Lansoprazole is a proton pump inhibitor (PPI) that reduces stomach acid production. It is commonly prescribed for conditions like gastroesophageal reflux disease (GERD), peptic ulcers, and Zollinger-Ellison syndrome. Available in delayed-release capsules or orally disintegrating tablets.

Lansoprazole FAQ


What is lansoprazole used for?

Lansoprazole treats conditions caused by excess stomach acid, such as GERD, peptic ulcers, and Zollinger-Ellison syndrome.

How does lansoprazole work?

It inhibits the proton pump in stomach cells, reducing acid production.

What are common side effects of lansoprazole?

Headache, diarrhea, nausea, and stomach pain are common; serious side effects are rare.

How should lansoprazole be taken?

Swallow capsules whole with water; do not chew or crush. Orally disintegrating tablets dissolve on the tongue.

Can I take lansoprazole with food?

Take with or without food, but avoid lying down immediately after dosing.

Is lansoprazole safe for long-term use?

Long-term use may increase fracture risk or vitamin B12 deficiency; use as directed.

Can lansoprazole interact with other medications?

Yes, it may interact with warfarin, ketoconazole, or HIV medications; inform your doctor.

What if I miss a dose of lansoprazole?

Take the missed dose as soon as remembered, but skip if it's almost time for the next dose.

How long does it take for lansoprazole to work?

Symptoms may improve within 1-2 days, but full effect may take 1-4 weeks.

Is lansoprazole available over-the-counter in Malaysia?

No, it requires a prescription from a healthcare provider.

Can I drink alcohol while taking lansoprazole?

Alcohol may worsen stomach irritation; moderate consumption is advised.

Does lansoprazole cause weight gain?

Weight gain is not a common side effect, but individual reactions may vary.

Can lansoprazole be taken during pregnancy?

Use in pregnancy is generally safe if clearly needed, but consult your doctor.

Is lansoprazole suitable for children?

It may be prescribed for children over 1 year old for specific conditions; follow pediatric dosing.

How should I store lansoprazole?

Store at room temperature, away from moisture and heat.

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