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Know About COVID-19 Vaccine’s Side Effects

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Know About COVID-19 Vaccine’s Side Effects

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COVID-19 vaccines can be a protective barrier, but it is necessary to know the side effects before getting the vaccine. Read the article to know more.

Written by

Dr. Lochana .k

Medically reviewed by

Dr. Pandian. P

Published At February 22, 2022
Reviewed AtDecember 14, 2022

What Are the Side Effects of COVID-19 Vaccines?

The side effects of COVID-19 vaccines are:

  • Redness in the injection site.

  • Swelling and pain in the injection site.

  • Muscle pain.

  • Headache.

  • Tiredness.

  • Nausea.

  • Fever.

  • Chills.

Any symptoms found at the site of injection are usually common. The other symptoms might subside in a short span of time. Side effects should not be seen as a negative factor because it is an indication that the body is working on protective mechanisms. Some side effects can be really difficult to handle, and they can even cause an individual to refrain from daily activities. It should usually resolve on its own. You can consider taking a few medications like Aspirin, Acetaminophen, Ibuprofen, and Antihistamines for your body pain and discomfort. These medications will be helpful in relieving the post-vaccination symptoms.

People who received vaccines like Pfizer-BioNTech and Moderna reported more side effects after receiving the second dose. Approximately 23 people from Norway died after being vaccinated with Pfizer-BioNTech. There was no specific evidence to show that the vaccines were the only cause for death in these people. People with underlying health issues have a noticeable aggravation of side effects. This has made doctors diagnose sick people in a deeper manner before administering the vaccination.

In the United States of America, death has occurred after receiving vaccination due to the poor levels of blood platelets. Also, there is no actual evidence to prove the correlation between death and the vaccine. The Oxford-AstraZeneca vaccine has caused more than 30 cases of blood clots in patients. Since the risk of blood clots was low, the European Medicines Agency declared that Oxford-AstraZeneca is a safe vaccine. But countries like Norway, Germany, France, and Denmark have stopped the distribution and usage of Oxford-AstraZeneca.

The Indian version of the Oxford-AstraZeneca vaccine is Covishield. However, there have not been any reported cases of blood clots in people who received the Covishield vaccine. Therefore, the distribution of this vaccine has not been interrupted.

When Is a Person Fully Vaccinated?

Some vaccines require two doses, while others require only one dose. In the two-dose vaccine, the process of vaccination is complete only after receiving the two doses. The vaccines that require two doses are:

  • Moderna.

  • Pfizer-BioNTech.

  • Covaxin.

  • Covishield.

  • Coronavac.

  • Novavax.

  • Sputnik V.

  • Oxford-AstraZeneca.

Vaccines like Johnson and Johnson need only one dosage. Receiving one dose of Johnson and Johnson is considered a complete state of vaccination. Each and every vaccine has a specific time interval between the doses. It is necessary for the individual to be aware of it.

What Is the Necessity for Two Doses of Vaccine?

Researchers identified that certain vaccines need two doses. There is a requirement for two doses because, in some vaccines, only a mild immune response was evoked when one dosage was provided. In order to improve the stronger immune response, another dosage was added. The first dosage built a basic level of protection, and this was reinforced by the second dosage. It is necessary to follow the exact time interval between the first and the second doses. The influence of delayed second dose has not been identified yet, and so it is necessary to stay aware and careful.

What Are the Dos and Don’ts After Receiving a Vaccination?

After receiving the vaccine, there are certain factors you can stop doing. Also, there are a few points you need to be aware of.

  • Do’s:

    • You should stay away from other people for a duration of 14 days after receiving the vaccination. If you do not experience any symptoms, then you can freely start living in a group indoors.

    • You can stay indoors without wearing a mask if your surrounding people have received the vaccination.

    • When you go outside, you still have to maintain a social distance of six feet.

    • Frequent hand washing and sanitizing measures.

  • Don’ts:

    • Avoid gathering around non-vaccinated people.

    • Avoid huge gatherings.

    • Avoid international travel.

    • Avoid staying in unventilated areas.

    • You should not go outside if you suspect symptoms of COVID-19 in any of your family members.

Why Does the Second Dose of the COVID-19 Vaccine Have Intense Side Effects?

Many medical experts report that people who receive the second dosage of the COVID-19 vaccine express a higher degree of intense symptoms than the people who receive the first dose. The side effects might be mild, and they usually disappear within 48 hours of vaccination. The common symptoms experienced after the second shot of COVID-19 vaccines are headache, fatigue, fever, and soreness at the site of injection. These side effects do not depict a bad sign. The common signs of side effects expressed by the vaccine are created due to the immune response that is generated in the body. These side effects are positive signs of the human body responding to the vaccines of COVID-19. Another good thing is that the side effects are seen only for a short duration, and it is better than getting a positive condition of COVID and then trying to recover from it.

It has been noted that more than fifty-five million doses have been given to the people of the United States of America. Reports from the Centers for Disease Control and Prevention say that more than fifteen million second shots were given. Initially, the vaccine will teach the human body to react to the virus, and the second dose will help in providing complete vaccination. The first shot will stimulate the antibodies and specific cells called memory cells. These stimulated factors will respond to the viral proteins of COVID-19.

The intense side effects seen in the second shot were not a new and unpredictable phenomenon. The severity of the symptoms after getting two doses of vaccines was noted with tetanus and zoster too. In fact, people were mentally prepared to expect an intense degree of symptoms, but still, they managed to end up with a mild reaction. Experiencing symptoms like fatigue was common and did not require any special medical attention. The appearance of side effects was visibly noted more among the young people than the older people. On analyzing various factors, medical field experts gave a positive explanation that the strong immunity found in older people was the reason for their fewer side effects.

Should We Worry About the Side Effects?

It is true that some people are in a panic state about the side effects. If you do not have any side effects, then it is absolutely not a worrying factor. If you experience any symptoms, you do not have to panic because it is going to last only for a few days. Any absence of side effects does not show that your immune system is poor and not responding to the vaccine. People should not stress about the side effects, and they should confidently start to receive the vaccination. By the end of the first dose, 50 percent of the immunity is boosted, and by the end of the second dose, 95 percent of the immunity will be delivered within two weeks. After the complete development of immunity, the human body will be effective against all the symptoms of COVID-19.

When Do You Need Medical Care?

You should contact your healthcare provider if you have pain or redness in the injection site for more than 24 hours. If you experience any abnormal symptoms, you have to report them to a doctor immediately.

Call a doctor online for more information.

Frequently Asked Questions

1.

How Can One Stop Side Effects From Vaccines?

One has to keep in mind that they have to use ice packs or cool and damp clothes to minimize the redness and swelling at the site. Painkillers also help a lot. In addition, staying hydrated and getting plenty of rest can boost the body's natural ability to recover from vaccine side effects.

2.

Can One Get Two Vaccines in One Arm?

Yes, it is generally safe and common practice to receive two different vaccines in one arm, especially if you are getting a combination vaccine or booster shots. Healthcare professionals often administer multiple vaccines in the same arm to simplify the process and reduce discomfort. However, the specific approach may vary based on individual health conditions and vaccination guidelines.

3.

What Are the Five Significance of Vaccination?

Vaccination is done to initiate the process of immunization that, in turn, prevents the person from getting severely ill and safeguards them from other diseases like hepatitis b, hearing loss, amputation of legs and arms, brain damage, and brain malfunction. 

4.

What Is the Mechanism of Action of a Vaccine?

The weakened and inactive parts of the antigen are included in the vaccines, which helps trigger an immune response inside the body. Once vaccinated, the immune system recognizes these harmless antigens as threats and produces antibodies to fight them. This process enables the body to 'remember' the pathogen, so if it encounters the real virus in the future, it can quickly mount a defense, preventing or reducing the severity of the disease.

5.

Why Are the Side Effects After Vaccination?

When one gets vaccinated, they often experience side effects because the vaccine that is put inside the body is recognized as a foreign material by one’s immune system, as a result of which it starts attacking on a small scale basis. This procedure basically trains the immune cells to respond to it like an invader, which is why they experience the side effects. 

6.

Which Vaccine Is the Most Efficacious Against Omicron?

Bivalent booster shots, other ones which were authorized in 2022 annual found to be the most effective against the omicron variants BA.4 and BA.5. It is important to note that the effectiveness of vaccines, including bivalent booster shots, can vary based on factors like individual health and the ongoing evolution of the virus. Continuous research and monitoring are conducted to adapt vaccines and develop new ones to combat emerging variants.

7.

How Long Does COVID Symptoms Last?

Patients who suffer from post-COVID symptoms experience various symptoms that last weeks, months, or even years after the infection. In some cases, the symptoms can even go away or come back again. The duration of post-COVID symptoms can vary widely among individuals, and research is ongoing to understand the long-term effects of the virus, known as long-term COVID-19, which can impact multiple organ systems and significantly affect a person's quality of life.

8.

What Is the Main Objective of COVID Vaccine?

The aim of the vaccine is solely to prevent the pandemic from spreading along with the associated diseases and deaths. Additionally, COVID-19 vaccines also contribute to achieving herd immunity, a state where a sufficient portion of the population is immune to the virus, reducing its overall transmission. This not only protects those who are vaccinated but also those who cannot be vaccinated due to health reasons, creating a safer environment for the entire community.

9.

What Are Two Kinds of Immunity?

There are two primary forms of immunity: innate immunity, the immediate and general defense against various pathogens, encompassing physical barriers and immune cells like macrophages and natural killer cells, and adaptive immunity, which develops over time and involves specialized cells (T cells and B cells) that recognize specific pathogens, enabling a quicker and targeted response upon re-exposure to the same pathogen.
 

10.

How Do Vaccines Safeguard A Person?

Vaccines mainly protect one from diseases that can turn deadly or dangerous. Vaccines basically help the immune system fight against infections in a more effective and faster manner. When vaccination is done, the immune system gets a boost and helps the body fight off. 

11.

Is COVID Vaccine Booster Dose Necessary?

Covid boosters are extremely necessary for people who are already vaccinated but have a very weakened immune response over time. Additionally, booster doses are crucial in enhancing and prolonging immunity, especially in the face of emerging variants like Omicron. They provide an extra layer of protection, reducing the risk of severe illness, hospitalization, and transmission, ensuring a more robust defense against the evolving landscape of the virus.

12.

How Long Will a Person Retain COVID Antibodies?

The antibodies might stay in one’s blood for a few months to a year. However, the duration of COVID-19 antibodies can vary from person to person based on factors such as the individual's immune response and the severity of the infection or vaccination. Research suggests that while antibody levels might decline over time, the immune system retains a memory of the virus, providing some level of protection against severe illness upon re-exposure, even if antibody levels diminish.

13.

Which COVID Vaccine Is More Satisfactory for Seniors?

It often becomes difficult for older adults to go for vaccines twice, so J&J's one-shot vaccine is helpful in eliminating the burden of scheduling two doses so that the older adults can come out only once to get vaccinated.
 

14.

When Does COVID Manifestation Start?

The symptoms generally start within two to 14 days after there is exposure to the virus and can range from mild to severe. In this incubation phase, the virus replicates within the body, leading to a range of symptoms such as fever, cough, changes in taste or smell, fatigue, and respiratory issues.

15.

Can a Person Have COVID and Still Test Negative?

Yes, a negative test does not always ensure that the infection is not there. It simply means that the test could not detect the virus. In some cases, especially during the early stages of infection or if the test is not administered correctly, the virus might not be detected, leading to a false-negative result. Factors like the timing of the test in relation to exposure and the quality of the test can influence its accuracy.
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Dr. Lochana .k
Dr. Lochana .k

Dentistry

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