constituting or forming a large number; numerous: many people. noting each one of a large number (usually followed by a or an): For many a day it rained. a large or considerable number of persons or things: A good many of the beggars were blind. the many, the greater part of humankind. many persons or things: Many of the beggars were blind.
Hives and angioedema can be caused by: 1  Foods. Many foods can trigger reactions in people with sensitivities. 2  Medications. Almost any medication may cause hives or angioedema. 3  Common allergens. Other substances that can cause hives and angioedema include pollen, animal dander, latex and insect stings.  Environmental factors.
Nausea and vomiting in adults isn't usually a sign of anything serious and tends to only last one or two days. Vomiting is the bodyâs way of ridding itself of harmful substances from the stomach, or it may be a reaction to something that has irritated the gut.One of the most common causes of vomiting in adults is gastroenteritis.omiting is the bodyâs way of ridding itself of harmful substances from the stomach, or it may be a reaction to something that has irritated the gut. One of the most common causes of vomiting in adults is gastroenteritis.