Oxcq 400 Tablet contains Hydroxychloroquine 400 mg, an antimalarial and immunomodulatory agent commonly used in the treatment of malaria, rheumatoid arthritis, and systemic lupus erythematosus. Hydroxychloroquine acts by interfering with lysosomal activity and autophagy, modulating the immune response and reducing inflammation. It is effective in preventing and treating acute attacks of malaria caused by Plasmodium species and is also employed as a disease-modifying agent in autoimmune disorders to alleviate symptoms and prevent disease progression. Oxcq 400 is administered orally and should be taken as prescribed by a healthcare professional, with dosage tailored to the specific condition being treated. Common side effects may include gastrointestinal discomfort, headache, dizziness, and skin rash; serious adverse effects such as retinopathy are rare but necessitate regular ophthalmologic monitoring during prolonged therapy. Caution is advised in patients with pre-existing retinal disease, hepatic or renal impairment, and those with a history of hypersensitivity to hydroxychloroquine or related compounds. Oxcq 400 Tablet should not be used in combination with drugs known to prolong the QT interval without appropriate cardiac monitoring. Proper adherence to prescribed dosing and regular follow-up are essential to maximize therapeutic benefits and minimize risks.