** Shares of drugmaker MannKind MNKD.O rise 8% to $5.89 premarket
** Co says U.S. FDA approved a new label for its inhaled insulin product, Afrezza, used at mealtime to control blood sugar in adults with diabetes
** Co says update gives doctors clearer steps on how to switch patients from injected insulin to the inhaled version
** MNKD's Afrezza is taken through a small inhaler at the start of meals, per co
** Studies cited by co show improved control of after‑meal blood sugar spikes - MNKD
** Co says Afrezza should not be used by people with asthma, COPD or smokers due to breathing-related risks
** Most common side effects include low blood sugar, cough and throat irritation, co says
** Shares down ~12% in 2025
(Reporting by Sahil Pandey in Bengaluru)
((Sahil.Pandey@thomsonreuters.com))