Your symptoms and history suggest:
1. Testicular torsion.
2. Groin/thigh strain.
3. Less likely hernia.
4. Avulsion fractures of lesser tochanter.(also common)
Next Steps
do not delay and visit a general surgeon urgently. Also consult Orthopaedic Surgeon.
x-ray of affected will also help rule out avulsion fractures.
Health Tips
torsion testis meat damage testis function.