Medication Information Leaflet
Ranitidine works by reducing the amount of acid produced in the stomach. It is used to treat various conditions of the gastrointestinal (stomach and intestines) tract including:
If you forget to take a dose, take it as soon as you remember. Then take your next dose at the usual time. Do not take two doses to make up for the missed dose.
Inform your healthcare professional if:
Consult your healthcare professional if you develop any blood in your stool (including blackened stool) or vomiting, severe stomach pain, confusion, unexplained fever or feeling faint, especially when standing up.
The symptoms of a drug allergy include one or more of the following:
If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.
Very rarely, it might affect your liver function. If you experience symptoms like dark urine or light coloured stools, nausea, vomiting, loss of appetite, stomach pain, yellowing of your eyes or skin, please contact your healthcare professional immediately.
Side effects of ranitidine include gastrointestinal side effects (e.g. abdominal pain, constipation, nausea), headaches and rarely blurred vision.
Inform your healthcare professional if you are taking or intend to take any other medication, supplements, traditional medications or herbal remedies.
Store in a cool and dry place, away from direct sunlight. Keep this medication away from children.
For general waste: Pack this medication into a black trash bag and seal it tightly before throwing into the rubbish chute or bin.
Disclaimers
Please take note that the above is not a complete list of all possible side effects. If you have any concerns about your medication or if you have other side effects that you think are caused by this medication, please consult your doctor or pharmacist.
If you take more than the recommended dose, please seek medical advice immediately. The information provided on this page does not replace information from your healthcare professional. Please consult your healthcare professional for more information.
This article is jointly developed by members of the National Medication Information workgroup. The workgroup consists of cluster partners (National Healthcare Group, National University Health System and SingHealth), community pharmacies (Guardian, Unity and Watsons) and Pharmaceutical Society of Singapore. The content does not reflect drug availability and supply information in pharmacies and healthcare institutions. You are advised to check with the respective institutions for such information.
Last updated on September 2022
This article was last reviewed on Thursday, June 22, 2023