Causes Of Urticaria

The common causes are:

• An allergic reaction, such as a food allergy or a reaction to an insect bite or sting.
• Cold or heat exposure.
• Infections such as a cold.
• Certain medications, such as non-steroidal anti-inflammatory drugs or antibiotics.
• Hormonal changes and emotional factors.
• Foods like peanuts, eggs, nuts, and shellfish.
• Latex, pollen, and some plants and pet dander.