The 60-year-old was ordered by doctors to remain immobile in a hospital bed with fractured vertebrae and a broken rib after falling from a hoist raising him to the stage at a rally just days before the May 11 general election.
PTI spokesperson Shireen Mazari said the former cricket star was feeling better and had managed to walk in hospital.
"Imran Khan will be discharged from hospital Wednesday," Mazari told AFP. "I have just talked to Imran Khan who told me that he will be going home tomorrow."
Khwaja Nazir, spokesperson for Shaukat Khanum Memorial Hospital, where Khan has been treated, confirmed that the PTI chief would be moving home on Wednesday.
"He has already worn a brace around his back, which he will have to use for four to six weeks," Nazir said.
Khan electrified much of the campaign with his calls for reform and galvanised many young people to take part for the first time.
The election was won by the Pakistan Muslim League - Nawaz of former prime minister Nawaz Sharif, but the PTI scored a major breakthrough, finishing in third place with 28 national assembly seats, according to partial results.
President Asif Ali Zardari also called Imran on Tuesday to enquire about his health, reported Express News.
COMMENTS (24)
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Sher khan is about to rise...
Long Live the Khan. Amen!
The big Tamasha is finally coming to an end.
@MAD: if u care for his safety then dont ask him to go to KHI...beware of namaloom afrad.......
Waiting to greet you in Karachi sir and NO ONE can stop you from coming here.
The nation needs you and is praying hard for you!
Great news indeed! Praying for your full and speedy recovery!
It's a good news for the fans of Imran Khan..!!! May he has speedy recovery
Welcome back Champ!
Wishing you a swift recovery and praying for your good health, Imran Khan !
Get well soon sir!!!
Live long,
Long Live Imran Khan - Long Live Pakistan
wish him a speedy recovery - ameen!
we need you in field Sir, leading us.
Get Well Soon Khan sahib, we badly need you.
Get well soon Friend'eh!!!
May Allah give our leader the great captain Imran Khan a speedy & full recovery. Ameen.
Welcome Back.....IK. we missed you
Welcome Back Kaptan, Pakistan needs you.
Glad to hear this. We wish him better health as he has a country to reform!
Good to hear that Imran Khan will be discharge from hospital tomorrow. I wish him best of luck for strong opposition in Sindh and Punjab as well as strong government in KPK..
May ALLAH bless IMRAN KHAN with health and strength to lead PTI AMEEN
Good News !!!! your supporters desperately need you...