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What is Prevacid?

Prevacid is a medication that belongs to a class of drugs known as proton pump inhibitors (PPIs). Its generic name is lansoprazole. Prevacid is primarily used to treat conditions related to excess stomach acid production, such as gastroesophageal reflux disease (GERD), ulcers, and Zollinger-Ellison syndrome.

Dosage: Prevacid comes in various forms, including capsules, orally disintegrating tablets, and oral suspension. The dosage depends on the condition being treated, the severity of the condition, and individual response to the medication. It's essential to follow your doctor's instructions regarding dosage.

Administration: Prevacid capsules should be swallowed whole with a glass of water, usually before eating. For orally disintegrating tablets, they should be placed on the tongue and allowed to dissolve, followed by drinking water. The oral suspension should be mixed with water, and the entire mixture should be taken immediately.

Timing: Prevacid is often taken once daily, preferably in the morning before breakfast. It's crucial to take it at the same time each day for the best results.

Side Effects of Prevacid

Common side effects of Prevacid may include:

  • Headache
  • Nausea
  • Diarrhea
  • Constipation
  • Stomach pain
  • Gas
  • Dizziness
  • Rash

Severe side effects are rare but may include:

  • Allergic reactions (rash, itching, swelling of the face, tongue, or throat, severe dizziness, trouble breathing)
  • Signs of liver problems (persistent nausea/vomiting, severe stomach/abdominal pain, yellowing eyes/skin, dark urine)
  • Signs of kidney problems (change in the amount of urine)

If you experience any severe side effects or signs of an allergic reaction, seek medical attention immediately.


Allergies: Inform your doctor if you have any allergies to lansoprazole or any other medications.

Medical History: Before taking Prevacid, inform your doctor about your medical history, especially if you have liver disease or osteoporosis.

Pregnancy and Breastfeeding: Consult your doctor before using Prevacid if you are pregnant or breastfeeding.

Interactions: Prevacid can interact with other medications, including certain antibiotics, antifungals, and drugs metabolized by the liver. Inform your doctor about all the medications you are currently taking to avoid potential interactions.


How long does it take for Prevacid to work?

Prevacid may start providing relief within a few days, but it can take up to four weeks for full effectiveness in treating certain conditions like GERD.

Can I take Prevacid with food?

Prevacid can be taken with or without food. However, for optimal effectiveness, it's typically taken before meals.

Can I drink alcohol while taking Prevacid?

It's generally safe to drink alcohol in moderation while taking Prevacid. However, excessive alcohol consumption can worsen certain conditions Prevacid is used to treat, such as GERD and ulcers.

Is Prevacid available over the counter?

Yes, Prevacid is available in some formulations, both as a prescription and as an over-the-counter medication. However, it's essential to consult a healthcare professional before starting any new medication regimen.

What should I do if I miss a dose of Prevacid?

If you miss a dose, take it as soon as you remember. However, if it's almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not double the dose to catch up.

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Esther Mae W

November 4, 2022

Excellent service on setting up our account

Robert G

October 27, 2022

Great service! The pills arrived even faster than I expected.

Stephen D

October 14, 2022

Your operators are always courteous and knowledgeable. Very good service.


October 13, 2022

I've been a Canadian Med Center customer for about 6 years now. In all that time there was never once that I considered taking my business elsewhere. They do a great job and the people they contract with are also super.


October 5, 2022

Cheaper and efficient.

Dorothy Serrie S

October 4, 2022

Always appreciate their prompt service but especially appreciate their hanging in there when there was difficulty getting my doctor to renew my prescription!

A valid Prescription is required to be mailed or faxed to complete this order. I acknowledge that I will need to be contacted to complete a health profile before my order is shipped.

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