Antifol 500mg Injection is administered through an injection by a qualified medical professional The dosage and frequency of administration will be determined by your doctor based on your specific treatment needs It is important to follow your doctors instructions exactly as directed Taking the medication improperly or in excessive amounts can lead to serious side effects It may take several weeks or months before you notice any benefits from the medication so it is important to continue taking it as prescribed unless otherwise instructed by your doctor Common side effects of this medication include nausea vomiting loss of appetite and hair loss Antifol 500mg Injection may also lower the number of blood cells in your body including red and white blood cells which can increase your susceptibility to infections Regular blood tests will be necessary to monitor your blood cell levels as well as your heart liver and blood uric acid levels Before taking Antifol 500mg Injection inform your doctor if you have any heart disease liver or kidney problems or if you are taking any other medications for infections It is important to disclose all medications you are currently using since there may be potential interactions with this medication This medication is not recommended for use during pregnancy or while breastfeeding It is crucial to use effective contraception methods for both males and females during the course of treatment to avoid pregnancy