Yuhan Famotidine Tablet 20 mg

Adult dose

1. Gastric and duodenal ulcers, anastomotic ulcers, upper gastrointestinal bleeding (due to peptic ulcers, acute stress ulcers, hemorrhagic ulcers), 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 injections before switching to oral administration when possible.

This medication should not be used in certain patients. For example, patients who have had an allergic reaction to this medication or other H2 receptor antagonists should not be administered this medication. Additionally, this medication contains lactose and should not be given to patients with hereditary diseases that prevent lactose breakdown. This medication should be used cautiously in patients with drug allergies, impaired kidney function, heart disease, weakened liver function, and the elderly. Specifically, patients with impaired kidney function may have prolonged drug concentration in the body, so the dosage should be reduced or the dosing interval increased. When using this medication, various side effects may occur, so caution is required. Severe allergic reactions, a decrease in blood cell counts, syndromes causing severe damage to the skin and mucous membranes, liver dysfunction, muscle damage, cardiac rhythm disturbances, consciousness disorders or seizures, kidney inflammation and worsening of function, and lung inflammation may occur. If these symptoms occur, discontinue use immediately and consult a healthcare provider. Furthermore, during the administration of this medication, various symptoms such as rashes, hives, changes in blood cell counts, gastrointestinal problems, changes in blood pressure, respiratory symptoms, liver dysfunction, psychiatric symptoms, endocrine disorders, and myalgia may manifest. If such symptoms occur, it is advisable to discontinue administration. During treatment, the patient's condition should be carefully monitored, and only the minimum necessary dosage should be used; if there is no effect, alternative therapies should be considered. This medication dissolves in the mouth but is not absorbed through the oral mucosa, so it should be swallowed with water or saliva. Caution should be taken when patients on dialysis take this medication with phosphate binders, as the effectiveness may be reduced. This medication may interact when taken with certain antifungal agents or certain anticancer medications, so it is important to inform the doctor or pharmacist if such medications are being taken. Elderly patients may have a higher likelihood of impaired kidney function, and this medication should be used cautiously with a reduced dosage or extended dosing intervals. For women who are pregnant or may become pregnant, this medication should only be administered when the benefits outweigh the risks, as safety has not been fully established. Additionally, this medication may be excreted in breast milk, so nursing mothers are advised to discontinue breastfeeding. Safety in pediatric patients has not been adequately established, so caution is required due to limited experience in its use. Lastly, this medication can mask the symptoms of gastric cancer, so it should only be used after the malignancy has been conclusively ruled out.

Serious side effects

Shock, hypersensitivity (anaphylaxis, respiratory distress, generalized flushing, angioedema, urticaria), agranulocytosis, aplastic anemia, hemolytic anemia, thrombocytopenia, Stevens-Johnson syndrome, Lyell syndrome, liver dysfunction, jaundice, rhabdomyolysis, QT prolongation, ventricular tachycardia, ventricular fibrillation, consciousness disorders, seizures, interstitial nephritis, acute renal failure, interstitial pneumonia, contraction failure.

Mild side effects

• Rash
• urticaria
• facial swelling
• constipation
• diarrhea
• dry mouth
• nausea
• vomiting
• abdominal bloating
• loss of appetite

This medication may be sensitive to air and moisture, so it should be stored in a tightly closed container. It is advisable to maintain storage temperatures between 1 and 30 degrees Celsius to safely preserve the medication's efficacy.

Appearance

Light green circular film-coated tablet

Package unit

30 tablets/bottle, 300 tablets/bottle