The present invention relates to pharmaceutical compositions for administration to the respiratory tract, the gastrointestinal tract or the eyes. In particular, the invention relates to liquid formulations and dry powder compositions comprising carrageenan, and in particular iota and kappa carrageenan, and one or more therapeutic agents. These sprays, powders, and the gel that forms when they are administered to the respiratory tract, the gastrointestinal tract or the eyes, have now surprisingly been found to be a very effective way of prevention and treatment of type I allergies and intranasal administration of therapeutic agents.
