Different types of Ambien products are present like Ambien 10mg, 5mg etc. It is important to know about Ambien before you buy Ambien 5 mg online. The prescribed dose of the medicine received along with its prescription when bought online depends on the time the drug is taken, the quantity of the dose of the Ambien is (5mg and 10mg), and some other details that are mentioned in the prescription to order online.