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Generic Name: Lansoprazole [lan-SOE-pra-zol]
The Brand Names are: FIRST Lansoprazole, Prevacid.
Drug Class: Proton pump inhibitors

What is Lansoprazole?

Lansoprazole is an inhibitor of the proton pump. Lansoprazole lowers the amount of acid that is produced by the stomach.Lansoprazole can be used to treat intestinal and stomach ulcers. the condition known as erosive stomach (damage of the esophagus caused by acid in the stomach) as well as other disorders with excessive stomach acid, like Zollinger-Ellison syndrome.

Lansoprazole, an over-the-counter drug (Prevacid OTC), is used to treat frequent heartburn, which occurs two or more times every week. The medicine is not designed to relieve immediate heartburn symptoms.


Lansoprazole may cause kidney issues. Inform your doctor if you're not urinating as much as normal or if there is some blood in the urine.This medicine may result in diarrhea, which could be an indication of a new infection. Contact your doctor if you are experiencing diarrhea that is liquid or contains blood.

Lansoprazole could result in the onset or worsening of the symptoms of lupus. Consult your physician if you are experiencing joint pain and a red rash on your arms or cheeks that worsens when exposed to sunlight.It is possible that you are more likely to suffer broken bones if you take this medication for a long time or more than once a day.

If you take sucralfate (carafate), be sure to avoid taking it in the same way you are taking this medicine. Sucralfate makes it more difficult for the body to take in the lansoprazole. Take a minimum of 30 minutes after you have taken this medication before taking sucralfate.

Before you Take this Drug

There is no reason to use lansoprazole if there is a reaction to it or if you are taking any medication that contains rilpivirine (Edurant, Complera, Odefsey).

Heartburn is a common sign of a coronary attack. Take immediate medical care when you experience chest pain that is spreading to your shoulder or jaw and when you experience anxiety or feeling lightheaded.

Speak to your doctor if you've ever had:

  • Liver disease;

  • Lupus;

  • The magnesium levels in your blood are low.

  • Osteoporosis, or low bone mineral densities (osteopenia).

Don't consume lansoprazole, an over-the-counter drug (Prevacid OTC) without consulting your physician if you suffer from any of the following:

  • Difficulty or discomfort swallowing;

  • Black or bloody stools and vomit that resembles coffee grounds or blood;

  • Heartburn that has been lingering for more than three months;

  • Frequently, chest pain, frequent wheezing, and heartburn;

  • Unexplained weight loss

  • Nausea or vomiting, stomach pain,

  • An imbalance in electrolytes or metabolic disorders

Some forms of lansoprazole might contain phenylalanine. Inform your doctor if you are suffering from phenylketonuria (PKU).

You could be more likely to sustain broken bones in your wrist, hip, or back when you are taking a long-term proton pump inhibitor or more than once per day. Talk with your doctor about ways to maintain your bones' health.

Certain conditions can be treated using an encapsulation of lansoprazole along with antibiotics. Take all medications as prescribed by your physician.Don't give Lansoprazole to any child under one year of age. Prevacid OTC is not allowed to be used by anyone younger than 18.Talk to your doctor before taking this medicine if you are breastfeeding or pregnant.

How to take Lansoprazole?

Follow the directions for lansoprazole on the label or as directed by your doctor. Read the medication's instructions or guide sheets.Lansoprazole is typically taken before eating. Prevacid OTC is best taken before breakfast, just before eating breakfast.

Take note of and follow any instructions for use that are provided along with your medication. Ask your doctor or pharmacist if you don't know the details of these instructions.Shake the oral suspension of lansoprazole (liquid) prior to taking a dosage. Utilize the dosing syringe that comes with it or a dosage measuring device (not the kitchen spoon).Take the capsule of lansoprazole intact. Do not crush, chew, break, or break it open.

Take the tablet that dissolves orally from the packaging only after you are prepared to take the medication. Place the tablet in your mouth and let it disintegrate without chewing. Take a few breaths as the tablet disintegrates.

Make sure you take lansoprazole over the prescribed duration of time, even if your symptoms improve quickly.Prevacid OTC is to be taken every day for 14 consecutive days. It could take up to four days for the full effect to take effect. Give at least four months before starting another 14-day course of Prevacid OTC.

Consult your physician in the event that your symptoms don't improve or get worse when you take Lansoprazole. If you're taking Prevacid OTC, call your doctor if you feel your heartburn becomes worse during the 14 days of treatment or if you require treatment more often than once every four months.Certain conditions are treated with the combination of lansoprazole and antibiotics. Follow all medication directions.

If you have been taking lansoprazole for more than three years, you could be developing an insufficiency of vitamin B-12. Discuss with your physician how to deal with this issue when it arises.Keep the medicine at room temperature, free of heat, moisture, and light. Don't freeze the medicine's liquid.

What Happens If I Miss a Dose?

You should take the medication as quickly as you can. However, avoid any missed doses if you are nearing the time to take the next dose. Don't take two doses at a time.

What Happens If I Overdose?

Get medical attention in an emergency or contact the poison help line at 1-800-222-1222.

What Should be Avoided?

This medicine may induce diarrhea.

It could be an indication of an infection that has just begun.

If you are experiencing diarrhea that is bloody or watery, consult your physician prior to applying anti-diarrhoea medications.

Side effects of Lansoprazole

Take immediate medical care. If you are experiencing symptoms that indicate an allergy to Lansoprazole, such as hives, breathing difficulties, and swelling of your lips, face, and tongue,

See your doctor right away if you are suffering from:

  • Extreme stomach discomfort; diarrhea that is bloody or watery

  • A new or unusual ache in your back, wrist, or hip;

  • a seizure (convulsions);

  • Kidney issues such as nausea, fever, very little or no urinary frequency, blood in your urine, swelling, and rapid weight gain

  • Lower magnesium dizziness, rapid or irregular heartbeat, shaking (shaking) or muscles that jerk that make you feel jittery, muscular spasms, muscle cramps in your feet and hands, coughing or choking sensation,

  • New or worsening symptoms of lupus, including joint pain and a skin eruption on the arms or cheeks. It is more severe in sunlight.

Long-term use of lansoprazole can result in stomach tumors, also known as fundic gland polyps. Consult your physician regarding this risk.If you have been taking lansoprazole for more than three years, you could be developing vitamin B-12 deficiencies. Consult your physician about the best way to treat this condition when you get it.

Common side effects of lansoprazole include:

  • Nausea, stomach pain;

  • Diarrhea, constipation,

  • Headache.

This isn't a complete list of all the side effects. Other side effects could be present. Contact your doctor for advice regarding medical adverse effects. You can report symptoms to the FDA at 1-800-FDA-1088.

Interaction with Other Drugs


(carafate) could make it more difficult for the body to take in the drug lansoprazole. You should wait at least thirty minutes after taking lansoprazole before starting sucralfate.Tell your doctor if you use methotrexate.

It is sometimes not advisable to take certain medicines together. Certain drugs may affect your blood levels and the other medications you are taking, which could create side effects or render the drugs less effective.

A variety of drugs can affect the lansoprazole drug, and certain medicines should not be used simultaneously. This includes prescription as well as over-the-counter medicine, vitamins, and herbal supplements. The interactions of all drugs are mentioned here. Inform your doctor of your current medications as well as any other medications you take or stop taking.



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