Call Us

We appreciate your interest in GSK. 

Here are a few helpful resources that may have the information you need:

If you cannot find the help you need above, please call us at the appropriate number below:

GSK Medical Information: 1-877-GSK-MI4U (1-877-475-6448)

  • Monday–Friday, 8:00 AM to 6:00 PM ET

ViiV Healthcare Medical Information: 1-888-226-8434

  • Monday–Friday, 8:00 AM to 6:00 PM ET

Vaccine Service Center: 1-866-475-8222

  • Monday–Friday, 8:00 AM to 6:00 PM ET
  • Closed holidays

GSK Customer Response Center: 888-825-5249

  • Monday–Tuesday and Thursday–Friday, 8:30 AM–5:30 PM ET
  • Wednesday, 8:30 AM–4:00 PM ET
  • Closed holidays