Please note that Shield Injection is only to be administered by a healthcare professional Selfadministration is strongly discouraged This injection is used when oral administration is not feasible Common side effects may include headaches dizziness muscle pain and joint pain Additionally some individuals may experience injection site reactions such as pain swelling or redness If any of these side effects persist for an extended period it is important to consult your doctor To detect the presence of malarial parasites blood tests may be conducted once a week for a duration of four weeks while undergoing treatment