Fetal minoxidil syndrome

Title

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Other Names:

Minoxidil antenatal exposure; Minoxidil antenatal infection

Categories:

Ear, Nose, and Throat Diseases; Mouth Diseases

Summary Summary

Fetal minoxidil syndrome is a group of symptoms that may be found in a newborn when a mother has taken minoxidil (Loniten) during pregnancy.^[1] Minoxidil is a medication that can be used to treat hypertension (increased blood pressure) and alopecia (hair loss).^[2]^[3] A few cases of maternal use of minoxidil have been published in the medical literature with findings of neonatal (newborn) hypertrichosis (excessive hair growth) that gradually resolves during the first six months of life.^[1] Other symptoms have been reported, such as congenital heart defects; neurodevelopmental anomalies; and gastrointestinal, kidney, and limb malformations. More studies are needed to determine the potential risks to the fetus during pregnancy.^[4]

The U.S. Food and Drug Administration (FDA) provides safety information on minoxidil.

Last updated: 10/27/2016

Symptoms Symptoms

This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.

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Medical Terms	Other Names	Learn More: HPO ID
80%-99% of people have these symptoms
Clinodactyly of the 5th finger	Permanent curving of the pinkie finger	0004209
Cryptorchidism	Undescended testes Undescended testis [ more ]	0000028
Depressed nasal bridge	Depressed bridge of nose Flat bridge of nose Flat nasal bridge Flat, nasal bridge Flattened nasal bridge Low nasal bridge Low nasal root [ more ]	0005280
Generalized hirsutism	Excessive hairiness over body	0002230
Low-set, posteriorly rotated ears		0000368
Micrognathia	Little lower jaw Small jaw Small lower jaw [ more ]	0000347
Umbilical hernia		0001537
Ventricular septal defect	Hole in heart wall separating two lower heart chambers	0001629

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Last updated: 1/1/2021

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Learn More Learn More

These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.

In-Depth Information

The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
Orphanet is a European reference portal for information on rare diseases and orphan drugs. Access to this database is free of charge.

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References References

Fetal minoxidil syndrome. Orphanet. June 2016; http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Lng=GB&Expert=1918. Accessed 10/24/2016.
Minoxidil Topical. MedlinePlus. 09/01/2010; https://medlineplus.gov/druginfo/meds/a689003.html. Accessed 10/24/2016.
Minoxidil Oral. MedlinePlus. 2/15/2015; https://medlineplus.gov/druginfo/meds/a682608.html. Accessed 10/24/2016.
Carlo Smorlesi, Adele Caldarella, Laura Caramelli, Simonetta Di Lollo, Flavio Moroni. Topically applied minoxidil may cause fetal malformation: A case report. Clinical and Molecular Teratology. December 2003; 67(12):997-1001. https://www.ncbi.nlm.nih.gov/pubmed/?term=14745922.