Sinus draining is not related to allergies or infections, but is thick and causes a cough and constant throat clearing - worse at night. Can this drug be used long term or does it have to be taken for a specified time and then stopped for a while?
As far as I know there are no restrictions on the length of time Mucinex is used for. I suppose there is no harm in taking it if symptoms persist. However, your symptoms sound like there is an underlying problem. Are you on any other medicines? Maybe you need to get medicines to treat your sinusitis.
- Mucinex Information for Consumers
- Mucinex Information for Healthcare Professionals (includes dosage details)
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