Nasal congestion and sneezing is common in colds and allergic rhinitis, the former can use drugs such as aminophenol mephedrone; the latter need to avoid contact with allergens, the use of loratadine, nasal spray hormone and other treatments. Different diseases are treated differently, and you can’t blindly pursue “quick results”. Nasal congestion is inflammatory factors stimulate the nasal mucosal capillaries, so that blood vessel expansion and congestion, local edema, caused by the narrowing of the nasal passages. Inflammatory factors will also stimulate the peripheral nerves of the nose, through sneezing out the pathogen. When you have a cold, you can drink plenty of water, pay attention to rest, choose interferon spray throat, saline nasal wash, oral aminophenol mephedrone to relieve symptoms. Allergic rhinitis to relieve nasal congestion and runny nose need to avoid contact with allergens, oral loratadine anti-allergy, nasal spray hormone, such as fluticasone propionate nasal spray nasal spray; nasal decongestant, such as 0.5%-1% ephedrine liquid nasal drip, general application of not more than 7 days; nasal rinsing, nasal secretions and allergens flushed out of the nasal cavity, to relieve the symptoms. Nasal congestion and sneezing symptoms, may also be caused by nasal foreign body, it is recommended that the hospital consultation, diagnosis is clear, follow the doctor’s instructions for medication and treatment.