More than 40,000 bottles of nasal spray sold nationwide have been recalled over contamination concerns.

Walgreens Saline Nasal Spray with Xylitol in 1.5 ounce bottles could be contaminated with Pseudomonas lactis, according to the Food and Drug Administration. Customers who purchased the products should stop using it immediately and return it to Walgreens.

NDC number for recall is 0363-3114-01 with the following numbers:

Lot No. 71409, expires February 28, 2027Lot No. 71861, expires August 31, 2027

Pseudomonas lactis bacteria can cause a variety of health issues and can be particularly dangerous for those with weakened immune systems or respiratory problems. Symptoms include fever, chills, fatigue, headache, muscle ache, nausea, vomiting, diarrhea and confusion.

The FDA has classified the recall as a Level II, meaning the product could cause temporary or reversible health problems but the risk of serious harm is remote.