Most patients heal within 4 weeks.Next
What to avoid You should not stop taking prescription-strength ranitidine until you ask your doctor to prescribe a different medication.
High doses of Ranitidine e. The elimination half-life is 2. These medicines decrease the production of stomach acid.Next
Take ranitidine exactly as directed on the label, or as prescribed by your doctor.
Many people using this medicine do not have serious side-effects.Next
See CLINICAL PHARMACOLGY: Pharmacokinetics: Geriatrics and DOSAGE AND ADMINISTRATION: Dosage Adjustment for Patients with Impaired Renal Function.
Carefully follow your doctor's directions about the type of antacid to use, and when to use it. Ketoconazole: Oral ketoconazole exposure was reduced by up to 95% when oral Ranitidine was co-administered in a regimen to maintain a gastric pH of 6 or above. The degree of interaction with usual dose of Ranitidine 150 mg twice daily is unknown.
There are, however, no adequate and well-controlled studies in pregnant women.
No placebo — controlled comparative studies have been carried out for periods longer than 1 year.Next
Ranitidine side effects Get emergency medical help if you have signs of an allergic reaction to ranitidine: ; difficult breathing; swelling of your face, lips, tongue, or throat.
These were usually reversible. Pediatric Use: The safety and effectiveness of Ranitidine Tablets have been established in the age- group of 1 month to 16 years.
Hematologic: Blood count changes leukopenia, granulocytopenia, and thrombocytopenia have occurred in few patients.
Delavirdine: Delavirdine absorption may be impaired based on known interactions with other agents that increase gastric pH.Next
Studies available to date have not assessed the safety of Ranitidine in uncomplicated, benign gastric ulcer for periods of more than 6 weeks.
Headache, sometimes severe, seems to be related to administration of Ranitidine Tablets.Next
Get emergency medical help if you have chest pain that spreads to your jaw or shoulder and you feel anxious or light-headed.