Final answer:
The two common subjective signs of otitis media are ear pain (otalgia) and irritability, especially in infants who may tug at their ears or become more irritable and cry more often.
Step-by-step explanation:
The two common subjective signs of otitis media are otalgia (ear pain) and irritability, particularly in infants. Otitis media is an infection that results in pus accumulation in the middle ear, causing pain and possible fever, nausea, vomiting, and diarrhea. Subjective signs are important symptoms reported by the patient and can include non-verbal cues in young children, such as tugging at their ears or increased crying.