Hi. My husband is 59 years old. Outside a heart attack about 10 years ago, he s very healthy. About 2 months ago, while abroad, he passed a kidney stone. Since then, he s had a few more kidney stones pass (we assume he passed more from the pain level). In the past 2 weeks, hes been on and off feeling nauseated, tired and light headed from time to time. He complains of being freezing but will wake up soaking wet.