The presentation is non specific and could point towards an allergic reaction called urticaria. Meet a Dermatologist for better understanding of your current scenario and appropriate treatment approach. You can consider having OTC anti-allergic medications for symptom relief and applying calamine lotion on affected areas.
Next Steps
You can meet a qualified Dermatologist with MD/DNB/DDVL/DVD degree for proper examination.
Health Tips
You can consult me online for personal recommendations.