Therefore, two red onions may be preferable, but any two medium-sized onions will do. [substeps] Onions are known to contain quercetin (an antioxidant) and phytochemicals, both of which may help the body by breaking up the mucus in the chest and head.
[header] How to make and use an onion poultice for congestion [title] Purchase two medium-sized onions. [step] Red onions typically contain the most quercetin. However, all onions have some of the antioxidant and have demonstrated expectorant properties for those with congestion.