Final answer:
Symptoms like unilateral facial pain exacerbated by jaw movement could be indicative of temporomandibular joint disorders or infections such as mumps, both requiring medical attention. Treatment can vary from pharmacological pain management to bite guards for TMJ disorders, while mumps may require supportive care and monitoring for complications.
Step-by-step explanation:
The symptoms described including unilateral facial pain, jaw movement issues, headache, ear discomfort, and additional signs such as swelling of the parotid glands, suggest conditions that might be associated with the temporomandibular joint (TMJ) or parotid gland infections like mumps. Dislocation of the TMJ and temporomandibular joint disorder are common causes of jaw pain exacerbated by jaw movement and can lead to headaches, difficulty chewing, and in severe cases, lockjaw. Treatment may involve the use of pharmacologic agents and supportive therapies such as bite guards.
Besides TMJ disorders, mumps, a viral infection affecting the parotid glands, could also cause fever, headache, muscle pain, and difficulty in chewing, particularly when swallowing acidic substances such as orange juice. Encephalitis and meningitis are serious complications that can arise in the context of mumps or other orbital infections which may present with similar symptoms, indicating a necessity for prompt medical evaluation.