Lansoprazole: Uses & Side Effects

Lansoprazole is a proton pump inhibitor. Lansoprazole decreases the amount of acid produced in the stomach.

Lansoprazole is used to treat and prevent stomach and intestinal ulcers, erosive esophagitis (damage to the esophagus from stomach acid), and other conditions involving excessive stomach acid such as Zollinger-Ellison syndrome.

Over-the-counter lansoprazole (Prevacid OTC) is used to treat frequent heartburn that happens 2 or more days per week. This medicine is not for the immediate relief of heartburn symptoms.

Before taking this medicine

You should not use lansoprazole if you are allergic to it, or if you take any medicine that contains rilpivirine (Edurant, Complera, Odefsey).

Heartburn can mimic early symptoms of a heart attack. Get emergency medical help if you have chest pain that spreads to your jaw or shoulder and you feel anxious or light-headed.

Tell your doctor if you have ever had:

  • liver disease;
  • lupus;
  • low levels of magnesium in your blood; or
  • osteoporosis or low bone mineral density (osteopenia).

Do not use over-the-counter lansoprazole (Prevacid
OTC) without the advice of a doctor if you have:

  • trouble or pain with swallowing;
  • bloody or black stools; vomit that looks like blood or coffee grounds;
  • heartburn that has lasted for over 3 months;
  • frequent chest pain, heartburn with wheezing;
  • unexplained weight loss;
  • nausea or vomiting, stomach pain; or
  • an electrolyte imbalance or metabolic disorder.

Some forms of lansoprazole may contain phenylalanine. Tell your doctor if you have phenylketonuria(PKU).

You may be more likely to have a broken
bone in your hip, wrist, or spine while taking a proton pump inhibitor
long-term or more than once per day. Talk with your doctor about ways to keep
your bones healthy.

Some conditions are treated with a combination of lansoprazole and antibiotics. Use all medications as directed by your doctor

Do not give lansoprazole to a child younger
than 1 year old. Prevacid OTC is not approved for use by anyone younger than 18
years old.

Ask a doctor before using this medicine if
you are pregnant or breast-feeding.

Side effects

Get emergency medical help if you have signs of an allergic reaction of lansoprazole: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • severe stomach pain, diarrhea that is watery or bloody;
  • new or unusual pain in your wrist, back, hip, or thigh;
  • a seizure (convulsions);
  • kidney problems – little or no urination, blood in your urine, swelling, rapid weight gain;
  • low magnesium – dizziness, fast or irregular heart rate, tremors (shaking) or jerking muscle movements, feeling jittery, muscle cramps, muscle spasms in your hands and feet, cough or choking feeling; or
  • new or worsening symptoms of lupus – joint pain, and a skin rash on your cheeks or arms that worsens in sunlight.

Taking lansoprazole long-term may cause you
to develop stomach growths called fundic gland polyps. Talk with your doctor
about this risk.

If you use lansoprazole for longer than 3
years, you could develop a vitamin B-12 deficiency. Talk to your doctor about
how to manage this condition if you develop it.

Common lansoprazole side effects may
include:

  • nausea, stomach pain;
  • diarrhea, constipation; or
  • headache.

Keywords: Lansoprazole; Prevacid.

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