Skin Reactions: Hives (urticaria): Raised, itchy welts on the skin. Angioedema: Swelling of the deeper layers of the skin, often around the eyes and lips.
Respiratory Issues: Nasal Congestion: Stuffy or runny nose. Asthma Symptoms: Wheezing, shortness of breath, or difficulty breathing.
Gastrointestinal Symptoms: Abdominal Pain: Cramping or discomfort in the stomach. Nausea and Vomiting: Feeling sick to the stomach or vomiting.
Oral Symptoms: Oral Allergy Syndrome: Itching or swelling of the mouth, throat, or lips after eating grapes.
Anaphylaxis: In severe cases, grapes can trigger anaphylaxis, a life-threatening reaction characterized by difficulty breathing, rapid heartbeat, a drop in blood pressure, and loss of consciousness.
This requires immediate medical attention and treatment with epinephrine.
While grape allergies are relatively rare, they can occur, and individuals with known sensitivities should exercise caution when consuming grapes or grape products.