Consumers are being warned to check packs of Nurofen Plus after it emerged that thousands could mistakenly contain antipsychotic drugs.The Medicines and Healthcare products Regulatory Agency (MHRA) has issued a safety alert following reports that some batches contained Seroquel XL 50mg instead of Nurofen Plus.The affected 32-tablet packs are in batches numbered 13JJ, 57JJ and 49JJ.People with affected packets should return them to their pharmacy.