Cetirizine hydrochloride tablets are clinically very good anti-allergy drugs, and generally patients should be able to get their allergy symptoms under control after 3 days of medication. However, if the patient’s allergy symptoms are particularly serious, in such a case the medication will only gradually improve in 1 week. If necessary, the patient can continue to consolidate for 1 week, so that the allergy symptoms will be treated more thoroughly and can effectively prevent the recurrence of allergy symptoms after stopping the medication. For patients with allergic diseases, they should exercise more and improve their resistance ability. At the same time, you can do more aerobic exercises, such as running, playing basketball, practicing yoga, swimming and so on. You can also drink pidomod oral solution appropriately to improve resistance, and if necessary, you need to go to the hospital for further consultation.