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# Oxymetazoline Nasal Spray
## Overview
Oxymetazoline is a sympathomimetic agent that acts as an alpha-adrenergic agonist. It causes vasoconstriction of the nasal mucosa, reducing swelling and congestion.
## Primary Indications
* Nasal congestion associated with the common cold, allergies, or sinusitis.
## Adult Dosing
* Administer 2 to 3 sprays in each nostril every 10 to 12 hours as needed.
* Do not exceed 2 doses in a 24-hour period.
* Maximum duration of use is 3 consecutive days.
## Pediatric Dosing
* **Ages 6 years to under 12 years:** 2 to 3 sprays in each nostril every 10 to 12 hours as needed. Do not exceed 2 doses in a 24-hour period. Maximum duration of use is 3 consecutive days.
* **Under 6 years:** Safety and efficacy have not been established. Consult a pediatrician.
## Dose Adjustments
No dose adjustments are typically required for hepatic or renal impairment.
## Contraindications
* Hypersensitivity to oxymetazoline or any component of the formulation.
* Patients with narrow-angle glaucoma.
* Patients who have undergone transsphenoidal hypophysectomy or other transnasal surgery where the dura mater may have been exposed.
## Adverse Effects
* **Common:** Nasal burning, stinging, dryness, increased nasal discharge, sneezing, headache, dizziness.
* **Rebound Congestion (Rhinitis Medicamentosa):** Occurs with prolonged or excessive use, leading to worsening congestion and dependence.
* **Systemic Effects (rare with nasal use):** Increased blood pressure, palpitations, nervousness, insomnia.
## Key Drug Interactions
* **Monoamine Oxidase Inhibitors (MAOIs) and within 2 weeks of discontinuing MAOIs:** May cause hypertensive crisis.
* **Tricyclic Antidepressants (TCAs) and other sympathomimetic agents:** May potentiate cardiovascular effects like increased blood pressure.
## Monitoring
* Monitor for signs of rebound congestion with prolonged use.
* Assess for systemic adverse effects, particularly in patients with cardiovascular disease or hypertension.
## Clinical Pearls
* Limit use to a maximum of 3 consecutive days to prevent rebound congestion and tachyphylaxis.
* If congestion does not improve after 3 days, discontinue use and consult a healthcare professional.
* Proper administration technique (tilting head forward slightly) can improve medication delivery.
* Not intended for long-term management of chronic nasal congestion.
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*This information is intended for healthcare professionals and is not a substitute for professional medical advice. Always consult the most current prescribing information and your patient's specific clinical context before making treatment decisions.*
