Excreted into breast milk in non-significant amount with no problems among breastfed infants whose mothers were treated with this medication. No alteration on breast milk composition has been seen. Shown to be effective at a dose of 10 - 20 mg three times-a-day for pain relief related to Raynaud's phenomena of the nipple, which is a highly painful vasospasm triggered by cold exposition or trauma produced by inadequate latch-on to the breast. Side effect on the mother should be addressed. American Academy of Pediatrics 2001: Maternal Medication Usually Compatible With Breastfeeding. Eleventh WHO Model List of Essential Drugs 2002: Compatible with breastfeeding.