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Methenamine

Also known as: hexamine

Schedule 1 to 4, conditions apply
Loading the molecular structure
C6H12N4140.19 g/mol

1,3,5,7-Tetrazatricyclo[3.3.1.13,7]decane

Drag to rotate. Structure from PubChem CID 4101.

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Listing

Schedules
Schedule 1 to 4, conditions apply
Source
Consolidated Schedules 06 July 2026

Registered medicines

Counted through the register's ingredient index, which does not reach every record.

1 more registered product name Methenamine in their active ingredient

Registered products
NameBrandsDosagesApplicantsRegistrationsSchedule
Methenamine mandelate CancelledMandelamineNot statedPharmacare limited û woodmeadH1727

Regulatory status

Where S1 to S4 sits on the scale

Depends on which listing applies

At the least restrictive, Schedule 1: sold by a pharmacist, no doctor's prescription needed. At the most restrictive, Schedule 4: prescription-only medicine. The listings below say which applies to which form, strength or pack size.

Schedule S1 to S4, as the Consolidated Schedules list it.

Who may supply: A pharmacist dispensing against a written or verbal prescription from an authorised prescriber; a veterinarian, who may also prescribe, compound or dispense it directly; a medical practitioner or dentist, who may prescribe it and may compound or dispense it directly only if licensed under section 22C(1)(a); manufacturers and wholesalers may supply people who may lawfully possess it; and, for animal treatment, a person practising a para-veterinary profession, on a veterinarian's written or verbal instruction.

Consolidated Schedules listings for Methenamine

  • S4: Methenamine (hexamine)

    • except when intended for application to the skin.

    Consolidated Schedules 06 July 2026, line 7088

  • S1: Methenamine (hexamine)

    • when intended for application to the skin.

    Consolidated Schedules 06 July 2026, line 831

This is an informational summary of the Medicines and Related Substances Act 101 of 1965 and its 2017 General Regulations. It is not medical advice and not legal advice. Always check the medicine's label, which carries the schedule number inside a square border, or ask a pharmacist if you are unsure.

Research articles

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