Ranitidine or Zantac Medication Information (dosing, side effects, patient counseling)

0 Views • 08/25/25

Side Effects

Subscribers

Your Medication Ranitidine

Ranitidine is also known by the brand name: Zantac.
Ranitidine comes in 75, 150, and 300mg tablets.
Ranitidine is most commonly used for treating or preventing stomach ulcers, treating acid reflux disease, and heartburn. It could be given to you for other reasons. It most commonly taken by mouth once daily at bedtime; however it may be prescribed to be taken more often. This medication can be taken with or without food. Ask your doctor before you take this medication with antacids.
Standard dosing of ranitidine ranges from 75-150mg 1-2 times daily.
Some common side effects with ranitidine include dizziness, headache, upset stomach, vomiting, constipation, and diarrhea.
Do not take ranitidine OTC if you:
• Have trouble or pain when swallowing food, vomiting with blood, or bloody or black stools.
• If your allergic to ranitidine or other acid reducers

When taking ranitidine, remember it is important to tell your doctor or pharmacist if you have:
• Signs of an allergic reaction, such as rash, itching, swelling, or tightness of the chest
• Very bad dizziness or passing out
• Feeling confused
• Chest pain or pressure
• A heartbeat that does not feel normal
• Very bad headaches
• Inability to pass urine
• Any unexplained bruising or bleeding

If you miss a dose of Ranitidine:
• If you take this medication on a regular basis, take a missed dose as soon as you think about it.
• If it is close to the time of your next dose, skip the missed dose and go back to your normal time.
• Do not take 2 doses at the same time or extra doses.
• Many times, this drug is taken on an as needed basis. Do not take more often than told by the doctor.

The best way to store Ranitidine:
• Store at room temperature.
• Store in a dry place. Do not store in a bathroom or refrigerator.
• Protect from light.
• Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
• Check with your pharmacist about how to throw out unused drugs.

Up next

Ranitidine or Zantac Medication Information (dosing, side effects, patient counseling)

Up next

Please note that if you are under 18, you won't be able to access this site.

Up next

Ranitidine or Zantac Medication Information (dosing, side effects, patient counseling)

Up next

Language