Separation anxiety is a normal developmental milestone, not a problem to fix. It emerges when infants develop object permanence — the understanding that people and things continue to exist when out of sight — and typically peaks between 10 months and 2 years.
The fact that your child cries when you leave is evidence of healthy attachment, not of anything wrong with you, your child, or your childcare arrangement. Children who are securely attached to their parents often show more protest at separation — because they have more to lose.
Prolonged, uncertain goodbyes make separation harder, not easier. Research consistently shows that a confident, warm, brief goodbye followed by a consistent follow-through is easier for children than extended reassurance or multiple returns.
Develop a predictable goodbye ritual: a specific hug, a special phrase, a wave from the door. The ritual gives the child something to hold onto and makes the transition feel less arbitrary. Then leave — don't linger, don't peek back if the child is watching.
For daycare drop-offs specifically, reassure the child that you will come back, name the time using anchors they understand ('I'll be here after your nap'), and trust the caregiver to report how quickly the child settles after you leave. Most children settle within minutes.
Separation anxiety typically eases substantially by age 3 as children develop a stronger internal sense of their caregiver's continued existence. In the meantime, consistency, predictability, and confident farewell rituals are your most effective tools.