If you have a question about a GSK prescription medicine or vaccine, need help with an inhaler or other medication device, want to report a possible side effect, or need information about paying for a GSK medicine, start with the current GSK U.S. support system. The correct contact depends on whether you are a patient, caregiver, healthcare professional or vaccine customer.
GSK Customer Service Contact Information
- GSK Customer Response Center: 1-888-825-5249
- Patient support hours: Monday-Friday, 8:30 a.m.-5:30 p.m. ET; closed holidays
- Patient Help Center: Contact GSK Patient Support
- Report a possible side effect: GSK Side-Effect Reporting
- Patient assistance and savings: GSK for You
- GSK Patient Assistance Program: 1-866-728-4368
- U.S. product directory: GSK Medicines & Vaccines
- Healthcare professional Medical Information: 1-877-475-6448 / 1-877-GSK-MI4U
- Vaccine Service Center: 1-866-475-8222
- Pennsylvania office: GSK, 2929 Walnut Street, Suite 1700, Philadelphia, PA 19104
- North Carolina office: GSK, 410 Blackwell Street, Durham, NC 27701
- Official U.S. website: US.GSK.com
Which GSK Support Route Should You Use?
- Patient or caregiver with a GSK medicine question: Call 1-888-825-5249, use GSK’s patient Help Center or request a callback.
- Possible side effect: Call 1-888-825-5249 or submit GSK’s Patient Safety Reporting Form.
- Inhaler or medication-device problem: Use GSK’s Device Issues & Questions system. A separate Response Center number may be provided for device-specific complaints.
- Help paying for medicine: Search the specific medicine through GSK for You.
- Patient Assistance Program: Call 1-866-728-4368 for qualifying program assistance.
- Healthcare professional medical-information question: Call 1-877-475-6448.
- Healthcare professional vaccine ordering or pricing: Call the Vaccine Service Center at 1-866-475-8222.
- ViiV Healthcare HIV medicine question: Use ViiV Healthcare’s separate Medical Information system.
- Former GSK consumer-health product: Check the current product owner because GSK Consumer Healthcare became Haleon in 2022.
GSK Customer Response Center
The primary U.S. patient and caregiver support number is:
Current hours are:
Monday-Friday, 8:30 a.m.-5:30 p.m. Eastern Time
Closed holidays
GSK’s current Patient Help Center also offers:
- Online chat
- Callback requests
- Patient assistance information
- Medicine and vaccine questions
- Device troubleshooting
- Side-effect reporting
Use the official GSK Help Center rather than relying on an old telephone number found on third-party websites.
What to Have Ready Before Contacting GSK
Depending on your question, GSK may need:
- Name of the GSK medicine or vaccine
- Dosage or strength
- Package or device information
- Lot or batch number when available
- Expiration date
- Pharmacy information
- Approximate purchase or dispensing date
- Description of a device problem
- Description and timing of a possible side effect
- Previous GSK case or reference number
For a suspected product-quality or device problem, keep the medicine, inhaler, carton or other packaging available unless doing so would create a safety issue.
Do not post prescription numbers, medical records, dates of birth, insurance numbers, home addresses or other health information in a public CustomerServiceNumbers.com review.
GSK Medicine and Vaccine Questions
GSK’s current U.S. portfolio includes prescription medicines and vaccines rather than the consumer-health portfolio historically associated with GlaxoSmithKline.
Current product areas include:
- Specialty medicines
- Vaccines
- General medicines
Examples currently listed by GSK in the United States include:
- Advair
- Anoro Ellipta
- Arexvy
- Benlysta
- Bexsero
- Boostrix
- Breo Ellipta
- Fluarix and FluLaval
- Havrix
- Jemperli
- Lamictal
- Menveo
- Nucala
- Shingrix
- Trelegy Ellipta
- Twinrix
- Ventolin HFA
- Zejula
GSK’s product portfolio changes over time. Use the official U.S. product directory to confirm whether GSK currently markets a specific medicine or vaccine.
Reporting a Possible GSK Side Effect
GSK provides a dedicated patient-safety reporting process.
To report a possible side effect:
- Telephone: 1-888-825-5249
- Online: Use GSK’s official Patient Safety Reporting Form
GSK asks reporters to provide information including:
- The GSK product involved
- A description of the symptoms or possible side effect
- When the event began
- The outcome or current status
- Information identifying the person who experienced the event
- Contact information for the person making the report
GSK Inhaler and Device Problems
GSK’s Patient Help Center includes a dedicated Device Issues & Questions section for certain products.
This can be useful for issues such as:
- Inhaler dose counter questions
- Difficulty operating an inhaler
- Concern that a dose was not delivered
- Damaged device
- Product-quality complaint
- Questions about opening, cleaning or using a device
For certain respiratory-device issues, GSK currently provides the specialized Response Center number:
Current device-support hours shown by GSK are:
- Monday-Tuesday: 8:30 a.m.-5:30 p.m. ET
- Wednesday: 8:30 a.m.-4 p.m. ET
- Thursday-Friday: 8:30 a.m.-5:30 p.m. ET
GSK asks customers with a device complaint to retain the product and have it available when speaking with a representative.
Use the official GSK Device Support system for current model-specific instructions.
GSK Patient Assistance and Savings
GSK for You helps patients identify programs that may reduce the cost of qualifying medicines and vaccines.
Current resources can include:
- Patient Assistance Programs
- Copay assistance for certain medicines
- Coupons and free-trial offers
- Prescription refill resources
- Product-specific access programs
- Direct-to-patient pharmacy options for certain medicines
Visit GSK for You and search for the exact medicine.
Eligibility differs by program and can depend on:
- Medicine or vaccine
- Insurance status
- Income
- Residency
- Other program-specific requirements
Do not assume eligibility based on another patient’s experience.
GSK Patient Assistance Program Phone Number
For GSK’s charitable Patient Assistance Program, current GSK materials list:
GSK says its Patient Assistance Programs may provide certain medicines and vaccines at no cost to eligible patients.
The programs are managed by the GSK Patient Access Programs Foundation, an independent nonprofit foundation.
Eligibility and covered products can change, so use current application materials rather than an old form.
GSK for You and Medicine Pricing Help
GSK for You also publishes current pricing and affordability resources for selected products.
Patients can use the site to:
- Review certain product pricing information
- Check for copay programs
- Find Patient Assistance Program eligibility information
- Find available coupons or free-trial programs
- Explore direct-to-patient options for certain prescription medicines
Your actual out-of-pocket cost can depend on your insurance, pharmacy, deductible, coverage rules and eligibility for assistance.
For insurance-specific cost questions, contact the insurer or pharmacy as well as GSK.
Healthcare Professional Medical Information
GSK has a separate Medical Information department exclusively for U.S. healthcare professionals.
GSK Medical Information: 1-877-475-6448 / 1-877-GSK-MI4U
Current hours:
Monday-Friday, 8 a.m.-6 p.m. ET
Healthcare professionals can use this route for:
- Medical information
- Prescription-product information
- Vaccine information
- Clinical and scientific questions
Patients and caregivers should use the ordinary GSK Customer Response Center instead of the healthcare-professional-only Medical Information line.
GSK Vaccine Service Center
For healthcare professionals and organizations with questions involving vaccine ordering, pricing or vaccines supplied directly by GSK:
Current hours:
Monday-Friday, 8 a.m.-6 p.m. ET
Closed holidays
This is different from the general patient number.
Patients with health or vaccine questions should contact their healthcare professional or the GSK Customer Response Center.
ViiV Healthcare Support
Some HIV medicines associated with the GSK group are supported through ViiV Healthcare, which has its own Medical Information route.
For U.S. healthcare professionals:
ViiV Healthcare Medical Information: 1-888-226-8434
Current hours are Monday-Friday, 8 a.m.-6 p.m. ET.
If a product is marketed through ViiV Healthcare, use ViiV’s current support resources rather than assuming ordinary GSK support is the best first contact.
GSK Consumer Healthcare Is Now Haleon
GSK completed the separation of its Consumer Healthcare business on July 18, 2022, forming Haleon plc as an independent publicly traded company.
That means many familiar consumer brands historically associated with GlaxoSmithKline are no longer part of the current GSK biopharmaceutical business.
Examples of brands now associated with Haleon rather than the current GSK prescription-medicine and vaccine business include products in categories such as:
- Over-the-counter pain relief
- Oral health
- Vitamins and supplements
- Digestive health
- Cold and flu products
Before calling GSK about a consumer product, check the current manufacturer identified on the package.
This avoids being transferred between companies because an old website or product page still refers to GlaxoSmithKline Consumer Healthcare.
GSK Product Quality Complaints
Contact GSK when a current GSK medicine, vaccine or device appears to have a quality problem.
Possible issues can include:
- Broken or malfunctioning inhaler
- Damaged packaging
- Missing component
- Incorrect dose counter
- Unusual appearance
- Suspected contamination
- Label or packaging problem
Keep the affected product and packaging available when possible.
GSK may ask for the lot number, expiration date and other identifying information so the complaint can be investigated.
Do not return or mail a prescription medicine to a corporate office unless GSK, the dispensing pharmacy or another authorized party gives specific instructions.
GSK Medicine Availability Problems
If a pharmacy cannot obtain a GSK prescription:
- Ask the pharmacy whether the item is temporarily out of stock or unavailable from its wholesaler.
- Ask whether another nearby pharmacy has inventory.
- Contact GSK if clarification about product availability is needed.
- Contact the prescribing healthcare professional when an alternative prescription or medical decision may be necessary.
Do not substitute a medicine, change dosage or stop treatment solely because a customer-service page suggests an alternative.
GSK Prescription Refills
For an ordinary prescription refill:
- Start with the dispensing pharmacy.
- If no refills remain, contact the prescribing healthcare professional.
- If you are enrolled in a GSK assistance program, use the refill process for that program.
GSK for You currently provides a prescription-refill route for qualifying non-vaccine medicines supplied through its programs.
GSK customer service cannot replace the prescribing healthcare professional’s role in issuing a prescription.
GSK Disaster Assistance
Patients affected by a hurricane, flood, wildfire or other natural disaster should first contact:
- Their pharmacy
- The prescribing healthcare professional
- Their insurance company
GSK also provides disaster-response assistance for patients using its medicines.
The general GSK Response Center is:
GSK for You also publishes separate numbers for patients already enrolled in certain assistance programs.
GSK Offices in the United States
GSK currently lists two major U.S. addresses:
Pennsylvania
GSK
2929 Walnut Street
Suite 1700
Philadelphia, PA 19104
North Carolina
GSK
410 Blackwell Street
Durham, NC 27701
These are corporate locations.
Do not mail:
- Prescription medicines
- Inhalers
- Vaccines
- Defective products
- Medical records
to a corporate address unless GSK specifically instructs you to do so.
How to Escalate a GSK Customer Service Complaint
- Call the GSK Customer Response Center at 1-888-825-5249 or use the appropriate online support route.
- Identify the exact GSK product and reason for contacting the company.
- Provide the lot, device or packaging information when the issue involves product quality.
- Ask for a case or reference number when available.
- Keep notes showing the date of contact and requested resolution.
- For a possible side effect, make clear that the communication involves a patient-safety report.
- For an affordability problem, ask whether the product has an applicable GSK for You program.
- If the issue is not resolved, follow up using the existing case number rather than starting over without the prior case information.
If the concern involves an urgent health problem, seek appropriate medical assistance instead of waiting for a customer-service escalation.
GSK Reviews and Complaints
CustomerServiceNumbers.com currently shows no published GSK customer reviews and a 0 out of 5 rating based on zero reviews. There is therefore not enough first-hand CSN feedback to identify a reliable GSK customer-service rating or complaint trend.
The previous version of this page stated that customer reviews often highlighted the effectiveness, safety and availability of GSK products while complaints focused on customer service, side effects and product availability. Those statements were not supported by visible CustomerServiceNumbers.com reviews and should not be presented as findings from this site’s review section.
If you have contacted GSK, useful first-hand review details include:
- The type of support needed
- Whether the issue involved a medicine, vaccine, inhaler or assistance program
- Which GSK support route you used
- Whether you received a case or reference number
- How long it took to receive assistance
- Whether GSK resolved the customer-service issue
A public customer-service review is not the appropriate place to publish detailed medical histories or sensitive health information.
About GSK
GSK, formerly commonly known as GlaxoSmithKline, is a global biopharmaceutical company.
The company describes itself today as a focused biopharma company whose work centers on preventing and treating disease.
Its current U.S. businesses focus on areas including:
- Respiratory, immunology and inflammation
- Oncology
- HIV
- Infectious diseases
- Vaccines
GSK maintains major U.S. operations in Pennsylvania and North Carolina.
Its former Consumer Healthcare business became the independent company Haleon in 2022.
Related Pharmaceutical Customer Service Pages
GSK Customer Service FAQs
What is the GSK customer service phone number?
Patients and caregivers in the United States can call the GSK Customer Response Center at 1-888-825-5249.
What are GSK customer service hours?
GSK currently lists the Customer Response Center as open Monday through Friday from 8:30 a.m. to 5:30 p.m. Eastern time and closed on holidays.
Is 1-888-825-5249 still a current GSK number?
Yes. GSK’s current U.S. Patient Help Center lists 1-888-825-5249 as its Customer Response Center number.
Can I contact GSK online?
Yes. The GSK Patient Help Center currently provides online chat, callback requests, patient-assistance resources, device help and side-effect reporting.
How do I report a possible side effect to GSK?
Call 1-888-825-5249 or use GSK’s online Patient Safety Reporting Form. For a medical emergency, seek immediate medical assistance rather than waiting for GSK customer service.
What is the GSK inhaler support number?
GSK’s current device-support system lists 1-888-530-9988 for certain respiratory-device questions and product-quality concerns.
What is GSK Medical Information’s phone number?
U.S. healthcare professionals can call 1-877-475-6448, or 1-877-GSK-MI4U, Monday through Friday from 8 a.m. to 6 p.m. ET.
What is the GSK Vaccine Service Center phone number?
The current Vaccine Service Center number is 1-866-475-8222. GSK lists its hours as Monday through Friday from 8 a.m. to 6 p.m. ET, closed holidays.
How can I get help paying for a GSK prescription?
Visit GSK for You and search for the exact medicine. Depending on the product and eligibility, resources may include Patient Assistance Programs, copay assistance, coupons, free trials or other access programs.
What is the GSK Patient Assistance Program phone number?
Current GSK program materials list 1-866-728-4368 for the GSK Patient Assistance Program.
Does GSK provide medicines free to qualifying patients?
GSK says its charitable Patient Assistance Programs provide certain medicines and vaccines at no cost to eligible patients. Eligibility and available products vary.
Is Sensodyne still a GSK brand?
Sensodyne was part of the former GSK Consumer Healthcare business. That business separated from GSK in July 2022 and became Haleon. Check current Haleon or Sensodyne support information for consumer-product questions.
Is Advil still owned by GSK?
Advil was part of the former GSK Consumer Healthcare business that became Haleon in 2022. It should not be treated as a current GSK biopharmaceutical product.
Does GSK still make prescription medicines?
Yes. GSK’s current U.S. portfolio includes general medicines and specialty medicines as well as vaccines.
Does GSK make vaccines?
Yes. GSK’s current U.S. portfolio includes vaccines such as Shingrix, Arexvy, Boostrix, Bexsero, Menveo, Havrix, Twinrix and others.
Where is GSK located in the United States?
GSK currently lists U.S. corporate locations at 2929 Walnut Street, Suite 1700, Philadelphia, PA 19104 and 410 Blackwell Street, Durham, NC 27701.
Is GlaxoSmithKline now called GSK?
The company currently brands itself as GSK and describes itself as a focused global biopharmaceutical company. GlaxoSmithKline remains a familiar legacy name and appears in some legal entities, older documents and historical references.
Why Trust CustomerServiceNumbers.com?
CustomerServiceNumbers.com has helped consumers locate customer-service information and share first-hand service experiences since 2004. CSN independently organizes support routes, phone numbers and customer reviews.
CustomerServiceNumbers.com is not affiliated with GSK plc, GlaxoSmithKline LLC, ViiV Healthcare, the GSK Patient Access Programs Foundation or Haleon. Medicine information, assistance-program rules, support hours and product portfolios can change, so verify important health, prescription and patient-assistance information through current GSK resources and appropriate healthcare professionals.
Share Your GSK Customer Service Experience
Have you contacted GSK about a prescription medicine, vaccine, inhaler, device problem, side-effect report, patient-assistance application, medicine availability or another customer-service issue?
Leave a respectful first-hand review below describing the type of support needed, which contact route you used, approximate response time and whether GSK resolved the customer-service issue.
Privacy reminder: Posting a review on CustomerServiceNumbers.com does not contact GSK, report a side effect, apply for patient assistance or communicate with a healthcare professional. Do not post medical records, prescription numbers, dates of birth, insurance information, diagnoses, complete addresses, telephone numbers or private GSK correspondence.
Independent Site Disclaimer: CustomerServiceNumbers.com is an independent consumer-information and review website. It is not affiliated with GSK plc, GlaxoSmithKline LLC, ViiV Healthcare, the GSK Patient Access Programs Foundation or Haleon, and those organizations do not provide customer service through this page.
