The past two were strictly chest congestion with unproductive cough.

He made an appropriate notation and added a description of the hardy, dry, unproductive cough.

They may cause secretions to thicken, fostering nasal stuffiness and an unproductive cough.

It helps suppress unproductive coughs and also has a mild sedative effect, but has little or no analgesic effects.

Respiratory tract symptoms can include nasal congestion, sinusitis, pharyngeal irritations, asthma and an unproductive cough.

If you are being worn down during the day by a dry, unproductive cough and tight chest, an expectorant like guaifenesin may help loosen up the secretions and enable you to cough them up,in which case, it makes no sense to take a product that contains both an expectorant and a suppressant.

Phenyltoloxamine, like diphenhydramine and doxylamine, is an effective non-narcotic anti-tussive on its own but tends to be effective only for productive coughs as the anticholinergic action will exacerbate dry, unproductive coughs, so it is often combined with dextromethorphan, codeine, ethylmorphine, dihydrocodeine, or hydrocodone in cough suppressants both over the counter and prescription.