Darvocet is mainly used as a pain relief agent for mild to moderate pain with or without pain. It comes in three dose variants like 50mg, 100mg and 500mg. You can now buy Darvocet online even without  prescription. It has mainly two active ingredients propoxyphen and acetaminophen. Due to this it sometimes shows some side effects like slow breath,chest pain and visual impairment etc. you will get upto 20% discounts through every online purchase.