Yes. If your boyfriend or girlfriend is living with you, you will be able to add them as an adult dependant to your medical aid – just as you would if they were your spouse. Adding your boyfriend or girlfriend onto your medical aid will mean costs savings, because they’ll receive the same cover as you (as the main member) but at lower dependant rates.
Be aware that if you’re adding your boyfriend or girlfriend as an adult dependant, there’s usually a waiting period of about three months before they’re covered, and even longer if they have a pre-existing condition. Once this waiting period is over, as an adult dependant they will then have the same level of cover as the main member, and will have access to the same risk benefits.