Appendix D

Rx Dexamethasone Elixir or Soulution 0.5mg/5mL

Dexamethasone is a potent corticosteroid. It acts to control the rate of protein synthesis, inhibit migration of polymorphonuclear leukocytes, reverse capillary permeability and stabilize cellular lysosomal membranes.

Indications: Topical treatment of OLP, MMP, and PV.

Contraindications: Hypersensitivity to the drug or any component of the formulation. Fungal, viral or bacterial infections of the oral cavity or throat.

Warnings/Precautions: Use with caution in patients with heart failure, diabetes, GI diseases, hepatic impairment, myasthenia gravis, MI, patients at risk for osteoporosis, seizure disorders, or thyroid disease. Use with caution in patients with glaucoma, cataracts, latent TB, psychiatric disturbances, or secondary infection. May induce hypothalamic-pituitary-adrenal (HPA) axis suppression, particularly in patients receiving supraphysiological doses for prolonged periods. If present, withdrawal and discontinuation of prednisone should be done slowly and carefully.

Drug interactions: Barbiturates, phenytoin, and rifampin increase metabolism of dexamethasone. Dexamethasone decreases the effect of salicylates, vaccines and toxoids.

Administration:
Dosage form – 0.5mg / 5mL elixir or solution.
Topical - Rinse with 5 mL for 2 minutes after meals and at bedtime. Do not swallow. Do not eat or drink for 30 minutes after use.

Monitor efficacy: Improved oral comfort, lesion resolution.

Monitor toxicity: Mucosal thinning, burning, candida superinfection, perioral dermatitis, Cushing’s syndrome (hypertension, obesity, facial plethora, muscle weakness, back pain, striae, bruising, and psychological symptoms).

Length of treatment: As may be required to manage painful exacerbations of OLP.

Cessation of treatment: Topical regimens may be discontinued without tapering.

Instructions to the patient: Use only as instructed. Do not swallow.

For additional information see DailyMed