What kind of pink pill is 018?

The pink pill imprinted with "018" is identified as Diphenhydramine Hydrochloride 25 mg, an antihistamine commonly used to relieve symptoms of allergy, hay fever, and the common cold. It can help alleviate sneezing, runny nose, itching, and hives, and is also often used as a nighttime sleep aid due to its sedative properties. Always consult a healthcare professional before using any medication.