pfizer side effects after 1 week: As of January 2022, Pfizer’s COVID-19 vaccine is manufactured in five countries, including the United States, Germany, Belgium, Ireland, and Croatia, and employs more than 20 suppliers. As with all medicines, you may experience some mild side effects 1-2 days after your vaccination. This is a sign that your body is learning to fight the virus. Most side effects do not last long.
Side effects are reported to the Center for Adverse Reaction Monitoring (CARM) and Medsafe closely monitors and publishes safety reports showing this data.
The top 10 reported side effects of Pfizer vaccines in New Zealand are: pfizer side effects after 1 week.
Response Number Any Dose Number Dose 1 Number Dose 2 Number Dose 3
- headache
- dizziness
- Pain at the injection site
- laziness
- nausea
- Chest discomfort
- fever
- Illnesses like influenza
- Lymphadenopathy
- shortness of breath
When you may experience a side effect

Most side effects appear within a day or two after vaccination.
Pain at the injection site, headache, and feeling tired and lethargic. These are the most most commonly reported side effects.
Place a cold, wet cloth or ice pack on the injection site for a short time.
Do not the touch rub or massage the injection site.
Between 4 and 24 hours
Muscle aches, general malaise, chills, fever, joint pain and nausea may occur.
Rest and drink plenty of fluids
Paracetamol or ibuprofen can be taken, following the manufacturer’s instructions.
Consult your health professional if your symptoms worsen.
Between 6 and 48 hours
New-onset chest pain, shortness of breath, or shortness of breath If you develop any of these symptoms, talk to your health professional right away.
If you’re concerned about how you’re feeling
If you are unsure, don’t know about your symptoms, or if they get worse, call Healthline:
Tell them you have received a COVID-19 vaccination so they know or can assess you properly.
Rare side effects

There are some side effects that are more serious but very rare, such as a severe allergic reaction or inflammation of the heart. Symptoms of myocarditis or pericarditis associated with the Pfizer vaccine usually appear within a few days, and most often within the first few weeks of receiving the vaccine.
If you get any of these symptoms after your vaccination, you should seek medical help, especially if these symptoms do not go away:
Pain, heaviness, discomfort, or pain in your chest or neck
Difficulty breathing or catching your breath
Fainting or feeling dizzy or light-headed
If you experience any of these symptoms within days or weeks of the vaccine, you should see a GP – the consultation is free of charge.
Adverse reactions to vaccines, including the COVID-19 vaccine, may be covered by ACC as a medical injury. Medical injury does not cover the general consequences of vaccination.
There are some side effects that are more serious but rare, such as a severe allergic reaction.
Serious allergic reactions rarely occur
Who should not get the vaccine?
People with a history of severe allergic reaction to any component of the vaccine should not receive it.
People with a history of severe allergic reaction to any component of the vaccine should not receive it. Should not be given to women during pregnancy.
This vaccine is safe for use in children 5 years of age and older, dose adjustment is recommended for children 5-10 years of age.