Panact 150mg Injection should only be administered by a healthcare professional and should not be selfadministered Your doctor will determine the appropriate dosage and schedule based on the severity of your underlying condition The injection typically takes effect within one hour If you are also taking other medications containing paracetamol it is important to inform your doctor to avoid overdose If your pain or fever does not subside please consult your doctor Some patients may experience side effects such as vomiting difficulty sleeping and constipation If these side effects do not improve or persist for a longer period of time it is advisable to consult your doctor If you observe any rash or allergic reaction while taking this medicine please inform your doctor immediately Pregnant and nursing women should use this medication under medical supervision only It should be used with caution in patients with liver or kidney disease or those with a history of alcohol abuse It is not recommended for patients with severe or active liver disease