If the symptoms of itching are not relieved after taking loratadine tablets, it is possible that the effect of the drug is not immediate and you can wait for some time or continue to take the drug according to the course of treatment. In addition, attention should be paid to the timely removal of allergens, to consider whether the allergy is caused by clothing or the environment, if not cut off allergic substances contact, the itching symptoms may not be immediately relieved. If after taking loratadine tablets, there is still a rash, redness and swelling on the body that does not subside along with itching, topical anti-allergy creams can also be used to help improve the itching symptoms. If the allergy symptoms are severe and oral medication is not effective, a small dose of dexamethasone can be given intravenously to help relieve the itching symptoms and provide an anti-allergy effect.