The Basics
What is Malathion?
Commonly used to control mosquitoes and a variety of insects that attack fruits, vegetables, landscaping plants, and shrubs.
Brand names for Malathion
Ovide
How Malathion is classified
Anti-Infective Agents, Antiparasitic Agents, Insecticides
Malathion During Pregnancy
Malathion pregnancy category
Category BNote that the FDA has deprecated the use of pregnancy categories, so for some medications, this information isn’t available. We still think it’s useful to list historical info, however, given what a common proxy this has been in the past.
What we know about taking Malathion while pregnant
N/A
Taking Malathion While Breastfeeding
What are recommendations for lactation if you're taking Malathion?
Malathion appears to be poorly absorbed after topical application, so it is not likely to reach the breastmilk in large amounts. However, breastmilk excretion of malathion has not been studied after application of the 0.5% lotion. Until more data become available, an alternate agent is preferred.[1]
Maternal / infant drug levels
Malathion appears to be poorly absorbed after topical application, so it is not likely to reach the breastmilk in large amounts. However, breastmilk excretion of malathion has not been studied after application of the 0.5% lotion. Until more data become available, an alternate agent is preferred.[1]
Possible effects of Malathion on milk supply
Relevant published information was not found as of the revision date.
Possible alternatives to Malathion
Permethrin, Pyrethrins.
List of References
Lactation sources: Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK501922/1. Butler DC, Heller MM, Murase JE. Safety of dermatologic medications in pregnancy and lactation: Part II Lactation. J Am Acad Dermatol. 2014;70:417.e1-417.e10. PMID: 24528912
2. Taro Pharmaceuticals USA, Inc. Ovide package insert. December, 2011.
3. Lonnerdal B, Asquith MT. Malathion not detected in breast milk of women living in aerial spraying areas. N Engl J Med. 1982;307:439. Letter. PMID: 70881
4. Sanghi R, Pillai MK, Jayalekshmi TR, Nair A. Organochlorine and organophosphorus pesticide residues in breast milk from Bhopal, Madhya Pradesh, India. Hum Exp Toxicol. 2003;22:73-6. PMID: 12693830
Disclaimer: This material is provided for educational purposes only and is not intended for medical advice, diagnosis, or treatment. Consult your healthcare provider with any questions.
