Prevpac
From$139
$1177
Prevpac HP Pac Lansoprazole, Clarithromycin, Amoxicillin
Select product strength & quantity:
Prescription Required
Ships within 4-10 Business Days
Express Ships from Canada
Product of Canada

What is Prevpac?

Prevpac is a prescription medication used to treat Helicobacter pylori (H. pylori) infections, a common cause of peptic ulcers and gastritis.

It combines three drugs: lansoprazole, a proton pump inhibitor (PPI) that reduces the amount of acid your stomach produces; amoxicillin, a penicillin antibiotic that prevents bacteria from forming protective cell walls; and clarithromycin, a macrolide antibiotic that blocks bacteria from making essential proteins needed for survival.

How Does Prevpac Work?

Prevpac combines three medications to treat H. pylori infections and stomach ulcers. The first ingredient, lansoprazole, is a proton pump inhibitor (PPI) that reduces stomach acid.

Lansoprazole helps heal ulcers and provides relief from pain by lowering acid levels. It blocks the proton pump, a part of the stomach cells responsible for producing acid.

The second component, amoxicillin, is a penicillin antibiotic that prevents H. pylori bacteria from building protective walls around themselves, stopping their growth and spreading.

The third ingredient, clarithromycin, is a macrolide antibiotic that interferes with the bacteria’s ability to produce proteins essential for survival, further eliminating the infection.

Prevpac Dosage Information and Usage

Adults usually take Prevpac as 30 mg of lansoprazole, 1 gram of amoxicillin, and 500 mg of clarithromycin, together twice daily – once in the morning and once in the evening for 10 to 14 days.

This combination effectively treats ulcer-causing bacteria and helps prevent their return.

People with severe kidney issues (creatinine clearance below 30 mL/min) should avoid using Prevpac.

Dosage Form and Strengths of Prevpac

Prevpac is available as a combination therapy in a 30 mg/1 gram/500 mg dose, containing:

  • Lansoprazole 30 mg: A proton pump inhibitor to lower stomach acid.
  • Amoxicillin 1 gram: An antibiotic to stop bacterial growth.
  • Clarithromycin 500 mg: An antibiotic to eliminate bacteria by blocking protein synthesis.

How to Use Prevpac?

Take Prevpac precisely as your doctor has directed. In the morning and evening, swallow one lansoprazole capsule, two amoxicillin capsules, and one clarithromycin tablet with a glass of water.

To maximize effectiveness, follow a consistent schedule for 10 to 14 days.

Do not skip doses, and avoid taking two doses at once to make up for a missed dose.

Side Effects of Prevpac

Prevpac can lead to various side effects, from mild discomfort to more serious health concerns. While many users experience only minor issues, some may develop significant reactions.

Common Side Effects

  • Diarrhea
  • Headache
  • Nausea or vomiting
  • Constipation
  • Dry mouth
  • Unpleasant taste in the mouth
  • Vaginal infections
  • Anal itching

Severe Side Effects

  • Yellowing of the skin or eyes (jaundice)
  • Dark urine
  • Muscle weakness
  • Easy or new bruising
  • Lupus-like symptoms (rash or joint pain)
  • Swelling of the face or tongue
  • Difficulty breathing
  • Emotional or mental changes

Warnings and Precautions for Prevpac

Prevpac is a medication that requires careful consideration to ensure safe use.

Below are important warnings and precautions to keep in mind:

  • If you are allergic to lansoprazole, amoxicillin, clarithromycin, or related medications like penicillin or cephalosporins, do not use Prevpac. Allergic reactions can include mild rashes or severe conditions such as anaphylaxis, which is a sudden and potentially life-threatening allergic response.
  • Inform your doctor if you have liver or kidney problems. These conditions can affect how your body processes the medication, and adjustments to your dosage may be needed to prevent organ damage.
  • Prevpac may interact with certain medications, such as cisapride or pimozide, leading to severe heart rhythm problems like QT prolongation, which is an irregular heart rhythm that can cause complications.
  • The clarithromycin in Prevpac is not recommended during pregnancy because it may harm the fetus. If you are pregnant or planning to become pregnant, consult your doctor about safer alternatives.
  • Using Prevpac may disrupt the natural balance of bacteria in your gut, increasing the risk of a condition called Clostridium difficile infection, which can cause severe diarrhea. Seek medical attention if you experience persistent or worsening diarrhea.
  • Prolonged use of antibiotics in Prevpac may lead to superinfections caused by resistant bacteria or fungi.
  • Combining Prevpac with certain drugs, such as ergotamine or some antihistamines like astemizole or terfenadine, can result in serious side effects, including breathing problems or heart complications.
  • While Prevpac helps treat bacterial infections that cause ulcers, it does not eliminate the possibility of more serious conditions, such as gastric cancer.
  • Severe kidney impairment may require adjusting the dosage of Prevpac to prevent harmful side effects.

Prevpac Drug Interactions With Other Medications

Lansoprazole, amoxicillin, and clarithromycin in Prevpac may interact with various medications, altering their effectiveness or causing side effects. To prevent harmful interactions, inform your doctor about your medications, supplements, or herbal products.

  • Blood thinners (like Warfarin)
  • HIV/AIDS medications (Atazanavir)
  • Cholesterol-lowering medications (Simvastatin)
  • Sedatives (Benzodiazepines)
  • Iron supplements
  • Digoxin
  • Clopidogrel
  • Rifabutin
  • Theophylline
  • Probenecid
  • Fluconazole
  • Sildenafil
  • Sulfa drugs
  • Cyclosporine
  • Tacrolimus

Alternative Medications to Prevpac

If you are looking for alternatives to Prevpac, several options are available. Pylora is one option that combines three medications to treat Helicobacter pylori infections, similar to Prevpac.

Omeprazole, a proton pump inhibitor, is often used alongside antibiotics to help reduce stomach acid.

These alternatives may be suitable depending on your needs and your doctor’s advice.

Buy Affordable Prevpac from Pharma Giant

Pharma Giant is your trusted Canadian online pharmacy, providing high-quality medications at significantly reduced prices for Americans. We ensure that all prescriptions, including Prevpac, are dispensed through licensed and accredited pharmacies, guaranteeing your safety and peace of mind.

Why Choose Pharma Giant?

  • Huge Savings: Save more on your prescription costs.
  • Reliable Shipping: Medications delivered intact, with insulated containers for temperature-sensitive products.
  • Safety Guaranteed: All prescriptions are dispensed securely by licensed professionals.
  • Exclusive Discount Code: Use PGSAVE10 at checkout to get 10% off your first purchase.

Prevpac Pricing

Strength Quantity Price
30mg/500mg/500mg 7 kits $139.00
14 kits $274.00
21 kits $405.00

How to Order Prevpac Online from Canada?

  1. Start by using the website’s search bar to search for Prevpac. Once you find the correct medication and strength, click the ‘Buy’ button to add it to your cart.
  2. Proceed to checkout by entering your contact details, payment information, and shipping address. Create an account with your email and password if you are a new customer. After submitting your order, you will receive a confirmation email with payment and order details.
  3. You can upload a scanned or clear photo of your prescription using the website’s RX document uploader tool or fax it to 1-888-562-8159.

Save 10% on your first order by using coupon code PGSAVE10.

Frequently Asked Questions

Prevpac treats Helicobacter pylori (H. pylori) stomach infections and reduces the risk of developing stomach ulcers.
Prevpac includes three medicines: lansoprazole (reduces stomach acid), amoxicillin (an antibiotic), and clarithromycin (another antibiotic).
Prevpac works by combining three medications: lansoprazole, amoxicillin, and clarithromycin. Lansoprazole reduces stomach acid, creating a better environment for the antibiotics to fight the H. pylori bacteria. Amoxicillin and clarithromycin work together to kill the bacteria, helping to heal ulcers and prevent their recurrence.
Prevpac is taken twice a day, once in the morning and once in the evening, with food. Each dose includes a combination of lansoprazole, amoxicillin, and clarithromycin. Swallow the pills with a full glass of water and follow your doctor’s instructions to complete the entire course, usually lasting 10 to 14 days. Do not skip doses, even if you feel better.
Prevpac should be taken with food twice a day, once in the morning and once in the evening. It is important to follow the prescribed schedule and take it at approximately the exact times each day.
Prevpac typically starts showing positive results within 10 to 14 days. However, the exact time may vary for each individual.
The best time to take Prevpac is usually twice daily, before meals. Take one dose (4 pills) as directed by your doctor.
It is best to avoid alcohol while taking Prevpac. Drinking alcohol with antibiotics like clarithromycin and amoxicillin can worsen stomach side effects such as nausea, vomiting, and diarrhea.
If you experience sudden heartburn, you can take antacids such as calcium carbonate (Tums) or Mylanta Maximum Strength (aluminum hydroxide, magnesium hydroxide, and simethicone) while using Prevpac.
No, Prevpac does not directly heal stomach ulcers. It contains lansoprazole, a proton pump inhibitor (PPI) that helps reduce stomach acid and prevent ulcers from worsening.

Disclaimer

Pharma Giant provides medical information to help you better understand medications and medical conditions.This content is for informational use only and does not replace advice from a licensed medical practitioner. Consult your doctor or pharmacist before starting or changing any medication. All our partners follow strict safety standards set by their country’s health authorities to make sure you receive safe and high-quality medications.

Have a prescription?

Order Prevpac online today and enjoy a host of benefits, including:

Customer Reviews
  • Cost Savings: Buy Prevpac at LOWER PRICES compared to the US
  • Bulk Order Discounts: Enjoy additional savings with bulk orders of Prevpac (up to 90-day supply)
  • Reliable Express Shipping: Fast and discreet delivery shipped directly to your doorstep
  • Exceptional Customer Service: Have a question? We’re delighted to help via live chat, email, or phone
  • Easy & Secure Ordering: Seamless online or phone ordering at 1-888-513-2294
  • SAVE 10% on first order with coupon code: PGSAVE10

Price Match Guarantee

Price Match Guarantee

We are committed to providing fair, competitive pricing on all medications. If you find a lower price on the same product at another verified Canadian online pharmacy, we’ll match it.

Eligibility Criteria

  • The pharmacy must be a licensed Canadian online pharmacy with a verifiable address.
  • The competitor’s price must be current and active (not from a past or future promotion).
  • The product must be identical in strength, pack size, quantity, manufacturer, and country of origin.
  • Requests must be submitted before placing an order — adjustments cannot be made after purchase.
  • Price matching does not apply to used or expired products.
  • Requests can be submitted via live chat or phone prior to completing your order.

Note: Price matching does not currently apply to Mounjaro® , Ozempic® or Saxenda®. However, this policy may be updated in the future.