Whether children can use Oxymetazoline Hydrochloride Spray needs to be determined by age. Generally, children over 6 years old can use Hydroxymetazoline Hydrochloride Spray, children under 2 years old are prohibited from using it, children 2-6 years old are generally advised to use it with caution, and if it is necessary to use it, it needs to be used under the guidance of a pediatrician or otolaryngologist. Hydroxymetazoline Hydrochloride Spray is a more commonly used decongestant, which can be used to treat acute rhinitis, allergic rhinitis, hypertrophic rhinitis, acute sinusitis and so on. It mainly shrinks the nasal mucosa and the middle and lower turbinates, which can relieve the symptoms of nasal congestion, improve nasal ventilation, reduce the retention of nasal secretions, and facilitate sleep at night. However, the nasal mucosa of children under 6 years old is relatively thin, and the development of the structures in the nasal cavity is not yet perfect, the use of this drug may lead to adverse reactions, such as nasal dryness, nasal tingling and other discomforts, as well as the possibility of inducing drug-induced rhinitis. children over 6 years old need to control the duration of the use of hydroxymetholazoline hydrochloride spray, and can not be used for a long period of time, the drug needs to be discontinued after 1 week of use, and if you need to use again, an interval of 1 week is needed. If you need to use the medicine again, you need to wait for more than 1 week. In addition, the use of hydroxymetazoline hydrochloride spray, but also need to observe any adverse drug reactions, if the nasal cavity stinging, heart rate, panic, palpitations and other discomforts, you need to stop using the drug immediately, after stopping the drug can usually be relieved.