For contact dermatitis, if the skin is intact, you can apply the lotion first and then the ointment. If the skin is broken, it is recommended to apply the ointment directly. Contact dermatitis is an inflammatory skin condition that occurs when the skin comes into contact with external substances and is treated with topical medications. If the contact dermatitis skin is intact, you can apply lotion before applying the ointment, the lotion can increase the degree of skin hydration, which can promote the absorption of drugs into the skin. If a person with contact dermatitis has broken skin, it is not recommended to apply lotion first, because lotion will contain chemical ingredients, which may not be conducive to the recovery of broken skin, clean and disinfected, and then apply ointment directly. Common ointments used to treat contact dermatitis include mometasone furoate ointment and hydrocortisone butyrate ointment. If the topical medication, the symptoms still can not get better or the condition is more serious patients, you also need to take oral medication, such as loratadine, dexamethasone and so on. It is recommended that patients seek timely medical treatment, under the guidance of a physician to carry out regular treatment.