Finger licking and wall wiping in dementia patients is a common but puzzling behavior. Your mother may be doing this for a few reasons:
Sensory seeking: People with dementia often crave sensory stimulation. The act of licking fingers and touching walls provides tactile feedback that may be comforting or interesting to her[1].
Boredom or restlessness: This repetitive behavior could be a way for her to occupy herself when understimulated[1].
Confusion: She may think her fingers are dirty or that the walls need cleaning, even if they don’t[3].
Oral fixation: Some dementia patients develop an increased urge to put things in their mouths, similar to young children[1].
Unmet needs: This behavior might signal hunger, thirst, or a need to use the bathroom that she can’t express verbally[3].
Medication side effects: Certain medications can cause dry mouth, leading to increased licking[3].
To address this, try:
Offering safe objects to handle for sensory stimulation
Keeping her engaged in activities she enjoys
Ensuring she’s well-hydrated and fed
Checking if she needs to use the bathroom regularly
Consulting her doctor about possible medication adjustments
Remember, this behavior isn’t intentional. Approach the situation with patience and compassion. If it persists or causes distress, speak with her healthcare provider for more tailored advice[3].
