The government has asked pharmaceutical companies to hold six weeks' worth of medication to prepare for the end of the Brexit transition period.
In a letter to medical suppliers, the Ministry of Health and Social Affairs said that the transition period after December 31 could not be extended.
The DHSC admitted that global supply chains were under pressure due to the coronavirus crisis.
However, reserve stocks would provide a buffer against disruptions.
"To build on previous work and ensure a coordinated approach, we will ask suppliers to confirm their contingency plans for the end of the (transition period)," the department wrote.
The government has called for continued uncertainty about what Britain's relationship with the EU will look like after the transition period.
After informal talks in London, EU chief negotiator Michel Barnier said last month “Significant differences” remained between the EU and Great Britain on a trade agreement after Brexit.
The United Kingdom has ruled out an extension of the December 31 deadline to reach an agreement.
The government urged medical companies to avoid sending short-distance shipments across the channel, such as from Dover and Folkestone to Calais and Dunkirk.
The letter also noted that regardless of whether the UK and the EU reach an agreement, the government plans to introduce new border controls in three steps, which will be completed in July next year.
The pharmaceutical industry warned the government of this in June Some stocks of medical supplies were "completely used up". through corona virus.
Pharmaceutical manufacturers fear that inventories cannot be rebuilt in time if the UK does not conclude an agreement with the EU.
The pharmaceutical industry pointed out that due to the common pandemic challenge and in the event of a no deal Brexit deal, the government would have to buy and store a longer and much wider list of medicines later this year.
Drug manufacturers also urged the government to ensure that alternative supply routes are established so that goods can continue to flow across borders.