Suggest Treatment For Erectile Dysfunction

my hands and legs there is numbness sensation, sometimes it shivers i do not know why i had the habit of chewing tobacco, i had taken finastride four months back even my sexual desire is dimnishing day by day, i am facing a ereyctile dysfuncation , the sperm count is adequate i feel , i have done my cbc , thyroid test the reports are sowing normal , what sould i do , last but not the recently i have been facing lumbar spondilyties