Kindly refer to the Q & A presented here-under:
Question: If a dog licks my body or clothes, how should I purify it?
Answer: It is sufficient to wash it once. However, if the water is little, it is necessary to rid it of the water by wringing.
Question: Is it permissible to keep a dog? If not, why?
Answer: It is permissible to keep a guard dog but it is najis.
With thanks & regards,
Ask An Alim Team