Hello,
I have studied your case.
There is possibility of muscle partial tear or associated muscle
sprain.
You can take ice fomentation, rest, compression and see for relief.
You can take
analgesic available with you.
If no relief then you need to consult your doctor, he may advise
x ray,
ultrasound or MRI hip with thigh.
Drinking plenty of fluids to avoid dehydration
Passive Stretching your leg muscles may help.
Take diet rich in calcium and potassium.
Check your vit B12 and Vit D 3 levels.
You can consult physiotherapist for help.
Physiotherapy like ultrasound and interferential therapy will give quick relief.
If swelling increases then you may need to further investigate.
Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries.
Wishing you good health.
Take care.