Rantac 150 Tablet is also commonly prescribed to prevent stomach ulcers and heartburn caused by the use of painkillers. It can be taken with or without food. Medicine dose and frequency will depend on what you are being treated for. Rantac 150 Tablet usually starts to work within a few hours. You may only need to take it for a short time when you have symptoms. If you are taking it to prevent ulcers and other conditions you may need to take it for longer. You may be able to help improve your symptoms by eating smaller meals more often and avoiding spicy or fatty foods.
Rantac 150 Tablet may cause side effects such as headache, constipation, drowsiness, and diarrheas. These are usually mild and will go away when you stop taking this medicine or as you adjust to it. Consult your doctor if any of these side effects bother you or persist.
Before taking it, inform your doctor if you have any kidney or liver problems. Also tell your doctor what other medicines you are taking as some may affect, or be affected by, this medicine. Avoid drinking alcohol as this can increase the amount of acid in your stomach and make your symptoms worse.