A kit for performing nasal irrigation by spraying or dropping a fluid into a nostril, comprising: - a squeezable and deformable container (10/110) shaped like a bottle; - a cap (20/120) attached to the container (10/110); - a first means of communication (30/130) which permits a flow of liquid from the inside of the container (10/110) towards the outside of the container (10/110) and where the first means of communication (30/130) comprises a first duct (31/131) made in the cap (20/120) and where the first duct (31/121) has a first fluid infeed end section (32/132) and a second fluid outfeed end section (33/133); - a second means of communication (40/140) which only permits the flow of air from the outside of the container (10/110) towards the inside of the container (10/110); - a first draft tube (50/150) with a fluid outfeed end section (51/151) which can be removably attached to the first fluid infeed end section (32/132) of the first means of communication (30/130); - a dispenser (60/160) comprising a third means of communication (61/161) with a duct shape and having a third fluid infeed end section (62/162) and a fourth fluid outfeed end section (63/163); characterised in that said kit also comprises: - a flexible connecting tube (70/170) with a first fluid infeed end section (71/171) and a second fluid outfeed end section (72/172) where the first fluid infeed section (71/171) of the connecting tube (70/170) can be removably attached to the second fluid outfeed end section (33/133) of the first means of communication (30/130), and where the second fluid outfeed end section (72/172) of the connecting tube (70/170) is attached to the first fluid infeed end section (62/162) of the third means of communication (61/161). - a squeezable and deformable container (10/110) shaped like a bottle; - a cap (20/120) attached to the container (10/110); - a first means of communication (30/130) which permits a flow of liquid from the inside of the container (10/110) towards the outside of the container (10/110) and where the first means of communication (30/130) comprises a first duct (31/131) made in the cap (20/120) and where the first duct (31/121) has a first fluid infeed end section (32/132) and a second fluid outfeed end section (33/133); - a second means of communication (40/140) which only permits the flow of air from the outside of the container (10/110) towards the inside of the container (10/110); - a first draft tube (50/150) with a fluid outfeed end section (51/151) which can be removably attached to the first fluid infeed end section (32/132) of the first means of communication (30/130); - a dispenser (60/160) comprising a third means of communication (61/161) with a duct shape and having a third fluid infeed end section (62/162) and a fourth fluid outfeed end section (63/163); - a flexible connecting tube (70/170) with a first fluid infeed end section (71/171) and a second fluid outfeed end section (72/172) where the first fluid infeed section (71/171) of the connecting tube (70/170) can be removably attached to the second fluid outfeed end section (33/133) of the first means of communication (30/130), and where the second fluid outfeed end section (72/172) of the connecting tube (70/170) is attached to the first fluid infeed end section (62/162) of the third means of communication (61/161).