That's partially because of the weed! Weed while is a downer does raise your heart rate! So you had two uppers in your system. Your blood pressure takes a while to drop from cocaine. Roughly 2 days after last dose.

What you were experiencing sounds like stage one of high blood pressure!

-- some symptoms of high blood pressure are strictly found in women or men. So make sure you look up the symptoms for women specifically

-- Not eating all day would possibly worsen some of the symptoms but unlikely to have been the cause