Who should not use NuOx (benzoyl peroxide and sulfur topical)?
Do not use benzoyl peroxide and sulfur topical on sunburned, windburned, dry, chapped, or irritated skin. It could make these conditions much worse. Also avoid using benzoyl peroxide and sulfur topical in wounds or on areas of eczema. Wait until these conditions have healed before using this medication. Do not use benzoyl peroxide and sulfur topical during treatment with tretinoin (Retin-A). The combination could lead to severe skin irritation. It is not known whether benzoyl peroxide and sulfur topical will harm an unborn baby. Do not use this medication without first talking to your doctor if you are pregnant. It is also not known whether benzoyl peroxide and sulfur topical passes into breast milk. Do not use benzoyl peroxide and sulfur topical without first talking to your doctor if you are breast-feeding a baby.