This sounds like Urticaria and Angioedema. There could be many causes from allergy, to side effects of medication, to low grade infection or an autoimmune disorder. The best place to start would be to see a Dermatologist for testing and assessment.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.