kerchief: a square scarf that is folded into a triangle and worn over the head or about the neck
scarf: a garment worn around the head or neck or shoulders for warmth or decoration
metaproterenol: a bronchodilator (trade name Alupent) used to treat asthma and emphysema and other lung conditions; available in oral or inhalant forms; side effects include tachycardia and shakiness