Abstract: A disposable inhaler for administering medicament by inhalation having an inhalation channel through which a user may inhale, a container for containing a dose of medicament, at least one subsidiary container for containing a subsidiary dose of medicament and respective release means for selectively opening one or both of said container and said subsidiary container such that one or both of said dose and said subsidiary dose may be released into said inhalation channel at the same time so as to provide a variable dose and methods of providing a variable quantity of substance in a channel comprising opening a first container containing the substance and selectively opening a second container containing the substance.

Abstract: The present invention is directed to a sachet for a pharmaceutical composition, comprising the layers: paper; bonding layer; barrier layer; and sealing layer.

Abstract: A dry powder inhaler for use with a blister pack is disclosed. The inhaler has a dosing mechanism that releases powder from a variable number of blisters in the blister pack into an inhalation channel, such that the actual dose administered by the inhaler can be varied with each use of the inhaler.

Abstract: A face mask is provided which is adapted to be mounted an inhalation device, e.g., an inhaler or spacer, having a body. The mask includes an annular adaptor part which is to be connected to one end of the body, and a funnel-shaped face engaging portion having a narrow end that is joined to one end of the adaptor part. The wide end of the face engaging portion has a free edge that is adapted to engage the face of an infant around the infant's mouth and at least a part of the infant's nose, and is resilient so that it is adaptable to the shape of the infant's face. The free edge of the wide end of the face engaging part is provided substantially entirely in a plane which forms an angle of about 10.degree.-25.degree. with a plane perpendicular to the extended longitudinal axis of the adaptor part.