A 100 mg/mL oral solution may be prepared with capsules. Mix the contents of twenty 500 mg capsules with enough room temperature sterile water (~50 mL) to initially result in a 200 mg/mL concentration. Stir vigorously using a magnetic stirrer for several hours, then filter to remove insoluble contents. Add 50 mL Syrpalta (flavored syrup without color, HUMCO) to filtered solution, resulting in 100 mL of a 100 mg/mL hydroxyurea solution. Stable for 1 month at room temperature in amber plastic bottle (Heeney 2004).
If manufactured oral liquid is on backorder:
A 100 mg/mL oral solution may be prepared with capsules. Mix the contents of twenty 500 mg capsules with enough room temperature sterile water (~50 mL) to initially result in a 200 mg/mL concentration. Stir vigorously using a magnetic stirrer for several hours, then filter to remove insoluble contents. Add 50 mL Syrpalta (flavored syrup without color, HUMCO) to filtered solution, resulting in 100 mL of a 100 mg/mL hydroxyurea solution. Stable for 1 month at room temperature in amber plastic bottle (Heeney 2004).