UK government is in discussions with pharmaceutical firms to assess potential impact of US tariffs on exports.Negotiations are underway to secure exemptions for British drugmakers from tariffs through a trade deal with the US.Industry lobbying intensifies against potential tariffs as they fear disruptions to supply chains and higher costs.European pharmaceutical companies also seek assistance from EU to counter US tariffs and maintain operations.Concerns arise over the possible shift of pharmaceutical industry from Europe to the US if tariffs are imposed.Lib Dems call for an emergency taskforce to ensure security of medicines supply amidst tariff threats.Government downplays fears of shortages due to tariffs, while critics warn of disruptions to supply chain.Growing worries over potential impacts of tariffs on complex pharmaceutical supply chains and costs.Calls for government to strengthen and protect pharmaceutical supply chains to safeguard patients and economy.Opportunities and challenges emerge for UK's life sciences sector amid discussions on tariffs and trade deals.