It may take several trials to determine the best medication and the optimal dosage for you. They are more effective when you take them around the clock. They can cause you to become drowsy, especially if you combine them with alcohol. Other side effects you may experience include dizziness, blurred vision, insomnia, tremors, nausea and dry mouth. If any of the side effects are a problem for you, be sure to discuss them with your practitioner.
Decongestants can give short-term relief from nasal stuffiness.
However, many decongestants promote histamine release. Corticosteroids may lessen your allergic reaction by preventing body cells from responding to histamine. For allergic rhinitis, these compounds are administered via a nasal spray. Minimal side effects have been found. However, use of corticosteroids in a nasal spray is relatively new.