Prevnar 20
FDA Approved: 2021
Vaccine Type(s)
Ingredients
- Aluminum 125 mcg
- Casamino acid (derived from milk proteins) 1 exposure
- Diphtheria protein 51 mcg
- Polysorbate 80 100 mcg
- Soy peptone 1 exposure
- Yeast 1 exposure
What you can expect
These are the most commonly reported short-term reactions based on the manufacturer's official package insert.
⚠️ Limited data — rates may not fully reflect real-world experience
Adults (18-59)
Injection site reactions
Very common
Pain, redness, or swelling where the shot is given
More than 5 in 10
Muscle pain
Very common
More than 5 in 10
Fatigue
Common
More than 3 in 10
Headache
Common
More than 3 in 10
Joint pain
Less common
About 1 in 10
Adults (60+)
Injection site pain
Very common
More than 5 in 10
Muscle pain
Common
More than 3 in 10
Fatigue
Common
More than 3 in 10
Headache
Less common
About 1 in 10
Joint pain
Less common
About 1 in 10
Source: FDA-approved package insert
See the Full Picture
Knowing what’s common is just the start.
- Compare reactions across brands
- See what shows up when vaccines are given together
- Understand what that means for you or your family