Viagra may help with cold feet and hands.
D006801:Humans; D010879:Piperazines / Q000627:therapeutic use*; D011687:Purines; D011928:Raynaud Disease / Q000188:drug therapy*; D000068677:Sildenafil Citrate; D013450:Sulfones; D014665:Vasodilator Agents / Q000627:therapeutic use*
D010879:Piperazines; D011687:Purines; D013450:Sulfones; D014665:Vasodilator Agents; D000068677:Sildenafil Citrate