It is notable among Neisseria for its ability to metabolize sucrose.[2] It can cause endocarditis.[3] While N. mucosa is a rather rare cause of endocarditis, cases of N. mucosa endocarditis have been reported along with symptoms such as painful finger nodules, fever, headache, and tremors.[4][5] In certain cases, patients can become terminal from this strain of the infection but for those that survive, treatment of N. mucosa endocarditis usually takes around 6 weeks.[5]