GlaxoSmithKline Customer Support

We list here the ways to contact GlaxoSmithKline. GlaxoSmithKline customer service is available on various channels and platforms.

Contact Channels:

GlaxoSmithKline Customer Service – Phone

GlaxoSmithKline customer service phone number: 888-825-5249.

Customer service operating hours: Monday-Friday: 08:30-17:30 ET.

Additional phone numbers:

GSK Pharmaceutical and Vaccine products: 888-825-5249
GSK Consumer Healthcare Products: 800-245-1040

GlaxoSmithKline Customer Service – Website

Visit the GlaxoSmithKline site – knowledge base, FAQ, contact form and self service options: Click here.

GlaxoSmithKline Customer Service – Email

– No customer care email was published.

GlaxoSmithKline Customer Service – Twitter

Customer service on GlaxoSmithKline Twitter account: click here.

GlaxoSmithKline Customer Service – Facebook

Customers can contact GlaxoSmithKline on the company’s official Facebook page: Click here.

GlaxoSmithKline Customer Service – Chat

– No customer service by chat.

GlaxoSmithKline Customer Service – Address

The postal address of GlaxoSmithKline customer service or head office: Philadelphia Navy Yard
5 Crescent Drive
PA 19112.


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