Can Allergies Cause Pimples On Your Face And Neck Today? bejo 6909 Share Can Allergies Cause Pimples On Your Face And Neck Today? Whats the deal with back of neck hairline pimples? What could cause ... Sudden “Pimples” on Your Neck: Causes and Solutions » Scary Symptoms Read also: Athletes Are Debating Lactose Intolerance Casein In Protein Bars