Don't qualify for this program? Visit the DBAs to look for financial assistance based on your diagnosis.  

Merck Patient Assistance Program

This program provides brand name medications at no or low cost

Provided by: Merck Patient Assistance, Inc.

PO Box 690
Horsham, PA 19044-9979

TEL: 800-727-5400

Languages Spoken:

English, Spanish

Program Website


Patient Assistance Applications

Merck Patient Assistance Program Enrollment Form

Merck Patient Assistance Program Enrollment Form (Spanish)

Merck Patient Assistance Program Enrollment Form Instructions (Spanish)

HIV Common Application: Merck Patient Assistance Program


Brand Name Medications Covered

  • Asmanex HFA aerosol; inhalation
  • Maxalt tablet
  • Asmanex Twisthaler powder; inhalation
  • Maxalt-MLT tablet; orally disintegrating
  • Belsomra tablet
  • Nasonex spray; nasal
  • Crixivan
  • Pifeltro
  • Delstrigo
  • Proventil HFA aerosol; inhalation
  • Dificid
  • Singulair granule; oral
  • Dulera aerosol; inhalation
  • Sivextro
  • Emend capsule
  • Stromectol tablet
  • Intron A
  • Sylatron
  • Isentress
  • Temodar capsule
  • Isentress HD tablet
  • Trusopt ophthalmic solution/drops
  • Janumet tablet
  • Vytorin tablet
  • Janumet XR tablet; extended release
  • Zepatier
  • Januvia tablet
  • Zetia tablet
  • Lotrisone
  • Zolinza

Generic Name Medications Covered

  • albuterol sulfate aerosol; inhalation
  • metformin/sitagliptin tablet; extended release
  • aprepitant capsule
  • mometasone furoate aerosol; inhalation
  • clotrimazole/betamethasone
  • mometasone furoate monohydrate spray; nasal
  • doravirine
  • mometasone furoate powder; inhalation
  • doravirine/lamivudine/tenofovir disoproxil fumarate
  • montelukast sodium granule; oral
  • dorzolamide ophthalmic solution/drops
  • peginterferon alfa-2b
  • elbasvir/grazoprevir
  • raltegravir
  • ezetimibe tablet
  • raltegravir tablet
  • ezetimibe/simvastatin tablet
  • rizatriptan benzoate tablet
  • fidaxomicin
  • rizatriptan benzoate tablet; orally disintegrating
  • formoterol fumarate/mometasone furoate aerosol; inhalation
  • sitagliptin tablet
  • indinavir sulfate
  • suvorexant tablet
  • interferon alfa-2b
  • tedizolid
  • ivermectin tablet
  • temozolomide capsule
  • metformin/sitagliptin tablet
  • vorinostat

Eligibility Requirements   

Insurance Status Determined case by case
Those with Part D Eligible? Contact program for details.
Income At or below 400% of FPL
Diagnosis/Medical Criteria Not specified
US Residency Required? Must be residing in the US or a US territory, and under the care of a US physician


Obtaining Call or download
Receiving Sent to doctor or patient
Returning Mail original application. Do not fax
Doctor's Action Complete section and sign
Applicant's Action Complete section and sign
Decision Communicated Call for decision
Decision Timeframe Up to 10 business days


Amount/Supply 90 day supply with up to 3 refills, for a total of up to 1 year of medications
Sent To Doctor's office or patient's home
Delivery Time Not specified
Refill Process Patient requests refills via a toll-free number
Limit Not specified
Re-application New application yearly

Additional Information

At Merck we realize that sometimes exceptions need to be made based on the patient's individual circumstances. Individuals who do not meet the insurance criteria may still qualify for the Merck Patient Assistance Program if they attest that they have special circumstances of financial hardship, and their income meets the program criteria.

*The Enrollment Form must be mailed. Please do not fax.

Call for most recent medications as the list is subject to change.

Updated July 03, 2019