In this study we will prospectively analyze the benefit of inhaled furosemide for preterm and term neonates with transient Tachypnoea. Patients received nebulised Furosemide iv solution 1 mg/kg or nebulised 0,9% saline (4x/d) under blind conditions in random order so long as need a CPAP-treatment but max. 3 days. 20 Patient will be treating.