Mumps can cause damage to several tissues and organs of the human central nervous system, reproductive system, digestive system, and circulatory system, but overall, the incidence of mumps complications is low. If the central nervous system is involved, the patient may experience dizziness, headache, fever, convulsions, coma, tinnitus, and loss of vision. 2. If the circulatory system is involved, the patient may experience chest tightness, palpitations, panic attacks, and other symptoms of myocarditis.