Is this pill ip272 an naproxen?

No, the pill imprinted with "IP 272" is not naproxen. It is identified as diphenhydramine hydrochloride 25 mg, which is an antihistamine commonly used to relieve symptoms of Allergies, hay fever, and colds, as well as to aid sleep. Naproxen is a nonsteroidal anti-inflammatory drug (NSAID) used to relieve pain and inflammation. Always consult a healthcare professional for accurate medication identification.