Of course you are probally worried about menigitis.
Because meningitis can be so serious, seeking immediate medical care is essential if you experience the symptoms described and think that meningitis could be the cause.
Fever, headache, neck stiffness, and any change in a person's thinking (for example, unusually sleepy, acting "goofy," talking nonsense) together suggest meningitis.
If you have any of those symptoms go to ER immediately.
Because it sound like you have only one symptom it could be early stages or just something else. It is better to be safe than sorry so I would listen to mom.
Best Wishes to you,