well, in the worst case there's an infallible remedy invented by a French MD named Joseph-Ignace Guillotin...
Personally, I prefer my (rather strong) headache drops. I take metamizol
, but the substance is a bit risky as some people react allergic to it. Fortunately, I don't.
It's available as pills as well but I prefer the drops because I can then vary the dose, according to the strength of my headache.