Spells:

Spell

Banishing cramps

The best ‘lil spell

Spell bottle

Bath ritual

Anti-migraine spell

Emoji spell to keep it from popping up at inconvenient times

Sigils:

Keep pain away

Relief from cramps

Stop cramps

My period is not painful

My period is easy

I do not have my period

Teas: 

(Please research herbs before using them, not all the posts are very informative about all the effects herbs may have! ESPECIALLY if you’re on meds.)

Tea

For cramps

Also for cramps

A collection

Some helpful herbs

Soothing tea

Some more helpful herbs

Some helpful PSAs on herbs

Other:

Taking advantage of your period

Menstrual magic

More menstrual magic

Crystals to help

Witchy period hacks

An earlier version of this post (with mundane tips)

Mundane tips:

General tips

More tips

I really like this list

Gender magic (with a section on dysphoria) 

Menstruation Dysphoria Tea

“Fuck off, period dysphoria” sigil

Other posts that may be helpful!

Chronic migraine relief

Sick Witchery

Bedridden witch series

Magic to Replenish Energy

Researching herb safety (side effects, medication interactions, etc.)