Fall injury. Could someone help please?

I went for a ride which is quad jeep so I fell from that...my kid was sitting behind me and I don't know when I fell I was unconscious...after that I didn't remember anything...my husband took me to a doctor nearby and he has told that I was v scared and due to fear it happened ..and has given me medicines -antibiotic, painkiller and one for sleep at night...I kept on asking how it happened and how I fell ...I was crying ..I was feeling v low ...as I m fond of doing adventure activities and sports ...I was worried that I would not be able to do it again ...I don't know how that evening went ...I took medicines ...had dinner ...and slept .at 2:30 am I woke up started recovering and saw my pics of the journey and travel and started remembering everything and got fine the next day completely ...there is pain on right side of my body -scalp , thigh ,hands and legs...but still I didn't remember that accident ...how that happened...could someone help please