A liquid pharmaceutical formulation comprising nicotine in any form for administration essentially to the lungs being acidified and/or alkalized by buffering and/or pH regulation providing for a tmax of nicotine in arterial blood of a subject within a short period of time after administration.The administration is preferably by spraying an aerosol into the oral cavity for further distribution essentially into the lungs. A method for manufacturing said formulation. Use of said formulation in therapy, such as therapy for treating addiction to tobacco.