Side effects of Dacronin Ointment include skin irritation, systemic symptoms. Contraindications include, children under 15 years of age are prohibited, prohibit the use of the drug for too long. 1.Side effects of Dacronin Ointment: (1) Skin irritation: Dacronin Ointment is a topical drug, some patients may experience skin irritation symptoms after using the drug, such as burning sensation of the skin, allergic reactions, such as itching and rash. (2) Systemic symptoms: some patients have poor tolerance to Dacronin Ointment, and may experience adverse reactions such as hot and cold sensations, anxiety, localized numbness, and headache. 2.Contraindication of Dacronin Ointment: (1) Prohibited for children under 15 years old. (2) Prohibit the use of the drug for too long, avoid using it for more than two weeks. (3) Avoid contact with periocular or mucosal tissues, skin breaks or rashes are prohibited. (4) Prohibited if the drug’s properties have changed. Adverse reactions during the use of the drug is more obvious, it is recommended to stop the use of the drug, and promptly go to the hospital. If you are using other drugs, you need to consult the relevant physician or pharmacist before using this product.