| | Thematic issues | Reference number of each reviewed article |
| | Symptoms | [5, 16–22] [5, 16, 18, 23–25] | | Embarrassing visible physical symptoms | | Progressive loss of functionality and autonomy |
| | Relational and communication problems | [5, 19, 26, 27] [5, 24] | | Oral language (dysphonia, dysarthria) | | Body language (facial mask) |
| | Perceptions exchange | | | The others towards the patient | [5, 16, 21, 23, 24, 26] [5, 16, 28] | | Beliefs on physical and mental status | | PD as an illness for old people only | | Patient towards the others | [5, 26, 27], [5, 16, 18, 24–26] | | Not being understood and taken seriously | | Being a family burden |
| | Caregivers | [24, 25, 28] | | Embarrassment and withdrawal due to their lover’s condition |
|
|