision should be made to discontinue nursing or discontinue the drug, taking into account the importance of the drug to the mother.

See references

References for pregnancy information

  1. "Product Information. Lusonal (Phenylephrine)." Wraser Pharmaceuticals, Ridgeland, MS.

References for breastfeeding information

  1. "Product Information. Lusonal (Phenylephrine)." Wraser Pharmaceuticals, Ridgeland, MS.


  1. PubMed Health. "Neo-Synephrine: This section provide the link out information of drugs collectetd in PubMed Health. ". (accessed September 17, 2018).
  2. Human Metabolome Database (HMDB). "Phenylephrine: The Human Metabolome Database (HMDB) is a freely available electronic database containing detailed information about small molecule metabolites found in the human body.". (accessed September 17, 2018).
  3. FDA Pharm Classes. "FDA Pharmacological Classification: FDA published a final rule that amended the requirements for the content and format of approved labeling (prescribing information) for human prescription drug and biological products in January 2006.". (accessed September 17, 2018).


Consumer reviews

There are no reviews yet. Be the first to write one!

Your name: 
Spam protection:  < Type 5 here

Information checked by Dr. Sachin Kumar, MD Pharmacology

| Privacy Policy
This site does not supply any medicines. It contains prices for information purposes only.
© 2003 - 2022 All Rights Reserved