Clindamycin use while Breastfeeding

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Clindamycin Levels and Effects while Breastfeeding

Summary of Use during Lactation

Clindamycin has the potential to cause adverse effects on the breastfed infant's gastrointestinal flora. If oral or intravenous clindamycin is required by a nursing mother, it is not a reason to discontinue breastfeeding, but an alternate drug may be preferred. Monitor the infant for possible effects on the gastrointestinal flora, such as diarrhea, candidiasis (thrush, diaper rash) or rarely, blood in the stool indicating possible antibiotic-associated colitis.

Vaginal application is unlikely to cause infant side effects, although about 30% of a vaginal dose is absorbed. Infant side effects are unlikely with topical administration for acne; however, topical application to the nipple may increase the risk of diarrhea in the infant. Only water-miscible cream, gel or liquid products should be applied to the breast because ointments may expose the infant to high levels of mineral paraffins via licking.[1]

Drug Levels

Maternal Levels. Two women were give clindamycin 150 mg orally. Breastmilk levels of clindamycin averaged 1.3 mg/L 4 hours after the dose.[2]

Two women were treated with clindamycin 600 mg intravenously every 6 hours followed by 300 mg orally every 6 hours (time postpartum not stated). Peak milk levels after the intravenous dose were 2.65 mg/L at 3.5 hours after the dose in one and 3.1 mg/L at 30 minutes after the dose in the other. During the oral regimen, peak milk levels were 1.3 mg/L at 3.5 hours after the dose in the first woman and 1.8 mg/L at 2 hours after the dose in the other.[3]

Five women were given oral clindamycin 150 mg three times daily during the first 2 weeks postpartum. Milk levels were measured after at least 1 week of therapy and averaged 1.2 mg/L (range <0.5 mg/L to 3.1 mg/L) 6 hours after the dose.[4]

After a single oral dose of 150 mg of clindamycin in 2 women, milk levels averaged from 0.3 to 1.2 mg/L between 1 and 6 hours after the dose. The peak occurred at 2 hours after the dose in one woman and 4 hours after the dose in the other.[5]

After a single dose of 600 mg of clindamycin intravenously to 15 women who were 1 month postpartum, milk clindamycin levels averaged 1.03 mg/L 2 hours after the dose.[6]

Infant Levels. Relevant published information was not found as of the revision date.

Effects in Breastfed Infants

Bloody stools in a 5-day-old breastfed infant were possibly caused by concurrent maternal clindamycin 600 mg intravenously every 6 hours and gentamicin 80 mg intravenously every 8 hours. The infant's stools were reported to have normal flora and the stools became guaiac negative 24 hours after discontinuation of breastfeeding. On day 6 of age, the infant resumed breastfeeding after discontinuation of maternal antibiotics with no further difficulties.[7]

Effects on Lactation and Breastmilk

Relevant published information was not found as of the revision date.

Alternate Drugs to Consider

(Systemic infections) Amoxicillin and Clavulanic Acid, Doxycycline, Erythromycin, (Skin infections) Bacitracin, Mupirocin, (Acne) Azelaic Acid, Benzoyl Peroxide, Erythromycin, Tretinoin

References

1. Noti A, Grob K, Biedermann M et al. Exposure of babies to C(15)-C(45) mineral paraffins from human milk and breast salves. Regul Toxicol Pharmacol. 2003;38:317-25. PMID: 14623482

2. Matsuda S, Mori S, Azuma S. Clinical evaluation of clindamycin in gyneco-obstetrics. Chemotherapy (Tokyo). 1969;17:899-900.

3. Smith JA, Morgan JR, Rachlis AR et al. Clindamycin in human breast milk. Can Med Assoc J. 1975;112:806. Letter. PMID: 20312646

4. Steen B, Rane A. Clindamycin passage into human milk. Br J Clin Pharmacol. 1982;13:661-4. PMID: 7082533

5. Matsuda S. Transfer of antibiotics into maternal milk. Biol Res Pregnancy Perinatol. 1984;5:57-60. PMID: 6743732

6. Zhang Y, Zhang Q, Xu Z. [Tissue and body fluid distribution of antibacterial agents in pregnant and lactating women]. Zhonghua Fu Chan Ke Za Zhi. 1997;32:288-92. PMID: 9596854

7. Mann CF. Clindamycin and breast-feeding. Pediatrics. 1980;66:1030-1. Letter. PMID: 7454470

Clindamycin Identification

Substance Name

Clindamycin

CAS Registry Number

18323-44-9

Drug Class

Antiinfective Agents

Antibacterial Agents

Administrative Information

LactMed Record Number

343

Last Revision Date

20130907

Disclaimer

Information presented in this database is not meant as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation. The U.S. government does not warrant or assume any liability or responsibility for the accuracy or completeness of the information on this Site.

Disclaimer: This information is not intended as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation. Use of this website signifies your agreement to the Terms of Use and Online Privacy Policy.

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