Lithium necessary ?

Hi there im new here just wanting advice if i should lose anymore of myself to more medications such as anti deps anti psychotics etc, im 24 and been having mental health problems for past couple years the docs originally thought i was just depressed and trialed several different meds over past 2-4 years ... since coming off seroquel doxipin,citelopram and last but not least loxamine! (sorry if i spell wrong but its been a while since Ive even looked at one)

Im a totally different person... i haven't felt like myself in years and are completely confused and don't know what to do with my life anymore ... im extremely anti social ive basically lost all my friends almost lost my partner through rough experiences but wont get into that.

my doctor suggested lithium ?? im going to see the specialist soon well the shrink or w/e.... kinda paranoid ... has anyone been in the same boat ?? what should i do... is it better to be on pills for the rest of my life or just try handle it?? i think im coping ok i just put my head down and work generally... usually avoid talking to ppl as much as possible and have alot of "breaks" to try build up confidence/self esteem.

i think the pills have part in causing this in the first place like the onset of it.. as ive now got several physical health issues... considering i lived on a farm for 18years and have always been fit as now struggling to run a mile...i duno.....i have to go anyway and cant finish my post! but any comments would be cool... i could go on forever as i havent really spoken to anyone about it except my doctor and partner who was the one who suggested i had bipolar.