Ravist Tablet

Adult dosage

Typically, 1 tablet twice daily, regardless of meals, taken orally in the morning and before bedtime. 1) Gastric and duodenal ulcers: take 1 tablet twice daily or 2 tablets once daily before bedtime. Particularly for duodenal ulcer patients, taking 2 tablets twice a day in the morning and at bedtime can produce a higher treatment rate. Treatments for ulcers due to NSAID usage or concomitant treatment against NSAID-induced ulcer. Generally, diseases caused by NSAID usage usually heal within 8 weeks, but occasionally the healing period may be extended depending on the patient. In patients where the short-term treatment has been effective for recurrent ulcers, the maintenance therapy is to take 1 tablet once daily before bedtime. 2) Gastroesophageal reflux disease For 8 weeks, take 1 tablet twice daily or take 2 tablets once daily before bedtime. For severe gastroesophageal reflux patients, the dose may be increased to 2 tablets four times daily. 3) Zollinger-Ellison syndrome Start with a dose of 1 tablet three times daily and increase as necessary. In severe cases, based on a physician's guidance, 6 grams of ranitidine per day may be prescribed. 4) Peptic ulcers, acute stress ulcers, and upper gastrointestinal bleeding due to acute mucosal lesions Once oral administration is possible, switch from injection to oral at a dose of 1 tablet twice daily. 5) Pre-anesthetic dosing (to prevent Mendelson syndrome) Administer 1 tablet 2 hours before anesthesia induction. In this case, it is also beneficial to take 1 tablet the night before surgery.

This medication should not be used in patients undergoing dialysis treatment. Patients who have had allergic reactions to this drug or its components should not take it. Patients with acute porphyria, a rare disease, should be cautious as this medication can trigger seizures. Patients with renal impairment or kidney disorders should avoid using this medication. This drug should not be administered to patients who have undergone gastrointestinal surgery. Pregnant women or those who may become pregnant should not take this medication, and it is also not safe for premature infants and newborns. Patients following a diet that restricts potassium intake should also avoid this medication. Patients with poor liver function or a history of drug allergies should use this medication cautiously. Elderly patients or those with a history of kidney disorders should be careful when taking this drug, especially when used in conjunction with NSAIDs. This medication may mask symptoms of gastric cancer, so patients with gastric ulcers or those who have recently developed dyspeptic symptoms over the age of middle age should confirm malignancy status before use. Patients with Helicobacter pylori infection and gastric or duodenal ulcers should undergo eradication therapy concurrently. In critically ill patients in intensive care units, there have been reports of gastric stone formation, so caution is needed. Patients with hypophosphatemia should be cautious as the aluminum component in this medication may interfere with phosphate absorption. In patients with difficulty swallowing, there is a risk of respiratory complications, so use with caution. During the course of taking this medication, rare occurrences of allergic reactions such as anaphylactic shock, skin rashes, hives, fever, and bronchospasm may occur, so if any unusual symptoms arise, discontinuation is advised. Blood tests may show decreased white blood cells or platelets, so symptoms such as fatigue, bleeding, and fever should be reported to a physician. Liver function impairment may occur, so if symptoms of jaundice or fatigue arise, immediate medical attention is necessary. Cardiac arrhythmias have been rarely reported, so patients with heart disease should be cautious. Gastrointestinal symptoms may include nausea, vomiting, constipation, diarrhea, and abdominal pain, and stools may become dark but typically do not require special treatment. Neurological symptoms such as dizziness, drowsiness, confusion, headache, and insomnia may occur occasionally, so it is advisable to avoid driving or operating dangerous machinery. Gynecomastia and erectile dysfunction have been very rarely reported, but causality is unclear. Muscle pain or joint pain could occur, and if there are severe muscle damage symptoms, discontinue use immediately. Skin rashes or hair loss may occur infrequently. Avoid long-term use of this medication, and if treatment effects are absent, it should be switched to another drug. Elderly individuals or patients with chronic lung disease or diabetes may have an increased risk of pneumonia, so caution is warranted. If dizziness or drowsiness occurs after taking this medication, it is safest to refrain from driving or engaging in hazardous work. This medication may interact with other drugs, especially anticoagulants or specific antibiotics, so consult a physician or pharmacist when taking these concurrent. It is safest for pregnant or breastfeeding women to avoid this medication, and safety in pediatric patients has not been established, hence it is not recommended for use. In case of overdose, emergency measures such as vomiting or gastric lavage may be necessary, and blood dialysis may be performed if needed. This medication reduces gastric acid secretion, which may promote bacterial colonization in the stomach, so long-term administration may require regular examinations, including eye check-ups.

Serious side effects

• Hives, angioedema, anaphylactic shock, chest tightness, difficulty breathing, hypotension, severe allergic reactions
• Severe skin reactions (severe rashes, blisters, skin peeling, pain in mucous membranes of mouth/eyes)
• Liver dysfunction (including jaundice hepatitis), liver abnormalities
• Severe neurological symptoms (seizures, altered consciousness)
• Shortness of breath or difficulty breathing, asthma attacks, respiratory symptoms accompanied by cough+fever
• Severe edema (generalized swelling and elevated blood pressure)

Mild side effects

Skin rash, angioedema, fever, bronchospasm, hypotension, chest pain, granulocytopenia, leukopenia, thrombocytopenia, serum enzyme elevation, agranulocytosis, pancytopenia, eosinophilia, transient and reversible elevation of liver enzymes (AST·ALT·r-GTP·ALP), tachycardia, bradycardia, AV block, premature ventricular contractions, vasculitis, nausea, vomiting, constipation, diarrhea, abdominal bloating, abdominal pain, loss of appetite, dizziness, drowsiness,

This medication should be stored in a closed container to protect it from air and moisture. The storage temperature should be kept at room temperature between 1 degree and 30 degrees Celsius.

Appearance

Pale green rectangular film-coated tablet

Package unit

For domestic use - 30 tablets/bottle, For domestic use - 300 tablets/bottle