Fiasp 100IUml Penfill is typically prescribed in conjunction with a longacting insulin or other diabetes medications Your doctor or nurse will provide guidance on the proper method of injecting it under the skin It should be taken 15 minutes before a meal or within 20 minutes after starting a meal It is important to regularly monitor your blood sugar levels keep track of the results and share them with your doctor This information is vital in determining the appropriate dosage of the medication for you If you experience low blood sugar levels hypoglycemia do not use this medication Inform your doctor if you have a history of kidney liver or heart problems before starting treatment Pregnant or breastfeeding women should consult with their doctor as the dosage may need to be adjusted Do not discontinue use unless instructed by your doctor Fiasp is only one part of a comprehensive treatment program that should also include a healthy diet regular exercise and weight reduction as advised by your doctor The most common side effect of this medication is low blood sugar levels hypoglycemia To prevent this it is crucial to accurately administer the prescribed dosage maintain regular meal times and regularly monitor blood sugar levels Excessive alcohol consumption can also cause a drop in blood sugar levels Other possible side effects include localized allergic reactions at the injection site such as redness swelling or hard lumps lipodystrophy Some individuals may experience weight gain while taking insulin