Vascepa is a prescription medication used to treat high levels of triglycerides in the blood. According to the information provided by Drug Patent Watch [1], Vascepa is currently only available in the United States. There is no information on whether it can be purchased online internationally.

As per the article on Northwest Pharmacy [2], Vascepa is an expensive medication, and the cost is a major concern for patients. However, the article suggests that patients can save money by purchasing generic versions of the medication. It is essential to note that generic versions of Vascepa are not yet available in the United States.

Amarin Corporation [3] is the manufacturer of Vascepa. The company's website provides information about the medication, including its uses, side effects, and dosage information. However, there is no information on whether the medication can be purchased online internationally.

In conclusion, based on the sources provided, it is unclear whether Vascepa can be purchased online internationally. The medication is only available in the United States, and there is no information on whether it can be purchased online from other countries. Patients concerned about the cost of Vascepa may consider purchasing generic versions of the medication or exploring other treatment options.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/VASCEPA
[2] https://www.northwestpharmacy.com/special-features/why-is-vascepa-so-expensive-and-how-to-save-money.aspx
[3] https://amarincorp.com/