Anita Whitlock, 71, said she was left with an open wound for hours and in a wet bed at King's Mill Hospital.
She was admitted for treatment to an abscess but alleges she was ignored by staff and told she was stupid.
Sherwood Forest Hospitals NHS Foundation Trust said it was "very sorry" she was unhappy with her care and was discussing the matter with her.
Ms Whitlock, from Newark, who is disabled and struggled to get in and out of bed after a major operation, said: "I just hated it, hated every minute.
"I told the nurse that my catheter is going to flood - she said 'don't be so stupid'.
Ms Whitlock also said she cried herself to sleep after staff "pushed me down" when helping her use a bedpan.
"I will never, ever go in hospital again, I'll die at home. I'm not going back, no way," she said.
Her carer Gail Weston said she was "furious" about what happened.
"If I wasn't there she wouldn't have eaten, drank or taken her medication because most of the time she couldn't reach it," Ms Weston said.
"One day we waited five hours for a dressing to come from the pharmacy, even though it's on site, so for five hours the wound was left open.
"It's just not acceptable."
In a statement, Phil Bolton, divisional nurse for emergency care and medicine at the trust, said: "We always take concerns about any aspect of patient care seriously.
"Mrs Whitlock has already been in contact with us regarding her care and we are discussing this with her directly."

The Intercontinental Cup loss drops Ireland from first to second in the table with two matches to go, Ireland next playing the Netherlands in August.
The winner of the group will play off against the lowest ranked Test side (currently Zimbabwe) in 2018 for full status.
The three-day loss is only Ireland's third in the 13-year history of the tournament.
Resuming their first innings on 170-7 - still 367 runs in arrears - John Anderson showed the necessary application as he scored an unbeaten 61 from 175 balls.
He has now passed the 50 mark in all five matches he has played in the competition.
He received admirable support from the tail, sharing stands of 43 with Andrew McBrine (18) for the eighth wicket and 41 for the last with Peter Chase (18) as Ireland added 91 to their overnight total.
The determination with which the Irish tail had resisted Afghanistan and leg-spinner Rashid Khan - who failed to add to his five-wicket tally - offered hope the Irish could mount a spirited resistance with the bat.
It was not to be, however, as Mohammed Nabi took six wickets in Ireland's second innings, and teenage leg-spinner Rashid 3-44, leaving both with a match haul of eight wickets apiece.
The dismissals of Anderson and Joyce in the same Nabi over seemed to knock all resistance out of the Irish, with Niall O'Brien and Gary Wilson the joint top scorers with only 15 apiece.
Ireland's next match in the competition is against Netherlands at home in August before they finish with a clash against Scotland in the UAE.
They will now have to rely on results elsewhere - hoping either Hong Kong or UAE can do them a favour - if they are to have any hope of retaining their title and going forward to the Test Challenge.
Before then, they will face England in two one-day internationals at Bristol and Lord's on 5 and 7 May.
A patient says she would rather "die at home" than be cared for at a hospital in Nottinghamshire.
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Ireland's hopes of qualifying for the Test Challenge - and the chance to become a full-member nation of the ICC - suffered a serious blow as they slumped to an innings and 172-run defeat by Afghanistan in Greater Noida.