it really depends on the strength of either. there is some very strong black magic and very strong nazar. both can be nasty. nazar symptoms can include but are not limited to: heart palpitations, yellow pallor in skin, sweating, feeling cold, darkness in the skin, restlessness, trouble sleeping, physical sickness, mental sickness, etc. best way to find out is to contact a sheikh who can do istikhara for you and find out for sure.