Oral and over the counter painkillers can be used for numbing the skin before piercing anywhere. A huge number of people take pharmaceuticals like Advi, Ty lenol before taking piercing. These drugs will marginally help numbing that may quickly revive pain after the piercing is over.
Also to know is, what should I do before I get my nipples pierced?
Don’t arrive drug or alcohol affected. Wear clean, comfortable clothing that is suitable for the piercing e.g know that if you wear a dress for a nipple piercing appointment – it will be coming off! If you want to – arrange for a supportive friend to go with you. Most piercers will allow this.