Most likely the prescribed drug was Furosemide.
Furosemide is a loop diuretic medication which is used to treat fluid build- up due to heart failure, kidney disease, liver scarring and sometimes high blood pressure also.
It can be injected into a vein or can be taken orally also. It may have some side effects like increased urination, thirst, cramps, itching, weakness, dizziness, etc.
To learn more about cramps,
https://brainly.com/question/11873664
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