Canonical authors add a third kind, the mixed interdict, which affects directly and immediately both persons and places; if, for instance, the interdict is issued against a town and its inhabitants, the latter are subject to it, even when they are outside of the town (arg. cap. xvi, De sent. excomm. in VI).
In other words what you have been taking is basically the Thai avamigran combined with an analgesic (pain reliever), a muscle relaxant and an anti-nausea drug. Taking avamigran (Thai) plus a pain reliever plus an anti-nausea med would likely achieve the same thing.
Efavirenz (EFV), sold under the brand names Sustiva among others, is an antiretroviral medication used to treat and prevent HIV/AIDS. It is generally recommended for use with other antiretrovirals. It may be used for prevention after a needlestick injury or other potential exposure. It is sold both by itself and in combination as efavirenz/emtricitabine/tenofovir.