The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
- Pain at the injection site
- Feeling tired
- Headache
- Muscle pain
- Joint pain
- Chills
- Nausea or vomiting
- Swelling or tenderness of lymph nodes in the armpit of the injected arm
Less Common Side Effects
- Fever
- Redness or swelling at the injection site
Mnexspike serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Inflammation or swelling of the heart: chest pain, shortness of breath, a racing heart
- Serious allergic reaction: trouble breathing; rash; hives; swelling of the face, lips, tongue, or throat
When do Mnexspike possible side effects begin and end?
Time passed since treatment started:
H
D
W
M
Pain at injection site
Feeling tired
Headache
Muscle or joint pain
Chills
Source: FDA
More on Mnexspike side effects

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The following Mnexspike side effects have also been reported
Side effects that you should report to your care team as soon as possible:
- Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
- Heart muscle inflammation—unusual weakness or fatigue, shortness of breath, chest pain, fast or irregular heartbeat, dizziness, swelling of the ankles, feet, or hands
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):






