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Blood on Band-Aid & Shabbat

The Daily Halacha Moment - Blood on Band-Aid & Shabbat 🏥

״כל השונה הלכות בכל יום - מובטח לו שהוא בן העולם הבא״ (נידה עג ע״א, מגילה כח:)

“Anyone who studies Halachot every day is guaranteed that he is destined for the world-to-come” (Megilla 28b, Niddah 73a)


May one place a Band-Aid on a wound if the blood will color the Band-Aid?


Interesting question, One who is bleeding should preferably first wash the blood away before placing a gauze or towel over the wound, even though some blood may continue to come out afterward, since it is done indirectly, one may be lenient. [1] If one needs to place the cloth directly on the wound to stop the bleeding and cannot wash it out first, then one should preferably use a red cloth instead of a white one. If this is also not possible, then one may even use a white cloth. [2]


[1]. See Chazon Ovadia, Shabbat, vol. 5, p. 17. See also pp. 21-22 who explains that where there is a need, one may be lenient and rely on the poskim that since the blood will essentially ruin the cloth, then it is permitted and not considered Tzove’ah, this is especially true if one is using a gauze or paper towel which are meant for this use and will be thrown out after use even if though the gauze is white. See also in Halichot Olam, vol. 4, p. 204.

[2]. See Halichot Olam, vol. 4, p. 204; Chazon Ovadia, Shabbat, vol. 5, p. 21.

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