help to choose among Pulsa,Ars and Sulp

Dear sir,
as i checked my symptoms,
it comes about equal pulsatila, arsenic and sulpher.

i again tell u some symptoms pls help me to choose among one or two.

male 30, 5.5 Indian

skin extremely dry,palm and finger skin scratches when weather changes.twice or thrice in year.

thirst great this, tongue and throat always feel dry.

headache start as 11am till night,from sunlight,travel,mental excretion. relive after sleep.

Sleep: disturb,late,random thought not let me sleep easily.sleepy in the day.

timid,shy,not talk to strange person usually, happy in the company of friends n family.avoid social gathering. fear of being alone.
possessive when go to railway station to see off friend or family member,"
extra careful and oversensitive.

irritating while contradiction and arguments.

great nervousness sometime..loving and caring even about servant.

tea,coffee and cigarette don't let me sleep all nights.

itching on the bed before sleep, also feel biting or creep of insects on the skin.

constipation, no time of stool, usually occurs after reaching office and evening.twice

forgetful mind, forget name of relatives and the face of clients also.
take care of health,but dint get proper result.

urine pale, frequently,at night more frequently.

low sex drive and vitality.

single or twice loud belching with sound after dinner.

please tell me one or two remedies for long time.