Rather than staying worried, recite Mani mantras [OM MANI PADME HUM] to purify past negative karma, then there’s no need to worry. Everything dies—everything grows and dies, comes and goes—so our main aim should be enlightenment. All other things are not important.
A Kadampa geshe said, “The suffering we are experiencing now is our past negative karma ripening, so we should be happy it is finishing.”
Take blessed water several times a day, thinking that it has purified our negative karma from past lives, and visualize very strongly these four things being purified: spirit harm, negative karma, sickness and obscurations.