Hi, I inject 10 mg E weekly intramuscularly weekly in my upper outer thigh, and for the past three weeks Ive been getting dull pain/tightness in my chest each time after I inject which would last for about 2 days, along with some mild leg cramping. It's a bit weird to me considering I've been doing injections for so long but never got this symptom until recently. Is this anything to worry about?

Also I've been noticing I've been getting hornier lately and had some intense stomach cramps for about a week around the same time these chest pains started, but those could be unrelated.