Mydropstop.us accepts various types of coupons. These include promo codes, which can be used to get discounts on purchases from the site. There are also seasonal discount codes that are frequently active at certain times of the year. Additionally, there are site-wide discount codes that unlock discounts on all items across the online store. Email coupon promo codes are also accepted, but these are good for only one purchase. Lastly, there are special offers and discounts for new customers. Please note that these details might change over time, so it's always a good idea to check the website for the most current information.