Zip-up impermeable covers for mattress and pillows will prevent mold sensitivity and manage house dust mites. Air cleaners are most useful with smokers in the home. Saline nose drops can provide symptomatic relief. Efficacy of this treatment has been proven for ragweed, grass, tree pollens and dust mites. It is most effective in seasonal pollinosis, and also can control perennial symptoms.
Most physicians overprescribe.
Very useful in the infant. Few studies indicate their effectiveness. Cool Mist may be preferable. No good studies in children, but it is clear that using these medications does not prevent otitis media, sinusitus, or asthma. The use of medications for the common cold is high and represents a huge national expense.