Ranitidine®

Ranitidine is in a group of drugs called histamine-2 blockers. Ranitidine works by reducing the amount of acid your stomach produces. Ranitidine is used to treat and prevent ulcers in the stomach and intestines. It also treats conditions in which the stomach produces too much acid, such as Zollinger-Ellison syndrome. Ranitidine also treats gastroesophageal reflux disease (GERD) and other conditions in which acid backs up from the stomach into the esophagus, causing heartburn.

 

Ranitidine®
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Ranitidine®

How should I take ranitidine?

• Take this medication exactly as it was prescribed for you. Do not take the medication in larger amounts, or take it for longer than recommended by your doctor. Follow the directions on your prescription label.

• Take each ranitidine tablet with a full glass of water.

• Your doctor may recommend an antacid to help relieve pain. Carefully follow your doctor's directions about the type of antacid to use, and when to use it.

• Do not crush, chew, or break the rantidine effervescent tablet, and do not allow it to dissolve on your tongue. The 25-milligram effervescent tablet must be dissolved in at least 1 teaspoon of water before swallowing. The150-milligram effervescent tablet should be dissolved in 6 to 8 ounces of water.

• Allow the tablet to dissolve completely in the water, and then drink the entire mixture. If you are giving this medicine to a child, you may draw the liquid mixture into a medicine dropper and empty the dropper into the child's mouth.

• Ranitidine granules should be mixed with 6 to 8 ounces of water before drinking.

• Measure the liquid form of ranitidine with a special dose-measuring spoon or cup, not a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.

• It may take up to 8 weeks of using this medicine before your ulcer heals. For best results, keep using the medication as directed. Talk with your doctor if your symptoms do not improve after 6 weeks of treatment.

• This medication can cause you to have unusual results with certain medical tests. Tell any doctor who treats you that you are using ranitidine.

• Store ranitidine at room temperature away from moisture, heat, and light.

What happens if I miss a dose?

• Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.

What should I avoid while taking ranitidine?

• Avoid drinking alcohol. It can increase the risk of damage to your stomach.

What are the possible side effects of ranitidine?

• Stop using ranitidine and get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

• Call your doctor at once if you have any of these serious side effects:

· chest pain, fever, feeling short of breath, coughing up green or yellow mucous;

· easy bruising or bleeding, unusual weakness;

· fast or slow heart rate;

· problems with your vision;

· fever, sore throat, and headache with a severe blistering, peeling, and red skin rash; or

· nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

• Other, less serious side effects may be more likely to occur, such as:

· headache (may be severe);

· drowsiness, dizziness;

· sleep problems (insomnia);

· decreased sex drive, impotence, or difficulty having an orgasm; or

· swollen or tender breasts (in men);

· nausea, vomiting, stomach pain; or

· diarrhea or constipation.

• Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What other drugs will affect ranitidine?

• Before taking ranitidine, tell your doctor if you are taking triazolam (Halcion). You may not be able to use ranitidine, or you may need dosage adjustments or special tests during treatment.

• There may be other drugs that can affect ranitidine, or be affected by ranitidine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.