After snorting meth, what could be causing swollen hands and feet, nails a bluish color, some pain in some swollen areas, but not swollen all the time? Has been happening for about thirty hours now. Started swelling anywhere from 8 to 14 hours after first line, stays swollen thirty minutes to hour then goes normal then will start swelling again an hour to three hours later... Then repeat above. Occasional pain in arms, legs, and knees.