Leviticus 13:42 · Bible study
Leviticus 13:42 Commentary: Reddish-White Plague on Baldness
Hebrew · 8 what the commentators say
Meaning in one sentence
Explore why baldness itself is clean, but a reddish-white plague on a bald head indicates leprosy in this detailed study of Leviticus 13:42.
Research Summary
- Meaning: Baldness alone is clean, but a reddish-white plague on a bald head signals leprosy and requires the priest to pronounce the person unclean.
- Key words: נֶגַע (nega‘), plague/stroke; אֲדַמְדָּם (adamdam), reddish; צָרַעַת (tsara‘at), leprosy; פֹּרַחַת (porachat), breaking out.
- Main debate: Whether the condition described matches modern Hansen’s disease or is a broader category of ritual impurity.
- Theological theme: God makes careful distinctions between natural variation and serious defilement, calling for wise discernment.
- Best use: A text for understanding how the Old Testament purity laws point to the need for spiritual discernment and the grace of Christ who cleanses.
Translation Comparison
BSB Berean Standard Bible 2020
But if there is a reddish-white sore on the bald head or forehead, it is an infectious disease breaking out on it.
WEB World English Bible 2000
But if a reddish-white plague is in the bald head or the bald forehead, it is leprosy breaking out in his bald head or his bald forehead.
KJV King James Version 1769
And if there be in the bald head, or bald forehead, a white reddish sore; it is a leprosy sprung up in his bald head, or his bald forehead.
ASV American Standard Version 1901
But if there be in the bald head, or the bald forehead, a reddish-white plague; it is leprosy breaking out in his bald head, or his bald forehead.
YLT Young's Literal Translation 1898
`And when there is in the bald back of the head, or in the bald forehead, a very red white plague, it is a leprosy breaking out in the bald back of the head, or in the bald forehead;
Darby Darby Bible 1890
And if there be in the bald head, or bald forehead, a white-reddish sore, it is a leprosy which hath broken out in his bald head, or his bald forehead.
Douay-Rheims Douay-Rheims Bible 1899
But if in the bald head or in the bald forehead there be risen a white or reddish colour:
Translations in other languages (10 available)
Mas cuando en la calva ó en la antecalva hubiere llaga blanca rojiza, lepra es que brota en su calva ó en su antecalva.
Mas quando na calva ou na calva da frente houver chaga branca avermelhada, lepra é que brota em sua calva ou em sua calva da frente.
Mais s’ il y a dans la partie chauve de devant ou de derrière une plaie d’ un blanc rougeâtre, c’ est la lèpre qui a fait éruption dans la partie chauve de derrière ou de devant.
Wird aber an der Glatze, oder wo er kahl ist, ein weißes oder rötliches Mal, so ist ihm Aussatz an der Glatze oder am Kahlkopf aufgegangen.
Maar zo in de kaalheid, of in de blesse, een witte roodachtige plaag is, dat is melaatsheid, uitbottende in zijn kaalheid, of in zijn blesse.
Ma se sulla parte calva del di dietro o del davanti del capo appare una piaga bianca tendente al rosso, è lebbra, scoppiata nella parte calva del di dietro o del davanti del capo.
Wszakże jeźliby na łysinie albo na tem przełysieniu, okazała się blizna biała a sczerwieniałaby, trąd wyrósł z łysiny jego albo z przełysienia jego.
Если же на плеши или на лысине будет белое или красноватое пятно, то на плеши его или на лысине его расцвела проказа;
頭禿處 或是 頂門禿處 若 有 白中 帶紅 的災病，這就是 大痲瘋 發 在他頭禿處 或是 頂門禿處，
But if, on his head or on his brow, where he has no hair, there is a red and white place, it is the disease of the leper coming out on his head or on his brow.
Verse in Context
Original Language (Biblical Hebrew)
Old Testament · Biblical Hebrew · Leviticus 13:42
Source: STEPBible TAGNT/TEHB (CC-BY 4.0). Click or tap a morphology code to see the full parsing.
Scholars' Consensus
Commentators agree that Leviticus 13:42 draws a sharp line between natural baldness and a diseased condition. Verses 40, 41 establish that a man whose hair falls out from age or genetics is clean. The moment a reddish-white plague (נֶגַע, nega‘) appears on that bald area, however, it signals leprosy breaking out. The Hebrew adjective אֲדַמְדָּם (adamdam) denotes a reddish tint, not pure white, not pure red, but a mixture, which the priest used as a diagnostic marker. Gill cites the Mishnah: such bald spots defile after two weeks of observation, confirmed by raw flesh or spreading. The core teaching is that the priest must distinguish harmless physical variation from active disease.
How settled is the interpretation?
Interpretive difficulty: Low
What is clear: Baldness from natural causes is clean; only when a reddish-white plague appears on the bald area does it indicate leprosy requiring priestly diagnosis.
What Scholars Agree and Debate
| Topic | Agreed | Debated |
|---|---|---|
| Nature of leprosy (tsara'at) | It refers to a condition causing ritual impurity, described with visible signs (color, spread, raw flesh). | Some scholars identify it with Hansen’s disease (modern leprosy); others argue it covers various skin conditions, including psoriasis or fungal infections, and is defined more by ritual than medical categories. |
| Role of the priest | The priest was the authoritative diagnostician for ritual purity, not a medical doctor. | Christians differ on whether this priestly role prefigures church discipline (Protestant) or the sacrament of confession (Catholic). Both see a need for spiritual authority in discerning sin. |
| Spiritual application | The passage teaches discernment between harmless conditions and serious sin. | Some emphasize a literal, historical reading as part of Israel’s civil law; others (following Matthew Henry) read it allegorically as a picture of sin corrupting the mind and judgment. |
Historical & Cultural Context
Ancient Israel’s purity laws served both medical and ritual purposes. Leprosy (צָרַעַת, tsara‘at) described a range of skin conditions that rendered a person ceremonially unclean and required separation from the community. The priest acted as a diagnostician, not a physician; he examined visible signs, color, depth, spread, to rule on ritual status.
Baldness alone, whether at the back of the head (קָרַחַת, qarachat) or the forehead (גַּבַּחַת, gabbachat), was a natural occurrence. The Cambridge Bible notes that these two types of baldness are distinguished in verses 40, 41, and neither by itself carries uncleanness. But if a reddish-white lesion appeared on that bald skin, it indicated a new outbreak, not a continuation of the harmless condition. The color combination, reddish and white, matched the description of leprosy elsewhere (e.g., Leviticus 13:19, 24).
The surrounding passage (vv. 43, 46) describes the full procedure: the priest pronounces the man unclean, and he must dwell outside the camp, crying “Unclean!” This isolation protected the community from ritual contagion and, practically, from the spread of disease. The system also had a pastoral dimension: it gave clear, observable criteria so that no one was falsely accused of uncleanness. Wesley observes that such baldness “came not from age, or any accident, but from the leprosy.” The law provided both clarity and mercy.
Textual Notes
The consulted sources note no significant manuscript variants for Leviticus 13:42. The Hebrew text is consistent across the Masoretic tradition, and the main translation differences (e.g., “sore” vs. “plague”) reflect lexical choices rather than textual corruption. The word נֶגַע (nega‘) is consistently rendered as “stroke” or “plague” in the versions, with no evidence of a different reading.
Reception History
Jewish tradition, as recorded in the Mishnah (Negaim 10:10), developed detailed regulations for diagnosing bald-spot leprosy, including two weeks of quarantine and inspection for raw flesh or spreading. The early church largely interpreted these laws as fulfilled in Christ’s healing and cleansing of lepers, turning attention to spiritual purity. Matthew Henry (1710) saw leprosy on the head as a symbol of corrupted judgment: “If the leprosy of sin have seized the head… it is an utter uncleanness.” Later commentators like Keil & Delitzsch focused on the legal and ritual precision, while modern scholars often explore the social and medical dimensions of the text.
Preaching This Verse
Three-point outline
- Natural baldness is clean. God does not treat every physical difference as a sign of sin or impurity. Normal ageing and genetics are not defilement.
- A reddish-white plague changes everything. When a suspicious mark appears on a bald spot, it requires examination. The priest’s diagnosis was based on visible, testable criteria.
- Leprosy in the head is serious. Matthew Henry applies this spiritually: when sin corrupts a person’s judgment, the “head”, it is an utter uncleanness that is hard to cleanse.
Five-point outline
- Baldness alone is not leprosy (vv. 40, 41).
- A reddish-white plague on bald skin is a sign of active disease (v. 42).
- The priest examines and compares the lesion to leprosy on normal skin (v. 43).
- A positive diagnosis leads to a pronouncement of uncleanness and isolation (vv. 44, 46).
- Physical diagnosis becomes a picture of spiritual discernment: not all differences are sin, but some signs must be addressed.
Illustration hooks
- A parent notices a suspicious mole on their child’s scalp. The family doctor doesn’t assume it’s cancer; they run tests. The priest’s careful observation mirrors that responsible waiting before judgment.
- A church leader has a past habit of gossip. Friends don’t automatically assume the worst; but if the pattern continues and spreads, like a reddish-white plague, it must be addressed, not ignored.
Questions your congregation is asking
- How do I know if something in my life is a natural weakness or a serious sin that needs intervention?
- Why does God care about skin diseases in the Old Testament?
- Does this passage mean that physical conditions like baldness are signs of sin?
Leading a Discussion
This short verse sits inside a larger system of laws that taught Israel how to identify and separate what is unclean. The key tension is that baldness alone is clean, but the same bald spot with a reddish-white lesion becomes a serious matter. How does this principle apply to our discernment of sin and grace?
Discussion questions
- According to verses 40, 41, natural baldness is clean. What does this tell us about God’s view of normal human differences and ageing?
- Verse 42 uses the Hebrew word נֶגַע (nega‘), meaning “stroke” or “plague.” Why do you think the law uses this strong term for a spot on the skin?
- The reddish-white colour was a diagnostic sign. How can we develop wise criteria to distinguish between harmless habits and harmful patterns in our lives?
- The priest had to examine and pronounce the person unclean. What role do trusted leaders play in helping us see what we might miss in ourselves?
- Matthew Henry saw leprosy on the head as a picture of a corrupted mind or judgment. In what ways can wrong beliefs “break out” and affect our whole lives?
- Isolation was the consequence of uncleanness. How does this contrast with the way Jesus treated lepers and outcasts?
- What does this passage teach us about God’s desire for both purity and compassion?
Word Study
The key original-language words in this verse. Select any word for its full lexicon entry — meaning, every occurrence in Scripture, and related words.
Interlinear and lexical data from STEPBible (CC BY 4.0). Commentaries are public domain.
For personal reflection
Read the devotional page — prayer, application, and "for families"
What the Commentators Say
8 public-domain commentaries, condensed into plain language.
Barnes' Notes on the Bible Protestant 1832
Barnes notes that the word translated "sore" here more accurately means "stroke." It is the same word used elsewhere in this chapter and the next, where it is rendered "plague."
Cambridge Bible for Schools and Colleges Anglican 1880
The comment distinguishes natural baldness from a leprous infection. Baldness at the back or front of the head is not in itself unclean, but if a reddish-white sore appears on either bald area, the priest must examine it as a possible leprous outbreak.
Geneva Bible Notes Reformed 1599
The Geneva note clarifies that leprosy can break out on bald areas of the head or forehead just as it does on haired skin. The distinctive sign of a white reddish sore indicates the disease is active there, confirming that baldness does not exempt a person from this diagnosis.
Gill's Exposition of the Bible Baptist 1748
Gill notes that the Mishnah gives specific rules for diagnosing leprosy on a bald head or forehead: the priest watches for two signs over a fourteen-day period. If either raw flesh or spreading appears, the person is unclean; if neither, he is set free. The color "white reddish" is an ambiguous mix.
Keil & Delitzsch OT Commentary Protestant 1876
Keil-Delitzsch notes that a white-reddish mole on a bald spot, either at the front or back of the head, is a sign of leprosy if its raised appearance matches leprosy elsewhere on the body. This makes the person unclean, and the priest must declare it so. The commentator stresses that such a mole means the plague is on the person's head.
Lange's Commentary Reformed 1857
Lange sees leprosy as a living symbol of sin and death, a "death element" spreading through life that excludes the sufferer from God's community. He highlights the contrast: in the Old Testament, touching a leper made one unclean, but Christ touched lepers and made them clean. The priest could only pronounce, not heal.
Matthew Henry's Commentary Reformed/Presbyterian 1710
Henry notes that not every physical irregularity should be treated as defilement—a freckled spot or a bald head by itself is clean. But when leprosy appears on a bald head, it symbolizes sin that has seized a person's judgment and principles, making that corruption especially stubborn and hopeless.
Wesley's Explanatory Notes Methodist/Wesleyan 1754
Wesley emphasizes that this kind of baldness is itself a mark of leprosy, not a normal condition from aging or injury. The symptom directly indicates the disease rather than being an unrelated physical change.