What should I do if my arm is painful, red, swollen, and has a hard lump after receiving the A+C meningococcal vaccine?
Sep 26, 2023
Source: Cainiu Health
Dr. Lu Haiying
Introduction
In general, pain, redness, swelling, and hard lumps in the arm after receiving the A+C meningococcal vaccine can be managed by closely monitoring the patient's condition, applying cold compresses, warm compresses, potato slices, or using medication. After vaccination, it is important to closely observe changes in the patient's body temperature, mental status, and appetite, and seek medical attention at a hospital if necessary.
Generally, pain, redness, swelling, and hard lumps in the arm following administration of the A+C meningococcal vaccine can be managed through careful observation of the patient's condition, cold compresses, warm compresses, potato slice application, and medication. Specific measures are as follows:
1. Monitor the Patient's Condition
After receiving the A+C meningococcal vaccine, closely observe changes in the patient’s body temperature, mental status, and appetite. Seek medical attention if necessary. If the body temperature does not exceed 38.5°C, the symptoms usually resolve on their own after about 1–2 days of rest. However, if the patient experiences persistent fever, poor mental state, or loss of appetite, medications such as acetaminophen tablets or ibuprofen tablets may be taken as directed by a physician.
2. Cold Compress
After vaccination, the adjuvant at the injection site may not be fully absorbed, stimulating connective tissue proliferation and leading to hard lumps or nodules. Within the first 24 hours, local cold compresses can help reduce redness and swelling.
3. Warm Compress
If the lump persists beyond 24 hours without absorption, apply a warm compress to the area to promote blood circulation and facilitate absorption of the injected substance. Avoid contact with water at the injection site and refrain from rubbing or massaging it.
4. Potato Slice Application
Cut raw potato into thin slices and apply them directly to the injection site; this may help reduce redness and swelling.
5. Medication
If symptoms are severe, topical medications such as erythromycin ointment or ichthammol ointment may be applied to the affected area as directed by a doctor.
If the patient experiences discomfort, seek prompt medical attention for appropriate treatment to prevent delays in managing potential complications.
