Sesame oil has no effect on the treatment of chronic urticaria, food does not have any effect, it can be treated by general treatment, drugs (such as loratadine, cimetidine) and so on. 1. General treatment: if the drug-induced chronic urticaria, need to immediately stop or use other drugs instead, if the food is caused by food allergens to avoid, if it is caused by bacterial, fungal and parasitic infections, the need for targeted anti-bacterial, fungal and deworming treatment. 2. Drug therapy: the treatment of chronic urticaria, can be under the guidance of a doctor, the use of antihistamines, such as loratadine, diclofenac tadine, fexofenadine, cetirizine, and so on, but also the use of H2-receptor antagonists, such as cimetidine, ranitidine, famotidine, and so on. It is recommended that patients with urticaria under the guidance of a doctor, strictly comply with the doctor’s instructions to use medication, not blindly use drugs or unauthorized changes in drug dosage, in order to avoid adverse effects on the body, life should pay attention to the skin clean, help the recovery of the condition.