I have been experiencing hair loss for the past three years. What are the available options for me?

Thanks for submitting your photos. Based on them your corners (temples and hairline) needs a treatment. You can try to use some medications like Propecia,Saw Palmetto,Biotin etc. If you start with one of them so a permanent use of 1 year will give you a result but lost grafts will not come back. Another options will be PRP injections and Low Level Laser Therapy.The last option will be a hair transplantation.