The company is already facing U.S. generic competition for Augmentin, one of the most effective antibiotics currently sold.

FORBES: GlaxoSmithKline Gets Kicked, Plods Forward

Krensavage says the company's profits may suffer significantly from introductions of rival generic versions of Neurontin, an antiseizure drug, and Augmentin, an antibiotic.

FORBES: Drug Test

Glaxo is trying to come up with a new antibiotic to replace its Augmentin but has no new blockbuster on the market yet.

FORBES: Bug Wars

Generic drugmakers won a major round in their battle for sales late Thursday when a U.S. court overturned patents for GlaxoSmithKline 's top-selling antibiotic, Augmentin.

FORBES: Magazine Article

Pfizer's antibiotic, Zithromax, may finally have an edge on GlaxoSmithKline's Augmentin.

FORBES: Magazine Article

Recently a U.S. federal court upheld Ranbaxy's patent challenge against GlaxoSmithKline's Augmentin, a product that augments the unpatented antibiotic amoxicillin with a chemical that attacks a bacterial defense against antibiotics.

FORBES: Copycats No More

The strategy there is much like the one for Paxil: A newer formulation of Augmentin seems to have some advantages over the old standby but is much more expensive than the generic.

FORBES: Magazine Article