PREXX 100 MG INJECTION is administered as an injection by a qualified medical professional The dosage and frequency of administration will be determined by your doctor depending on the condition being treated It is crucial to follow your doctors instructions precisely as taking it incorrectly or in excess can result in severe side effects It may take several weeks or months for the medication to produce noticeable benefits so do not discontinue its use unless instructed by your doctor Common side effects of this medicine include nausea vomiting loss of appetite and hair loss It may also lead to a reduction in blood cell count including red and white blood cells which can increase the risk of infections Regular blood tests are necessary to monitor blood cell levels as well as heart liver and blood uric acid levels Inform your doctor before taking this medicine if you have heart disease liver or kidney problems or if you are currently taking any medications for infections This medicine may interact with various other medicines so it is important to disclose all medications you are using to your doctor The use of this medicine is not recommended during pregnancy or while breastfeeding It is essential to use effective contraception methods for both males and females during treatment to prevent pregnancy