The invention relates to a medicament container (2), comprising a bag (3) with an outlet (4), the bag (3) compressible by a compression means (6), the bag (3) having an inner surface arranged to stick when subjected to the compression means (6). The invention also refers to an arrangement (1) for administering a liquid medicament (M) comprising the medicament container (2) and a compression means (6) for locally compressing the bag (3).
