Hydrea (hydroxyurea) is a locked prescription medication taken orally. It works by inhibiting DNA synthesis via ribonucleotide reductase blockade, slowing the proliferation of blood and cancer cells. Hydrea is an FDA-approved generic and essential medicine used widely since 1967.<\/p>\n
Chronic Myelogenous Leukemia (CML)<\/strong>: Hydrea helps reduce leukemic cell counts .<\/p>\n<\/li>\n Sickle Cell Disease (SCD)<\/strong>: Boosts fetal hemoglobin production, reducing painful vaso\u2011occlusive crises and transfusion needs in children and adults.<\/p>\n<\/li>\n Head & Neck Cancer<\/strong>: Often combined with radiation for squamous cell carcinomas.<\/p>\n<\/li>\n Other Myeloproliferative Disorders<\/strong>: Used in essential thrombocythemia, polycythemia vera, and occasionally psoriasis (Wikipedia<\/a>).<\/p>\n<\/li>\n Melanoma research<\/strong>: Emerging data suggests potential in certain melanomas via miRNA modulation .<\/p>\n<\/li>\n<\/ul>\n Hydrea inhibits ribonucleotide reductase, arresting cell cycle in G1\/S phase and enhancing radiosensitivity. In SCD, it elevates fetal hemoglobin (HbF) to reduce sickling.<\/p>\n Starting dose for adults with normal renal function<\/strong>: approx. 15\u202fmg\/kg once daily.<\/p>\n<\/li>\n Renal impairment (CrCl <60\u202fmL\/min)<\/strong>: dose reduced by 50% (\u2248 7.5\u202fmg\/kg).<\/p>\n<\/li>\n Pediatric care<\/strong>: Customized to body weight; tablets\/capsules taken whole, with\/without food .<\/p>\n<\/li>\n<\/ul>\n Explore more: Natrol Acidophilus Probiotic 1 Billion (150 ct) \u2013 Digestive & Immune Support Supplement<\/span><\/a><\/strong><\/p>\n Bone marrow suppression<\/strong>: Frequent CBCs before and during treatment to monitor WBCs, platelets, RBCs.<\/p>\n<\/li>\n Infection risk<\/strong>: Watch for fevers, chills, sore throat .<\/p>\n<\/li>\n Secondary malignancies<\/strong>: Rare skin cancer or leukemia risk with long-term use .<\/p>\n<\/li>\n Pregnancy & fertility<\/strong>: Teratogenic; contraception recommended for 6 months post\u2011therapy in both genders.<\/p>\n<\/li>\n Vaccinations<\/strong>: Avoid live vaccines while on therapy .<\/p>\n<\/li>\n Sun protection<\/strong>: Use sunscreen; avoid excessive sun exposure.<\/p>\n<\/li>\n<\/ul>\n If serious symptoms appear, stop Hydrea and seek medical attention immediately.<\/p>\n3. Mechanism of Action<\/h3>\n
4. Dosage & Administration<\/h3>\n
\n
5. Monitoring & Safety Precautions<\/h3>\n
\n
6. Common & Serious Side Effects<\/h3>\n
\n\n
\n Side Effect Type<\/strong><\/th>\n Examples<\/strong><\/th>\n<\/tr>\n<\/thead>\n\n \n Common<\/strong><\/td>\n Low blood counts, nausea, loss of appetite, headache, constipation, mouth sores<\/td>\n<\/tr>\n \n Serious<\/strong><\/td>\n Fever\/infections, bleeding\/bruising, black\/tarry stools, dyspnea, skin ulcers or gangrene<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n