Is it permissible for the husband’s brother to take his brother’s wife to the doctor?

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Check below answers in case you are looking for other related questions:
Can a disbeliever be regarded as a mahram for his Muslim sister when travelling?
The daughter of a sister through breastfeeding is forbidden in marriage

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Related Answers:
The husband of one’s sister’s daughter is not a mahram
Is it permissible to marry the daughter of my mother’s maternal uncle?
Does she have to uphold ties of kinship with her husband’s relatives even after divorce?
Can a disbeliever be regarded as a mahram for his Muslim sister when travelling?
The daughter of a sister through breastfeeding is forbidden in marriage

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