Hygiene problems may be caused by a variety of factors, including medical issues, cultural differences, mental health issues, personal problems, and poor grooming habits. Never assume that any one of these factors is the cause and be mindful not to violate nondiscrimination laws when addressing a hygiene issue.

What do you call someone with poor hygiene?

slovenly (adj) sloven (noun) n a person who is habitually negligent in appearance, hygiene, or work. Collins English Dictionary. (especially of a person or their appearance) untidy and dirty.

What causes lack of hygiene?

Poor hygiene often accompanies certain mental or emotional disorders, including severe depression and psychotic disorders. Dementia is another common cause of poor hygiene. Other people may develop poor hygiene habits due to social factors such as poverty or inadequacy of social support.