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4head Cutaneous Stick: Clinical Particulars

 

Active ingredient: levomenthol

Medically reviewed by Min Clinic Staff | Updated: January 2026

1. Name of the medicinal product

4HEAD™ CUTANEOUS STICK

 

2. Qualitative and quantitative composition

Levomenthol 90% w/w.

For full list of excipients, see section List of excipients.

 

3. Pharmaceutical form

Cutaneous Stick.

 

4. Clinical particulars

4.1 Therapeutic indications

For the relief of headaches.

 

4.2 Posology and method of administration

4head is to be applied gently to the forehead. To be used as required, but excessive use avoided. If symptoms persist or worsen seek medical advice. For external topical application only.

 

4.3 Contraindications

Not recommended in patients where there is a known hypersensitivity to menthol.

 

4.4 Special warnings and precautions for use

Keep away from the eyes, levomenthol is irritant if allowed to come into contact with the eyes.

For single patient use only. For topical use - not to be taken.

 

4.5 Interaction with other medicinal products and other forms of interaction

None known.

 

4.6 Pregnancy and lactation

There is no information on safety when used during pregnancies and breast feeding, but there should be no hazard when applied as advised.

 

4.7 Effects on ability to drive and use machines

None known.

 

4.8 Undesirable effects

Menthol may give rise to hypersensitivity reactions including contact dermatitis. Because levomenthol is volatile, in rare cases it may cause temporary, mild watering of the eyes.

Reporting of suspected adverse reactions

Reporting suspected adverse reactions after authorisation of the medicinal product is important. It allows continued monitoring of the benefit/risk balance of the medicinal product. Healthcare professionals are asked to report any suspected adverse reactions via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard.

 

4.9 Overdose

If accidentally ingested menthol is reported to cause severe abdominal pain, nausea, vomiting, vertigo, ataxia, drowsiness and coma. Treatment for accidental ingestion is by emptying the stomach by gastric lavage. A saline laxative and activated charcoal should be administered. Convulsions may be controlled by the slow intravenous administration of diazepam. Haemodialysis with a lipid dialysate has been employed.

 

5. Pharmacological properties

5.1 Pharmacodynamic properties

Applied to the skin, menthol dilates local blood vessels, causing a sensation of coldness, followed by an analgesic effect.

 

5.2 Pharmacokinetic properties

After absorption, menthol is excreted in the urine and bile as the glucuronide.

 

5.3 Preclinical safety data

No special information.

 

6. Pharmaceutical particulars

6.1 List of excipients

Macrogol 20000; Peppermint Oil.

 

6.2 Incompatibilities

None known.

 

6.3 Shelf life

36 months.

 

6.4 Special precautions for storage

Do not store above 25°C.

To be kept away from heat. (Melts at about 49-56°C).

 

6.5 Nature and contents of container

Plastic twist-up dispenser containing 3.6 g menthol, with plastic cover.

 

6.6 Special precautions for disposal and other handling

To be applied as directed. For single patient use only.

 

7. Marketing authorisation holder

Diomed Developments Limited

Tatmore Place, Gosmore

Hitchin, Herts SG4 7QR, UK

 

8. Marketing authorisation number

00173/0193.

 

9. Date of first authorisation/renewal of the authorisation

12 January 2009.

 

10. Date of revision of the text

May 2018.