Nodules may appear after vaccination, which may be a reaction to the vaccine or due to allergies.
1. Vaccine reaction: vaccination is a safer and more effective way to prevent the new crown virus infection, after playing the new crown vaccine injection site may appear nodules, belong to one of the more common reactions to vaccination, the main reason is because the injection of the vaccine has not been completely absorbed by the human body, if there are no other abnormal symptoms, it is recommended to temporarily observe, generally 2 to 3 days are able to subside on their own.
2. Allergy: People with allergies may experience nodular hard lumps at the injection site after vaccination, and in severe cases, redness and swelling may also occur. If redness or swelling occurs, it is recommended not to scratch with your hands, but to use a hot towel to apply warm compresses to the area. If the symptoms are more serious, the injection site can be sterilized with iodophor or alcohol under the guidance of a doctor.
Nodules appear after injection of the new crown vaccine, usually do not need special treatment. During the period, you should pay attention to good skin care work, the injection site should avoid water, to prevent local infection.