The US FDA is warning consumers to not purchase or use Nose Slap and Soul Slap products, which are unapproved drugs marketed to promote alertness and boost energy. The agency issued a warning letter to the Boise, ID-based maker of the products in late April. The products of concern are inhalants and primarily contain ammonia, according to the agency. Inhaling ammonia can quickly lead to eye, nose, and throat irritation; coughing; and airway constriction. FDA has received reports of adverse...