Described is an autoinjector (1) comprising a case (2) having a hole, a carrier adapted to hold a syringe (4) and slidably disposed in the case (2), a cover (8) telescopically coupled to the case (2) and translatable relative to the case (2) between a first position and a second position in which the cover (8) covers the hole, and a releasable locking mechanism adapted to lock the cover (8) in the second position.
