Definition of HONG KONG. 1. special administrative region China on SE coast E of mouth of Zhu River including Hong Kong Island, Jiulong Peninsula & New Territories, & nearby islands; formerly a British crown colony with Victoria as â area 424 square miles (1098 square kilometers), pop 6,708,389.2.. special administrative region China on SE coast E of mouth of Zhu River including Hong Kong Island, Jiulong Peninsula & New Territories, & nearby islands; formerly a British crown colony with Victoria as â area 424 square miles (1098 square kilometers), pop 6,708,389. 2.
Although the symptoms of an anaphylactic reaction usually occur within seconds to minutes after exposure to a trigger, some reactions can occur up to two hours after the exposure. Possible symptoms and signs of an anaphylactic reaction include: Skin symptoms: itching, flushing, hives, and swelling (angioedema) Gastrointestinal symptoms: abdominal pain, abdominal cramping, nausea, vomiting, and diarrhea. Respiratory symptoms: nasal congestion, runny nose, cough, shortness of breath, chest tightness, and wheezing. Cardiovascular symptoms: dizziness, lightheadedness, fast heart rate (tachycardia), and low blood pressure. Additionally, those affected often report a feeling of impending doom..
Anaphylaxis is the result of your body's immune system overreacting to a harmless substance, such as food. Substances that trigger allergic reactions are known as allergens. Anaphylaxis usually develops within minutes of contact with an allergen, but sometimes the reaction can happen up to four hours later.naphylaxis is a severe, potentially life-threatening allergic reaction that can develop rapidly. It is also known as anaphylactic shock. Signs of anaphylaxis include: 1  itchy skin or a raised, red skin rash.