cough syrup
Generic children's cough syrup in several pharmacies has been recalled nationwide. Pictured: Cold medicines are offered for sale at a retail store in 2006 in Chicago. Getty Images

Perrigo Co., a pharmaceuticals maker, expanded its recall of generic children's cough syrup Tuesday to include products sold in CVS pharmacies in addition to several other name-brand pharmacies worldwide. The recall was issued over an incorrectly manufactured dosage cup that could lead to an overdose. Here's a list of the products affected and how to find out if you're entitled to a refund.

The following generic pharmacy liquid children's cough syrups were affected, with their respective lot numbers and expiration dates, according to a statement released by Perrigo. From CVS, lots 5LK0592 and 5MK0340, expiring August 2017, as well as lot 5LK0630, expiring March 2017, were affected.

Liquid cherry cough syrup at Sunmark lots 5LK0528 and 5LK0630, expiring March 2017, along with Rite-Aid's 5LK0528, 5LK0630, Topcare's 5LK0528, 5LK0630 and 5LK0779 — all expiring March 2017 — are being recalled. Kroger lots 5LK0528 and 5LK0630, GoodSense’s lot 5LK0528, Dollar General's 5LK0630 and Care One's 5LK0630 — all expiring March 2017 — were also included in the list.

Consumers suspecting they may have bought a product affected by the recall can register through Perrigo’s recall website here and will receive a refund check within three to five days, a customer service representative said Tuesday.

The voluntary recall is being conducted with the knowledge of the Food and Drug Administration. While the dosage error was first discovered by Stop and Shop’s Care One pharmacy, the extent of the affected products soon spread, according to Boston's WCVB news, an ABC affiliate.

"Use of these products according to labeled instructions with an affected dosing cup is unlikely to result in serious side effects, and no reports related to overdose have been received to date,” a statement from Perrigo read. “Consumers should be aware that an overdose of guaifenesin DM may cause hyperexcitability, rapid eye movements, changes in muscle reflexes, ataxia, dystonia, hallucinations, stupor and coma," the same statement warned.

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