Headache remedies?

I’ve had a headache for 2 weeks straight. Every single day around 2-3pm it starts, and doesn’t go away until I fall asleep at night. I’ve been taking Tylenol but it literally does nothing. Until I can see a doctor or dentist (I think it could be TMJ related) what are some headache remedies? Is there anything that would work better than tylenol that I can get otc?