I have secondary Raynauds with Scleroderma which is in remission.  I have the Raynauds on the bottom of feet--more on the left side--and have been having muscle cramps in th feet especially early morning while in bed.  I am not on any medication.  I just had a heart ablation and discontinued taking Diltizam.  I had taken atenolol for the irregular heart beat but when diagnosed with Sclerodema, started on the Diltizam.  Is there anything I can take to increase the blood flow to my feet and help with the muscle cramps.  I have tried Gatorade, tonic water, D3, magnesium. My sister has been diagnosed with vasculitic neuropathy and is paralyzed in both hands and feet.  I don't want to go there.