The side effects of Sulfur Ointment include skin irritation, burning sensation, allergic reactions, etc. It is contraindicated for those who have a history of allergy to the ingredients, and is recommended to be used under the guidance of a physician or pharmacist. Sulfur ointment is composed of sulfur and borax, and can be used externally to treat seborrheic dermatitis, scabies, acne, and chronic eczema and other skin diseases. Sulfur ointment side effects are mainly skin irritation such as burning sensation, some people may have rashes, itching and other allergic reactions; if the site of the medication burning sensation, redness and swelling, such as not adapted to stop the drug, wash the local drug, if necessary, consult a doctor. This drug should not be used by people who have a history of allergy to the components of this drug, should avoid long-term large-scale use of this product, infants should not be used. When using the drug, be careful not to contact the eyes or mucous membranes such as the mouth and nose. This medicine should not be used in combination with mercury-containing preparations, as they are prone to deterioration and increase irritation. If it is to be used in combination with other topical acne medications, dandruff medications, etc., a doctor should be consulted first. Sulfur Ointment is recommended to be used under the supervision of a physician or pharmacist. If you experience any discomfort, discontinue the medication and consult your physician.