. Posted in ALLERGIES

Oral decongestants cause the blood vessels in the nose to constrict, and the mucous membranes and the turbinates to shrink. This essentially relieves nasal congestion, improving nasal air flow. The combination of a decongestant and an antihistamine is significantly more effective in reducing total nasal symptoms, including nasal congestion, than either agent is alone. However, I am opposed to using decongestants on a chronic basis because of the side effects.

Side Effects

Decongestants are stimulants; and if used too frequently, they can cause insomnia, nervousness, tremor, and palpitations with arrhythmias. Decongestants should be used cautiously for those with coronary artery disease, hypertension, diabetes, or hyperthyroidism and in those receiving monoamine oxidase inhibitors. The drug may also aggravate narrow - angle glaucoma and symptoms of bladder-neck obstruction. Two common decongestants are pseudoephedrine (Sudafed) and phenylephrine (Sudafed PE).

Sinus Tips:
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