Medica Throat Spray Menthol (Chlorhexidine Gluconate, Lidocaine Hydrochloride)

Medica Throat Spray Menthol, containing chlorhexidine and lidocaine, acts on the oral mucosa to provide antiseptic and analgesic effects.

• Sore throat: reduces bacterial colonisation on the pharyngeal mucosa and provides local numbing, helping to alleviate pain and discomfort during swallowing.
• Oral mucosal irritation: cleanses the irritated oral surfaces while delivering temporary anesthesia, supporting comfort in conditions such as minor abrasions or inflammation.
• Throat pain: offers rapid local pain relief through sodium‑channel blockade, decreasing the sensation of pain in the throat region.

• Chlorhexidine gluconate exerts its antiseptic effect by binding to bacterial cell membranes, causing loss of membrane integrity, leakage of intracellular components and inhibition of enzyme activity, which leads to broad‑spectrum microbial killing. Lidocaine hydrochloride provides local anesthesia by reversibly blocking voltage‑gated sodium channels in peripheral nerve fibers, preventing depolarisation and transmission of pain signals from the oropharyngeal mucosa.

Adverse reactions to Medica Throat Spray Menthol are generally mild and related to its antiseptic or anesthetic components.

Common Side Effects

• Taste alteration: a transient metallic or menthol taste that usually resolves within minutes after application.
• Oral irritation: mild burning, tingling or stinging sensation at the spray site.
• Dry mouth: temporary reduction in salivary flow leading to a dry feeling in the mouth.
• Nausea: occasional mild nausea reported shortly after use.
• Dizziness: brief light‑headed sensation that subsides without intervention.
• Throat numbness: prolonged numb feeling in the throat lasting longer than the expected analgesic effect.

Serious or Rare Side Effects

• Allergic reaction: rash, swelling, hives or itching indicating hypersensitivity to one of the ingredients.
• Severe oral ulceration: persistent ulcer formation or tissue breakdown requiring medical assessment.
• Anaphylaxis: rare life‑threatening systemic reaction with respiratory distress, hypotension or collapse.

When using Medica Throat Spray Menthol, consider the following precautions to ensure safe and effective use.

• Indication verification: confirm that the product is appropriate for sore throat, oral irritation or throat pain before use.
• Allergy assessment: ensure the patient has no known hypersensitivity to chlorhexidine, lidocaine or menthol.
• Age limitation: avoid use in children under the age recommended by the prescriber without specific guidance.
• Duration of use: limit application to the shortest period necessary; prolonged use may disrupt normal oral flora.
• Interaction awareness: avoid concurrent use with other oral antiseptics or anesthetic products unless directed.
• Store at ambient temperature: keep the spray below 25 °C in the original container, protected from moisture and direct sunlight.

Medica Throat Spray Menthol may interact with certain medications or substances; consider the following.

Major Interactions (Avoid)

• Alcohol‑containing mouthwashes: may increase mucosal irritation when used together.
• Systemic local anesthetics: concurrent high‑dose lidocaine may raise total anesthetic exposure.

Moderate Interactions (Monitor Closely)

• Anticoagulants: chlorhexidine may rarely affect platelet function; monitor bleeding risk.
• Thyroid medications: lidocaine can interfere with absorption of levothyroxine if taken simultaneously.
• Other oral antiseptics: combined use may enhance mucosal irritation or alter microbiome balance.