For temporary nasal problems, ginger, lemon, and oregano are effective as herbal teas, for their natural antibiotic effect. It is also recommended to do eucalyptus and chamomile inhalations to fight a stuffy nose. Camphor, for its part, can be applied as an ointment or balm to clear the nose.
However, it will be important to see a doctor if symptoms persist after ten days, to make sure it is not an ENT problem such as sinusitis or rhinopharyngitis.