Seroquel hydrochloride will have certain adverse reactions, patients with too frequent use of the drug is likely to lead to rebound nasal congestion, prolonged use of the drug can lead to drug rhinitis, so it should be strictly in accordance with the doctor’s orders and reasonable use of medication. Seroquel hydrochloride is used to reduce acute and chronic rhinitis, sinusitis and other symptoms caused by nasal congestion, frequent drops of the drug is likely to lead to rebound nasal congestion, too long a period of time can lead to drug rhinitis, may also trigger a slight burning sensation in the nasal passages, pins and needles, headache, dizziness, heart rate acceleration and other reactions. It should also be noted that for this product allergy is prohibited, pregnant women, hyperthyroidism, hypertension, coronary heart disease, diabetes and other patients with caution. If you need to use the drug, it is recommended to use the drug under the guidance of a doctor, not blindly self-medication to avoid adverse effects.