Full Answer Section

• • Angioedema: Swelling under the skin, often around the eyes, lips, face, tongue, or genitals. This can be more serious if it affects the airway.
• Respiratory (Mild):
  • Nasal congestion (stuffy nose)
  • Rhinorrhea (runny nose)
  • Sneezing
  • Mild coughing
  • Itchy throat or mouth
• Gastrointestinal (Mild):
  • Mild abdominal cramping
  • Nausea

Anaphylaxis Symptoms (Severe, Rapid Onset, Multi-System Involvement):

Anaphylaxis is characterized by a rapid onset and progression of symptoms, typically involving two or more body systems, and often includes compromise of the airway, breathing, or circulation. It’s a medical emergency.

• Skin (most common, but can be absent in up to 20% of cases):
  • Generalized urticaria (hives)
  • Widespread flushing and intense itching
  • Severe angioedema (swelling of lips, tongue, face, throat, uvula), which can rapidly lead to airway obstruction.
• Respiratory System (Life-threatening):
  • Dyspnea (Difficulty Breathing): Shortness of breath, feeling of chest tightness.
  • Wheezing: High-pitched whistling sound on breathing, indicating bronchospasm (narrowing of airways).
  • Stridor: A high-pitched, harsh sound on inspiration, indicating upper airway obstruction (e.g., due to laryngeal edema).
  • Hoarseness or difficulty talking
  • Persistent cough
  • Cyanosis (bluish discoloration of skin/lips due to lack of oxygen)
  • Respiratory arrest
• Cardiovascular System (Life-threatening):
  • Hypotension (Low Blood Pressure): A sudden and significant drop in blood pressure, leading to inadequate blood flow to vital organs.
  • Tachycardia (rapid heart rate), though bradycardia can also occur in severe cases.
  • Weak, thready pulse