According to the U.S. Food and Drug Administration, a pharmaceutical company called King Bio is voluntarily recalling 32 of its children’s medications because of potential contamination.

Apparently, a small percentage of products made between August 2017 and April of this year have tested positive for “microbial contamination.”

Here are the affected products: Chicken Pox Symptom Relief, Children’s Appetite & Weight, Children’s Appetite Enhance, Children’s Cough Relief, Children’s Fever Reliever, Children’s Growth & Development. DK Newborn Tonic, DK Nosebleed Relief, TonsilPlex, and DK Attention & Learning Enh.

If you have questions about the recall can contact King Bio at: recall@kingbio.com or at 866-298-2740.