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When it comes to taking care of myself, I’m on it.

ISENTRESS HD is a prescription HIV medicine used with other antiretroviral medicines to treat HIV-1 infection.

Pay as little as $5 per prescription

Eligible, privately insured patients may pay as little as $5 per prescription. Maximum savings is $150 per prescription. The coupon may be redeemed once every 30 days.

See coupon offer
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Not valid for patients who are uninsured or patients with Medicare or other Government Program insurance. Other eligibility restrictions and Terms and Conditions apply. See Terms and Conditions.

A research study showed that ISENTRESS HD may help lower your viral load to undetectable.

In a clinical study that lasted more than a year, researchers compared ISENTRESS HD to ISENTRESS. This study showed that ISENTRESS and ISENTRESS HD had similar effects of reaching an undetectable viral load in patients.

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Tell me about the HPV vaccine:

For my child
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1 Network Pharmacy or Access Point to Network Pharmacy within a selected radius.

2 Prescription can be dropped off or called in to this location.

The pharmacy locator is provided for informational purposes only and is populated with information provided by pharmacies that have opted in, have provided authorization to include their information, and have reported stocking DIFICID. Merck is not affiliated with any pharmacy.

The inclusion of any pharmacy is not an endorsement, referral, or recommendation of the pharmacy by Merck, nor is Merck making any representations or guarantees about the qualifications, competence, or skills of any pharmacy. No fees or other remuneration have been or will be provided in exchange for a pharmacy’s inclusion in the locator. Pharmacies are solely responsible for compliance with all state and federal laws and professional licensing and other requirements when referring a patient to a pharmacy.

Users of this website are solely responsible for communications or interactions with any of the listed pharmacies, and any information users send them is not governed by our Legal Notice and Privacy Policy.

1

Lookup a pharmacy in our network1,2

Search your location

Clear
2

Call ahead for timely fulfillment

Reserve DIFICID at one of these pharmacies in our network

0 search results

1 Network Pharmacy or Access Point to Network Pharmacy within a selected radius.

2 Prescription can be dropped off or called in to this location.

The pharmacy locator is provided for informational purposes only and is populated with information provided by pharmacies that have opted in, have provided authorization to include their information, and have reported stocking DIFICID. Merck is not affiliated with any pharmacy.

The inclusion of any pharmacy is not an endorsement, referral, or recommendation of the pharmacy by Merck, nor is Merck making any representations or guarantees about the qualifications, competence, or skills of any pharmacy. No fees or other remuneration have been or will be provided in exchange for a pharmacy’s inclusion in the locator. Pharmacies are solely responsible for compliance with all state and federal laws and professional licensing and other requirements when referring a patient to a pharmacy.

Users of this website are solely responsible for communications or interactions with any of the listed pharmacies, and any information users send them is not governed by our Legal Notice and Privacy Policy.

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What is DIFICID® (fidaxomicin)?

DIFICID is an antibiotic medicine used to treat an infection called Clostridioides difficile-associated diarrhea (CDAD) in adults and children 6 months of age and older.

  • DIFICID is not to be used to treat other types of infections in the body.
  • Sometimes infections are caused by viruses rather than bacteria. Antibiotic medicines including DIFICID do not kill viruses.
  • It is not known if DIFICID is safe and effective in children under 6 months old.

Important Safety Information

  • Do not take DIFICID if you are allergic to fidaxomicin, or any other ingredient in DIFICID.
  • Tell your doctor before you take DIFICID if you are pregnant or plan to become pregnant, are breastfeeding or plan to breastfeed. It is not known if DIFICID will harm your baby while you are pregnant or if DIFICID passes into breast milk. You and your doctor should decide together if you will take DIFICID if you are pregnant or breastfeeding.
  • Know the medicines you take. Keep a list of your medicines to show your doctor and pharmacist when you get a new medicine.
  • DIFICID can cause serious side effects, including allergic reaction. If you get a severe allergic reaction while taking DIFICID, including problems breathing or shortness of breath, rash, itching or hives, or swelling of the mouth, throat, or face, stop taking DIFICID and get emergency help right away.
  • The most common side effects of DIFICID in adults include nausea, vomiting, stomach pain, bleeding in the stomach or intestines, low red blood cell count (anemia), and low white blood cell count (neutropenia).
  • The most common side effects of DIFICID in children include fever, vomiting, diarrhea, stomach pain, constipation, rash, and high levels of enzymes called aminotransferases in the blood which may indicate liver damage.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.

Please read the accompanying Patient Information for DIFICID® and discuss it with your health care professional. The physician Prescribing Information also is available.

Having trouble paying for your Merck medicine? Merck may be able to help. Visit merckhelps.com.

What is DIFICID® (fidaxomicin)?

DIFICID is an antibiotic medicine used to treat an infection called Clostridioides difficile-associated diarrhea (CDAD) in adults and children 6 months of age and older.

  • DIFICID is not to be used to treat other types of infections in the body.
  • Sometimes infections are caused by viruses rather than bacteria. Antibiotic medicines including DIFICID do not kill viruses.
  • It is not known if DIFICID is safe and effective in children under 6 months old.

DIFICID is an antibiotic medicine used to treat an infection called Clostridioides difficile-associated diarrhea (CDAD) in adults and children 6 months of age and older.DIFICID is an antibiotic medicine used to treat an infection called Clostridioides difficile-associated diarrhea.

DIFICID is an antibiotic medicine used to treat an infection called Clostridioides difficile-associated diarrhea (CDAD) in adults and children 6 months of age and older.DIFICID is an antibiotic medicine used to treat an infection called Clostridioides difficile-associated diarrhea (CDAD) in adults and children 6 months of age and older.

Important Safety Information

  • Do not take DIFICID if you are allergic to fidaxomicin, or any other ingredient in DIFICID.
  • Tell your doctor before you take DIFICID if you are pregnant or plan to become pregnant, are breastfeeding or plan to breastfeed. It is not known if DIFICID will harm your baby while you are pregnant or if DIFICID passes into breast milk. You and your doctor should decide together if you will take DIFICID if you are pregnant or breastfeeding.
  • Know the medicines you take. Keep a list of your medicines to show your doctor and pharmacist when you get a new medicine.
  • DIFICID can cause serious side effects, including allergic reaction. If you get a severe allergic reaction while taking DIFICID, including problems breathing or shortness of breath, rash, itching or hives, or swelling of the mouth, throat, or face, stop taking DIFICID and get emergency help right away.
  • The most common side effects of DIFICID in adults include nausea, vomiting, stomach pain, bleeding in the stomach or intestines, low red blood cell count (anemia), and low white blood cell count (neutropenia).
  • The most common side effects of DIFICID in children include fever, vomiting, diarrhea, stomach pain, constipation, rash, and high levels of enzymes called aminotransferases in the blood which may indicate liver damage.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.

Please read the accompanying Patient Information for DIFICID® and discuss it with your health care professional. The physician Prescribing Information also is available.

Having trouble paying for your Merck medicine? Merck may be able to help. Visit merckhelps.com.

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