Most likely you have injured ankle ligaments.There are 3 grades of ankle sprains-Grade 1 heals in 2 weeks grade 2 in 4-6 weeks Grade 3 8-12 weeks.
The type of initial care you received is another important factor in your healing time. If ankle sprains are not treated correctly they can cause further issues and a chance of injury
again is high. The best way to treat ankle sprains is to follow the RICE technique as well as any advice from your physician. Both of these will help reduce your recovery time if followed correctly.RICE is Rest, Ice ,compression, Elevate.
Consult your doctor if symptoms worsen, ankle feels numb,Bones feel loose.