Hives that are caused by an allergic reaction can sometimes be an early sign that your baby is about to have a severe allergic reaction, called anaphylaxis. Symptoms can come on very quickly and can be fatal.
1 Antidepressants can Cause Suicidal Thoughts and/or Behavior in Children. 2  What to do if Your Child is Anxious or Depressed. 3  Antidepressants Approved for Children. 4  Getting Your Child Started on Antidepressants. 5  Signs of Suicidal Thoughts in Children. 6  The Bottom Line on Kids and Antidepressants.
Side effects in children taking Zoloft are generally similar to those seen in adults taking the medication. However, some common side effects of Zoloft that appear to occur more often in children include: 1  Fever.2  Hyperactivity. 3  Urinary incontinence (loss of bladder control).4  Aggressiveness.5  Sinus infection or inflammation. 6  Bloody nose. 7  Red or purple discolorations on the skin (purpura).owever, some common side effects of Zoloft that appear to occur more often in children include: 1  Fever. 2  Hyperactivity. 3  Urinary incontinence (loss of bladder control). 4  Aggressiveness. 5  Sinus infection or inflammation. 6  Bloody nose. 7  Red or purple discolorations on the skin (purpura).