Gastor Injection 20 Milligrams (Famotidine)

Adult dosage

For typical adults, this medication (20 mg/10 mL injection) should be diluted with normal saline or dextrose injection to a total volume of 20 mL (20 mg/20 mL solution) and administered slowly by intravenous injection twice a day (every 12 hours) or infused into an intravenous solution. - Upper gastrointestinal bleeding and Zollinger-Ellison syndrome: Generally, efficacy is observed within one week, and once oral administration becomes possible, it should be switched to oral administration. - Upper

This medication should not be used in patients who are hypersensitive to its components. Patients with impaired renal function should use this medication with caution, as their blood concentration may increase; therefore, the dosage may need to be reduced or the dosing interval increased. Caution is required in patients with heart disease due to the risk of cardiovascular side effects. Patients with liver dysfunction may also experience exacerbation of symptoms; hence, careful administration is necessary. Elderly patients are likely to have decreased renal function, making dose adjustments necessary due to the potential increase in drug concentration. This medication can rarely cause serious allergic reactions, blood disorders, skin conditions, liver dysfunction, muscle damage, cardiac arrhythmia, and renal impairment, so the administration should be stopped immediately if any abnormal symptoms occur, and health care professionals should be consulted. Common side effects can include dyspepsia, rash, changes in blood values, and neurological symptoms; therefore, attention should be given if symptoms arise. It is only to be used in specific situations, such as prevention of postoperative stress-induced gastrointestinal bleeding, and the treatment duration and dosage must be strictly adhered to. There may be interactions with other drugs, so if any other medications are being taken, it is essential to inform healthcare professionals. Women who are pregnant or may become pregnant should carefully consider the necessity of this medication, and breastfeeding should be discontinued during use. Safety in pediatric patients has not been sufficiently established, so this medication should be used cautiously in children. When using an ampoule, it should be cleaned to avoid contamination by glass fragments. This medication may mask the symptoms of gastric cancer, so it should be confirmed that gastric cancer is not present before administration.

Serious side effects

Shock, hypersensitivity (anaphylaxis, difficulty breathing, generalized flushing, angioedema, hives), pancytopenia, agranulocytosis, aplastic anemia, hemolytic anemia, Stevens-Johnson syndrome, Lyell's syndrome, liver dysfunction, jaundice, rhabdomyolysis, QT interval prolongation, ventricular tachycardia, ventricular fibrillation, altered consciousness, seizures, interstitial nephritis, acute renal failure, failure contraction.

Mild side effects

• Rash
• hives
• facial swelling
• leukopenia
• thrombocytopenia
• eosinophilia
• constipation
• diarrhea
• dry mouth
• nausea

This medication should be stored in a sealed container to protect it from exposure to air, ideally at room temperature between 1 and 30 degrees Celsius. This storage method ensures that the drug's effectiveness is well maintained and prevents deterioration.

Appearance

A colorless to pale yellow transparent liquid in a colorless and transparent vial.

Package unit

10 vials/box [10 milliliters/vial × 10]