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, swelling, and redness at injection site
- Mild headache
- Muscle pain
- Low-grade fever
- Tiredness
- Lack of energy
Less Common Side Effects
- Rash
- Blisters at the injection site
Yf-Vax serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Serious allergic reactions: hives, rash, shaking, itching, nausea, flushing, dizziness, shortness of breath, chest pain
Source: DailyMed
The following Yf-Vax 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
- Dizziness, loss of balance or coordination, confusion or trouble speaking
- Liver injury—right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
- Fever
- General discomfort and fatigue
- Headache
- Muscle pain
- Pain, redness, or irritation at injection site
- Unusual weakness or fatigue

