Reactions can include: Headache is felt as a pulsating, whole-head pain, often with a sense of pressure.
- Fast heart, blood pressure falls, irregular beats with alarming palpitations.
- Skin sensations local itching or burning sensation, flushing and a disagreeable heat eg red rash on face and neck after a glass of wine!
- Stomach pain acid secretion increases; small intestine contracts with crampy pain
- Respiratory - nose swelling, congestion, sneezing and wheezing