The invention relates to a portable apparatus for regulating the temperature of medicaments in solid or liquid form. A temperature-regulating apparatus according to the invention comprises a housing with at least one accommodating chamber, with at least one temperature-regulating device for regulating the temperature of the accommodating chamber, in particular a thermoelectric temperature-regulating device, with at least one inputting means capable of registering an insertion of a medicament container into the accommodating chamber or an immediately imminent insertion, and of controlling the temperature-regulation of the accommodating chamber depending thereon.