Famotidine 20 mg Tablet

Adult dose

1. Gastric/duodenal ulcer, anastomotic ulcer, upper gastrointestinal bleeding: Administer famotidine at 20 mg per dose, twice daily (after breakfast and after dinner or at bedtime) orally, or 40 mg once daily (at bedtime) orally. For upper gastrointestinal bleeding, treatment usually starts with injectable medication and switches to oral once it becomes possible. 2. Acute gastritis and acute exacerbation of chronic gastritis: Famotidine at 1 dose

This medication should not be used in patients with allergies to specific ingredients or H2 receptor antagonists. Additionally, patients with genetically determined lactose intolerance or related enzyme deficiencies should not take this medication. Patients with a history of allergic reactions to medications should use this medication with caution. Patients with impaired kidney function may require dosage adjustments or extended intervals between doses due to increased drug concentration. Patients with cardiovascular diseases should be cautious due to the risk of cardiovascular side effects. Patients with liver function issues should also be careful as symptoms may worsen. Elderly patients are more likely to have impaired kidney function and should use this medication cautiously. Rarely, this medication may cause serious allergic reactions, blood disorders, skin diseases, liver dysfunction, muscle damage, cardiac arrhythmias, neurological abnormalities, nephritis, pneumonia, and other side effects. If any of these symptoms occur, discontinue the medication immediately and seek medical attention. During treatment, it is important to carefully observe the patient's condition and administer the minimum effective dosage. This medication dissolves in the mouth but is not absorbed through the mucosa; therefore, it must be swallowed with water. Renal dialysis patients should be cautious as co-administration with other medications may reduce effectiveness. Concomitant use with certain antifungals or specific anticancer drugs may reduce the effectiveness of this medication or other drugs, so consultation with a healthcare professional is recommended before use. Women who are pregnant or may become pregnant should carefully consider the benefits and risks of taking this medication, while breastfeeding mothers are advised to discontinue breastfeeding as the drug may be transmitted through breast milk. The safety of this medication has not been adequately established for children, so its use should be avoided. Lastly, this medication may obscure symptoms of stomach cancer, so it is advised to confirm that the condition is non-malignant before use.

Serious side effects

Shock, hypersensitivity (anaphylaxis, breathing difficulties, generalized flushing, angioedema, urticaria), thrombocytopenia, aplastic anemia, agranulocytosis, hemolytic anemia, Stevens-Johnson syndrome, Lyell's syndrome, liver dysfunction, jaundice, rhabdomyolysis, QT prolongation, ventricular tachycardia, ventricular fibrillation, altered consciousness, seizures, interstitial nephritis, acute renal failure, interstitial pneumonia, heart failure

Mild side effects

• Constipation
• diarrhea
• dry mouth
• nausea
• vomiting
• abdominal bloating
• loss of appetite
• stomatitis
• rash
• urticaria (erythema)

This medication should be stored in a tightly sealed container to prevent exposure to air or moisture. It is recommended to maintain a storage temperature between 1 degree and 30 degrees Celsius at room temperature to safely retain the effectiveness of the medication.

Appearance

Pale green round film-coated tablet

Package unit

30 tablets/bottle, 300 tablets/bottle