Matrix Labs' gabapentin capsules get FDA OK

PITTSBURGH — The Food and Drug Administration has approved a treatment for shingles made by a subsidiary of generic drug maker Mylan.

Mylan announced Monday the approval of Matrix Labs’ gabapentin capsules in the 100-mg, 300-mg and 400-mg strengths. The drug is used to treat postherpetic neuralgia, a painful complication of shingles.

Gabapentin capsules had sales of about $300 million in 2010, according to IMS Health.