Hello.
Apparently, your child has psychological trauma and anxiety due to a past situation. Before you go to the doctor, it is best to work out all the fears and relieve anxiety. This is perfectly helped by fairy tale therapy, sand therapy. It is good that you are reading a fairy tale about Aibolit, but here it is important to lose exactly that injury again.
Try to invent a fairy tale "Like a bunny hurt his own foot or tail." In the fairy tale you can describe everything that felt like a hare, how it hurt, but he was cured, and he recovered. Then play with her toys, let the child take part, speak for the hare, talk about feelings. Ask him: “And what did the hare feel? Was he scared?
Be sure to add to the fairy tale that the hare will soon go to the kindergarten, and he will have to go to the hospital again, but he is very afraid. Ask: “Why is the hare afraid? And what needs to be done to stop being afraid? ”There can be any hero or favorite toy. Usually, children themselves find solutions for getting rid of their fear.
Say that you will always be with him and be sure to help him if necessary. Before going to the clinic, tell in advance why you go there and what you will do there, these situations are also important to lose.
Over time, the child will forget about it, but you still have a crisis of 3 years. And he is accompanied by stubbornness, the words "I myself", hysterics. Try to switch attention at such moments and offer the child to make a decision first. You can read more about fears in the fairy tales of O. V Khukhlayeva, Tkach R. M, you can also read in my articles. about fairy tale therapy Online.
Consultation of a neurologist still does not hurt, while at home you can, it will help your child cope with the emotional load on the nervous system. Well, do not interfere with additional classes in the game room with a psychologist. All the best!