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A Randomized Controlled Trial Evaluating Lanolin for the Treatment of Nipple Pain Among Breastfeeding Women

It is widely accepted that breast milk is the optimal source of infant nutrition. Despite the World Health Organization (WHO) recommendation of exclusive breastfeeding for the first 6 months of infant life, many women discontinue breastfeeding as a result of perceived difficulties. Nipple pain is a highly prevalent, significant reason for breastfeeding cessation. Among the numerous interventions for nipple pain, the application of lanolin is commonly recommended, with endorsement by Health Canada, The La Leche League, and International Board Certified Lactation Consultants. The few studies that have evaluated the effectiveness of lanolin on nipple pain have lacked methodologic rigor, and are thus not reliable or generalizable. As such, the purpose of this trial was to rigourously evaluate the effect of lanolin for the treatment of nipple pain among breastfeeding women.
This single-site randomized controlled trial (RCT) compared the application of lanolin (treatment) to usual postpartum care (not applying lanolin) for the treatment of nipple pain. The primary outcome for this trial was the effect on pain severity, as measured by a numeric rating scale (NRS) at 4 days post-randomization.
Of 186 participants, 93 were randomized to the treatment group and 93 to the usual care group. At 4 and 7 days post-randomization there were no statistically significant differences in pain scores between groups. It is noteworthy that by 7 days post-randomization there were clinically relevant decreases in nipple pain in both groups. However, there were no statistically significant differences between groups for other outcomes, including pain measured with the short-form McGill Pain Questionnaire, breastfeeding duration, breastfeeding exclusivity, and breastfeeding self-efficacy. Despite these findings, women in the treatment group were significantly more satisfied receiving lanolin for their nipple pain than those receiving usual care.
Since the use of lanolin is no more effective than applying nothing to the nipples for the management of nipple pain, the widespread use of lanolin is questionable. Further research is required on the role of interventions to prevent nipple pain and damage, and the effect of anticipatory guidance on improving breastfeeding outcomes for those experiencing nipple pain in the early postpartum period.

Identiferoai:union.ndltd.org:TORONTO/oai:tspace.library.utoronto.ca:1807/65631
Date16 July 2014
CreatorsAllen, Kimberley Teresa
ContributorsDennis, Cindy-Lee
Source SetsUniversity of Toronto
Languageen_ca
Detected LanguageEnglish
TypeThesis

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