Yes it can: And don't need to come from lungs,upper respiratory passages can produce lots of secretions. When you have allergies/prone to,viruses can trigger symptoms, without having an infection, saline nasal washes and regular intake of antihistamines & decongestants,unless contraindicated,can help,pls read the labels carefully and don't exceed recommended dosage and duration, if no improvement c ur doctor
Answered 4/2/2019
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