Famotidine 20 mg Tablet

Adult dose

1. For gastric and duodenal ulcers, anastomotic ulcers, upper gastrointestinal hemorrhage, gastroesophageal reflux disease, Zollinger-Ellison syndrome: 20 mg orally twice a day (after breakfast, after dinner or at bedtime) or 40 mg orally once a day (at bedtime). For upper gastrointestinal bleeding, treatment usually starts with injection and is switched to oral dosage. 2. For improvement of gastric mucosal lesions (acute exacerbation of acute and chronic gastritis): 10 mg orally twice a day (after breakfast, after dinner or at bedtime) or 20 mg orally once a day (at bedtime). Adjust according to age and symptoms.

This medication should not be used in patients who have had allergic reactions to the ingredients of this product or similar medications. Also, patients with lactose intolerance or hereditary lactase deficiency should not take this medication. Patients who have allergies to medications or impaired kidney function should be cautious when taking this medication, and the dosage may need to be adjusted or the dosing interval increased as necessary. Patients with heart disease or liver dysfunction must also be closely monitored when taking this medication. Elderly patients may have diminished kidney function, therefore extra caution should be exercised when using this medication. This medication can rarely cause serious side effects such as allergic shock, blood cell reduction, severe skin disorders, liver dysfunction, muscle damage, cardiac rhythm disturbances, consciousness disorders, nephritis, and pneumonia, so if any abnormal symptoms occur, discontinue use immediately and visit a hospital. Common side effects may include rash, hives, indigestion, changes in blood pressure, headache, drowsiness, dizziness, and muscle cramps. During treatment, it is important to regularly monitor symptoms and perform blood tests, as well as liver and kidney function tests, to check for any abnormalities. This medication dissolves in the mouth but is not absorbed through the oral mucosa, so it should be swallowed with water or saliva. Patients receiving hemodialysis should be cautious when taking this medication along with certain phosphate binders, as effectiveness may be reduced. There may be interactions with other drugs, especially antifungals or certain chemotherapeutic agents, which can reduce their effectiveness, so this should be reported to a physician or pharmacist. Safety has not been established for pregnant women, so it should be used cautiously only when necessary, and breastfeeding women should discontinue breastfeeding as this medication may pass into breast milk. The safety for children has not been sufficiently established; therefore, it is advisable to avoid use. In the case of orally disintegrating tablets, it can be placed on the tongue and swallowed with saliva after it dissolves, but it should not be taken lying down without water. Finally, this medication can mask symptoms of stomach cancer, so it should be confirmed that it is not a malignant disease before use.

Serious side effects

Shock, anaphylaxis, dyspnea, generalized urticaria, angioedema (facial edema, pharyngeal edema), urticaria (severe allergic reaction), Stevens-Johnson syndrome, Lyell's syndrome (toxic epidermal necrolysis), liver dysfunction, jaundice (liver impairment), rhabdomyolysis, QT prolongation, ventricular tachycardia (including Torsades de Pointes), ventricular fibrillation, consciousness disorders, seizures (severe neurological symptoms), interstitial nephritis, acute kidney failure, interstitial pneumonia, congestive heart failure,

Mild side effects

Hypersensitivity, rash, erythema, hives, facial swelling, blood abnormalities (leukopenia, eosinophilia), constipation, diarrhea, dry mouth, nausea, vomiting, abdominal distension, anorexia, stomatitis, increased blood pressure, facial flushing, tinnitus, bradycardia, tachycardia, AV block, bronchospasm, liver function abnormalities (elevated AST, ALT, ALP, etc.), general malaise, lethargy, headache, drowsiness, insomnia, hallucination, agitation, excitement, reduced libido, sensory disturbances,

Store this medication in a tightly sealed container to protect it from air and moisture. It is also advisable to store it at room temperature between 1 to 30 degrees Celsius. This storage method helps to maintain the medication's effectiveness for a long period.

Appearance

White round film-coated tablet

Package unit

30 tablets/bottle, 500 tablets/bottle