Hairloss , thinning & doctor said prp.

Sir I have been facing excessive hair fall snce may. In june I hv cnsultd dermatologist, he medicated this Livogen -z ,Fluence hair fact nutrition kit ,Oncium 60k once a week per 2 months .With in 15 days my hair fall controlled and I was continued same medicine  and my hair fall controlled completely within 2 mnths. But from the third month she didn't gave oncium 60k . But from middle of the 3rd month my hair started falling again as previous. Then doctor did blood tests ( photos are attached). She said everything k continue the same medicine.I have used for 6 months but nothing controlled now my hair became sooo thin.. I met another doctor she observed my hair and said go for prp treatment Sir 🙏🙏.. Plzzz help me My age 23  . My parents prepared to start matchings but in this age this excessive hair fall making me mentally down. Plz suggest me Does prp really work..? Does prp improve my density or not..? How many months it take to show result