My monthly mood swings are ruining my relationship

DEAR DEIDRE: MONTHLY mood swings are ruining my relationship.

I have a condition called PMDD, which makes me emotional and irritable around my periods. My boyfriend doesn’t understand, and we keep arguing.

I’m 19 and have had PMDD for a few years. It makes me feel depressed and anxious for more than a week before my period starts. 

My boyfriend is 20. We’ve been together for nine months.

Sometimes I get so angry I struggle to control my temper and even throw things.