I don't want to get carried away and start calling the surgery or 111 or anything, but I do feel a bit odd after taking Sumatriptan 30 minutes ago.
I have weird weakness/heaviness in my arms, and my neck and throat feels really achey and tight. Like I've been hit with a cricket bat!
Airway and breathing feels fine, so I don't think there's any need to get overwrought is there? Probably harmless side effects, they are mentioned on the leaflet.
I am prone to drug allergies, I get respiratory issues with penicillin and nitrafurantoin so I wouldn't be surprised.