 [ Symptoms ] hello i want to reassure myself about my baby girl is head size at 1st month it was 36 cm 2nd month  38 cm 3d month  39 cm now at 4th month the head circumference is 41 cm is there anything disturbing because between 2nd an 3d month the growth is only one cm thanks in advance [ Disease ] if overdose is suspected contact your local poison control center or emergency room immediately us residents can call the us national poison hotline at 1 800 222 1222 canada residents can call a provincial poison control center symptoms of overdose may include very fast heartbeat vision changes unexplained heavy sweating agitation fainting seizures