Famotidine 20 mg Tablet

Adult dose

For the treatment of gastric and duodenal ulcers, anastomotic ulcers, upper gastrointestinal bleeding, gastroesophageal reflux disease, and Zollinger-Ellison syndrome, administer famotidine as 20 mg orally two times a day (after breakfast, after dinner, or at bedtime) or as 40 mg orally once a day (at bedtime). In case of upper gastrointestinal bleeding, treatment usually begins with an injection, and when oral administration becomes possible, it will be switched to oral administration. Acute gastritis and acute exacerbation of chronic gastritis.

This medication should not be used in certain patients. Those allergic to any of the ingredients of this drug or similar medications should not take it. Additionally, patients with lactose intolerance or specific genetic metabolic disorders should not take this medication. Caution is required when using this drug. Patients who have had a drug allergy or have impaired kidney function should adjust their dosage or take it at intervals. Patients with heart disease or liver dysfunction also need to be careful when taking it, and elderly patients should use it cautiously. This medication can cause several serious side effects. For example, severe allergic reactions, reduced blood cell count, skin disorders, liver function abnormalities, muscle damage, heart rhythm abnormalities, loss of consciousness, nephritis, or pneumonia may occur. If such symptoms appear, discontinue use immediately and seek appropriate treatment at a hospital. Minor side effects such as rash, digestive disturbances, blood pressure changes, headache, drowsiness, depression, and muscle cramps may also occur, and if these symptoms appear, consult a doctor. While on treatment, symptoms and blood, liver, and kidney function status should be continuously monitored, and alternative therapies may be considered if necessary. This drug dissolves in the mouth but is not absorbed in the oral cavity, so it should be swallowed with water. Patients undergoing dialysis should be cautious as the effectiveness may decrease when this drug is taken with certain phosphate binders. This drug may interact with other medications. In particular, it may lower the blood concentration of certain antifungals or specific anticancer drugs, risking reduced effectiveness. Elderly patients may have a prolonged exposure to the drug due to decreased kidney function, necessitating a reduction in dose or an increase in dosing intervals. Women who are pregnant or may become pregnant should only use this drug when its benefits outweigh the risks, and nursing mothers are advised to discontinue breastfeeding as the drug may be transmitted through breast milk. Safety in children has not been fully established, and there is limited experience, so it should be administered with caution. Finally, it is desirable to confirm the malignant nature before using this drug, as symptoms of gastric cancer may be masked.

Serious side effects

Shock, hypersensitivity (anaphylaxis, difficulty breathing, generalized flushing, angioedema, urticaria), Stevens-Johnson syndrome, Lyell’s syndrome (toxic epidermal necrolysis), liver dysfunction, jaundice, rhabdomyolysis, QT prolongation, ventricular tachycardia, ventricular fibrillation, altered consciousness, seizures, interstitial nephritis, acute kidney failure, interstitial pneumonia, failure contraction

Mild side effects

• Rash
• urticaria
• facial swelling
• constipation
• diarrhea
• clay-colored stool
• dry mouth
• nausea
• vomiting
• abdominal distension

This medication may be sensitive to air or moisture, so it should be stored in a tightly closed container. It is best stored at room temperature between 1 degree and 30 degrees. By storing it this way, the effectiveness of the drug can be maintained and safe use can be ensured.

Appearance

Green round film-coated tablet

Package unit

30 tablets/bottle, 300 tablets/bottle