Natural remedy lineup for a vomiting toddler: Here’s what we do when my little one’s tummy is off: Magnesium bath – helps calm the nervous system and relax smooth muscles, including the gut. Total reset mode. Chamomile Salve from @herbhouseapothecary on the lower stomach. chamomile is soothing for the gut and anti-inflammatory. Ginger essential oil in the diffuser – powerful anti-nausea properties, helps reduce vomiting and settle the belly. Electrolyte drink – I mix coconut water, OJ, and sea s