Disease analysis: Hello, if you were not allergic to cephalosporin before, you can take cephalosporin. It generally does not cause urticaria. Only allergies can cause urticaria.

Suggestion: If you have a cold, you can take amantadine antiviral treatment. If you have respiratory infection or other infections, you can take amoxicillin anti-inflammatory drugs. Drink more water when you have a cold. Don't drink. Eat spicy food.