High excretion into breast milk which is very toxic for the infant. Newborn and very young infants eliminate it at a lower rate than adults. Cocaine is detected in urine of infants until 60 hours after a breast feed. Reportedly, cases of irritability, tremulousness, vomiting, diarrhea, dilated pupils, tachycardia and arterial hypertension in infants whose mothers had taken this drug have occurred. Applying on mother's nipple as anesthetic is highly hazardous since seizures, lethargy or coma may occur, Also, severe health troubles by passive inhalation of Cocaine smoke (Crack) have been shown. Drug abuse behavior incapacitates the mother for appropriate baby care and poses a life hazard for both the mother and the infant. Bed-sharing is not recommended for mothers who are taking this drug. After exceptional cocaine consumption a free period of 24 hours should be observed before resuming breastfeeding.