prevacid antacid

Each Prevacid 24HR capsule contains 15 milligrams (mg) of the active ingredient lansoprazole.

Prevacid 24HR is a proton pump inhibitor (PPI), an acid reducer that works by blocking proton pumps in the stomach to lower acid production.

Prevacid 24HR is sold over the counter (OTC); product listings indicate no prescription is required.

Prevacid 24HR is not for immediate relief; it may take 1–4 days to reach full effect. For frequent heartburn, product directions recommend a 14‑day treatment course.

Product details list the suggested minimum age as 18 years and older.

Common package sizes shown in listings are 14 and 42 capsules.

Prevacid 24HR is available in capsule form.

Do not use if you are allergic to the active ingredient. Consult a doctor if you are pregnant or nursing, have liver disease, or are taking prescription medications. Keep out of reach of children.

Prevacid 24HR is formulated to provide 24‑hour relief from frequent heartburn by reducing stomach acid. It is not intended for immediate relief and may take 1–4 days for full effect.