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Allergy medications: Know your options

Decongestants

Decongestants are used for quick, temporary relief of nasal and sinus congestion. They're not intended for routine or long-term treatment of allergy symptoms. They also are not recommended for people with high blood pressure, heart disease, glaucoma or overactive thyroid, also called hyperthyroidism.

Side effects include trouble sleeping, headache, increased blood pressure and irritability.