Orofar Junior (Benzoxonium Chloride, Lidocaine Hydrochloride)

Orofar Junior, containing an antiseptic and local anesthetic, is used for conditions affecting the oral mucosa.

• Oral mucosal pain: provides temporary relief of pain and discomfort.
• Sore throat: reduces irritation and soreness in the pharyngeal area.
• Mouth ulcers: alleviates pain and offers antiseptic protection to aid healing.

• Benzoxonium chloride exerts its antiseptic effect by disrupting microbial cell membranes, leading to rapid bacterial and fungal cell death. Lidocaine hydrochloride blocks voltage‑gated sodium channels in peripheral nerves, preventing depolarisation and thereby producing local anaesthesia of the oral mucosa. The combined actions result in both antimicrobial activity and temporary pain relief.

Adverse reactions may occur with any topical oral preparation. Most are mild and reversible.

Common Side Effects

• Mild burning or stinging sensation at the application site.
• Transient numbness of the oral mucosa.
• Altered taste perception.
• Mild irritation or redness of the mucosa.
• Localised rash or mild allergic skin reaction.

Serious or Rare Side Effects

• Anaphylactic reaction with swelling of lips, tongue or throat.
• Persistent numbness lasting longer than expected.
• Severe oral tissue swelling or angioedema.
• Difficulty breathing due to airway involvement.
• Severe ulceration or necrosis of the oral mucosa.

Use Orofar Junior only as directed and observe the following safety measures.

• Hypersensitivity: avoid if known allergy to benzoxonium chloride or lidocaine.
• Application area: limit use to intact oral mucosa; do not apply to open wounds.
• Frequency: do not exceed the recommended number of applications per day.
• Pediatric use: consult a healthcare professional before use in children.
• Concomitant anesthetics: avoid simultaneous use with other topical anesthetics.
• Store at ambient temperature: keep in the original container, protect from moisture and direct sunlight.

Drug interactions with Orofar Junior are limited but should be considered.

Major Interactions (Avoid)

• Concurrent use with other topical anesthetics may increase risk of systemic lidocaine toxicity.
• Use with systemic local anesthetics (e.g., intravenous lidocaine) may potentiate anesthetic effects.

Moderate Interactions (Monitor Closely)

• Co‑administration with alcohol‑based mouthwashes may increase burning sensation.
• Use with other oral antiseptics could heighten mucosal irritation.
• CYP450 inhibitors (e.g., amiodarone) may slow lidocaine metabolism, requiring monitoring.