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Ethylene Glycol in Cough Syrups

Context:

The Health Ministry of Uzbekistan has reported the death of 18 children (with acute respiratory disease) from taking excessive doses of a cough syrup – Doc-1 Max manufactured by an Indian firm.

Relevance:

GS II: Health

Dimensions of the Article:

  1. Details
  2. Why are the syrups not sold in India?
  3. What are the Related Regulations in India?

Details:

  • The cough syrups contained ethylene glycol, a substance that ought not to be present in cough syrup.
  • Earlier, Gambia also reported “unacceptable levels” of diethylene glycol (DEG) and ethylene glycol (EG) in India manufactured cough syrups.

Diethylene glycol and ethylene glycol:

  • Both are chemical contaminants that may be present in the solvent that is used in the syrups.
  • It is toxic to humans, and can result in abdominal pain, vomiting, diarrhoea, inability to pass urine, headache, and altered mental state.
  • It can also lead to acute kidney injury that may be fatal in children.
  • In 2020, 17 children died in Jammu and Kashmir after consuming a syrup with high levels of diethylene glycol.

Why are the syrups not sold in India?

  • A drug regulatory expert who was part of the investigation into the 2020 J&K deaths said India has phased out syrups in favour of suspensions.
  • In syrup, the active pharmaceutical ingredient (API) is completely mixed in the solvent — imagine a sugar solution.
  • In a suspension, on the other hand, API particles are suspended uniformly in a solvent — imagine cooked dal.
    • That is why it says on labels on the bottles, ‘shake well before use’, otherwise the API will settle at the bottom.
  • APIs such as paracetamol and others contained in the four syrups are not water-soluble, and hence need a base solvent like propylene glycol. “Propylene glycol is available in two varieties — one type is meant for industrial use, the other for pharmaceutical use.
  • To save on costs, some companies use the industrial propylene glycol that may contain diethylene glycol and ethylene glycol as contaminants.
  • Suspensions do not need propylene glycol as the active ingredient does not have to be dissolved. They use a liquid base called carboxymethylcellulose (CMC), with no risk of containing the two contaminants.

What are the Related Regulations in India?

The Drugs and Cosmetics Act:
  • The Drugs and Cosmetics Act, 1940 and Rules 1945 have entrusted various responsibilities to central and state regulators for regulation of drugs and cosmetics.
  • It provides the regulatory guidelines for issuing licenses to manufacture Ayurvedic, Siddha, Unani medicines.
  • It is mandatory for the manufacturers to adhere to the prescribed requirements for licensing of manufacturing units & medicines including proof of safety & effectiveness, compliance with the Good Manufacturing Practices (GMP).
Central Drugs Standard Control Organisation(CDSCO):
  • Prescribes standards and measures for ensuring the safety, efficacy and quality of drugs, cosmetics, diagnostics and devices in the country.
  • Regulates the market authorization of new drugs and clinical trials standards.
  • Supervises drug imports and approves licences to manufacture the above-mentioned products.
  • CDSCO regulates export of drugs in India, any manufacturer with the certification from CDSCO can export drugs outside India.
Drugs Controller General of India:
  • Drugs Controller General of India is a department of the Central Drugs Standard Control Organization of the Government of India responsible for approval of licenses of specified categories of drugs such as blood and blood products, IV fluids, vaccines, and sera in India. 
  • It comes under the Ministry of Health & Family Welfare.
  • It also sets standards for manufacturing, sales, import, and distribution of drugs in India.
  • It lays down the standard and quality of manufacturing, selling, import and distribution of drugs in India.

-Source: Indian Express


February 2023
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