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MST Continus 100 mg prolonged-release tablets – Summary of Product Characteristics (SmPC) for healthcare professionals

Medicine status: Prescription only (POM) Controlled drug (Schedule 2) Details

Medicine strength:
100 mg
Other strengths and forms:
Contains active substance:
ATC code:
Similar medicines:

Summary of Product Characteristics (SmPC) - MST Continus 100 mg prolonged-release tablets

Sources: Original (products.mhra.gov.uk)

Facts about MST Continus 100 mg prolonged-release tablets

Prescription needed? Yes, prescription-only medicine (POM)
Controlled drug
Yes, Schedule 2 of the Misuse of Drugs Regulations?
  • Controlled drugs are medicines that UK law controls more strictly because they can be misused or cause dependence. The Misuse of Drugs Regulations 2001 divide them into 5 schedules: schedule 1 has the strictest rules, schedule 5 the lightest.
  • Schedule 2 is the strictest group of prescribed medicines, for example strong opioid painkillers and medicines for ADHD.
  • A prescription is valid for 28 days and usually covers up to 30 days of treatment. It cannot be issued as a repeat dispensing prescription.
  • When you collect it, the pharmacist must check whether you are the patient and may ask for ID.
  • Travelling abroad: you can usually carry up to 3 months' supply. Take your prescription or a letter from your doctor to show it is yours, and check the rules of the country you are going to (GOV.UK).
  • Never give it to anyone else.
Active substance Morphine
Strength 100 mg
Pharmaceutical form Modified-release tablet
How is it taken Oral
Pack sizes 60 tablet
Is it available? Listed as available (NHS Dictionary of Medicines and Devices – not a record of current supplies)
Drug group (ATC)
  1. N Nervous system drugs
    1. N02 Analgesics
      1. N02A Opioid analgesics
        1. N02AA Natural opium alkaloid analgesics
          1. N02AA01 morphine
Marketing authorisation PL 16950/0040
Codes GTIN 5012854039742 · BNF 04070200

Sources: the MHRA product information (products.mhra.gov.uk) and the NHS Dictionary of Medicines and Devices (dm+d), release 10.1.0 of 12 October 2026, NHS Business Services Authority. Contains public sector information licensed under the Open Government Licence v3.0.