Classification of adverse reactions to yellow fever vaccine
Yellow fever vaccine is a preventive vaccine against the yellow fever virus and is widely used to prevent the occurrence of yellow fever. However, adverse reactions to yellow fever vaccine may occur, including local and systemic reactions. According to different reaction types, adverse reactions to yellow fever vaccine can be divided into the following categories.
Local reactions include redness, swelling, pain, and induration at the injection site, which usually occur within one to two days after vaccination and last for a short period of time. Rarely, injection site reactions may last for weeks or months.
Systemic reactions include symptoms such as fever, headache, muscle pain, fatigue and nausea, and usually appear within one to five days after vaccination and last for a short period of time. Rarely, systemic reactions may be severe, manifesting as chills, high fever, hypotension, and heart failure, and stabilization treatment and monitoring may require hospitalization.
Nervous system reactions, including encephalitis and myelitis, occur rarely but require prompt treatment if they occur.
Allergic reactions are rare, but if symptoms occur, emergency treatment is required.
Methods to deal with local reactions
1. Use an ice pack on the injection site to relieve pain and swelling. Apply cold compress for 20 minutes, 3-4 times a day.
2. Do not massage or squeeze the injection site to avoid further discomfort.
3. If large induration occurs at the injection site, you can use hot compress for 20 minutes each time, 3-4 times a day to help relieve the induration.
Methods to deal with systemic reactions
1. Take antipyretics and analgesics such as antipyretics to relieve symptoms.
2. Take antihistamines under the guidance of your doctor to help relieve allergic reactions.
3. Drink plenty of water, light soup and food, and avoid alcohol and strenuous exercise to help your body recover quickly.
Methods to prevent nervous system reactions
1. The best way to prevent yellow fever vaccine reactions is to inform the recipient of the health status before vaccination and post-vaccination prevention and monitoring so that reactions can be dealt with promptly.
2. For vaccinators related to neurological diseases, such as epilepsy, multiple sclerosis, etc., strictly follow the doctor\’s treatment recommendations.
3. Provide timely and effective treatment to reduce the occurrence and harm of nervous system reactions.
How to reduce the occurrence of allergic reactions
1. People who have a history of allergic reactions to yellow fever vaccine must not get vaccinated again.
2. Use drugs containing certain substances with caution, such as cephalosporins, trimethoprim, and cisplatin. These drugs may increase the risk of allergic reactions.
3. Before vaccination, you should tell your doctor your allergy history so that he can decide whether to receive yellow fever vaccine.
Summary
Adverse reactions to yellow fever vaccine include local reactions, systemic reactions, neurological reactions and allergic reactions. Treatment of adverse reactions to yellow fever vaccine requires individualized treatment based on the actual situation. Through the above methods, the adverse reactions of yellow fever vaccine can be reduced and the health of the recipients can be protected.
