Viagra for severe Raynaud's
Some experts are now using Viagra for severe Raynaud's.
These blood vessel spasms cause cold blue fingers and toes. In severe cases, ulcers can develop on fingertips or toes.
Nifedipine or another dihydropyridine calcium channel blocker is usually tried first to improve blood flow. These can decrease the number of attacks by about half and severity by a third.