How to Take Zantac

General Zantac Dosage Information

Some considerations for people taking Zantac include the following:
  • Zantac comes in tablet form. Depending on the condition the medication is being used to treat, people take these tablets by mouth generally one to four times a day.
  • A peppermint-flavored Zantac syrup is available only with a prescription.
  • Zantac also comes in an EFFERdose® tablet form that has a light citrus taste. The EFFERdose tablets are meant to be dissolved in water before being taken. Zantac EFFERdose is especially effective for use in children. These tablets are available only with a prescription.
  • Do not chew Zantac EFFERdose tablets or swallow them whole. EFFERdose tablets should not be dissolved on the tongue. Instead, EFFERdose tablets must be dissolved in a certain amount of water before they are taken. Zantac 25 EFFERdose tablets should be dissolved in at least one teaspoon of water. Zantac 150 EFFERdose tablets should be dissolved in 6 to 8 ounces (3/4 to 1 cup) of water.
  • You may take Zantac with or without food. If you are using over-the-counter Zantac to prevent heartburn, you should take it 30 to 60 minutes before eating or drinking foods or beverages that cause heartburn (up to twice a day).
  • Take Zantac at the same time(s) each day to maintain an even level of the drug in your blood. If you take Zantac just once a day, it is usually best to take it after your evening meal or before bedtime.
  • For Zantac to work properly, you must take it as prescribed. Zantac will not work if you stop taking it.
  • People who have poor kidney function (including kidney failure or renal failure) likely need to receive a lower dose of Zantac. If you have kidney problems, ask your healthcare provider about which dose of Zantac you should be taking.
  • If you are unsure about anything related to Zantac or your Zantac dosage, please talk to your healthcare provider or pharmacist.

Zantac Drug Info

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