What common symptom may occur after receiving the influenza vaccine?

When considering the common symptoms that may occur after receiving the influenza vaccine, nasal congestion is indeed one of the possible reactions. However, it is important to note that while nasal congestion can occur, more prevalent and typical symptoms associated with the influenza vaccine actually include headache, muscle aches, and fever.

These symptoms arise because the vaccine stimulates the immune system to build protection against the influenza virus. The body’s immune response can often manifest as mild, short-term symptoms such as headache, muscle aches, or low-grade fever. Such symptoms usually last only a day or two and are generally considered a normal part of the body’s process of developing immunity.

Therefore, while nasal congestion can occur, it is less common compared to the other symptoms mentioned, which more closely align with the typical reactions observed after vaccination. Understanding this helps clarify the more frequent experiences individuals may encounter post-vaccination.