The phrase "and had a severe" is correct and usable in written English.
It can be used when describing a condition or situation that is serious or intense, often in a medical or emotional context.
Example: "She was diagnosed with a rare illness and had a severe reaction to the treatment."
Alternatives: "and experienced a serious" or "and suffered a significant".
He had been stripped naked and had a severe wound to the head.
Gallagher, who suffered from emphysema and had a severe weight problem, gave up drawing Heathcliff some years ago, turning it over to his nephew Peter.
I've struggled with clinical depression since I was kid, and had a severe episode in 2017, when I became as sick as I'd ever been.
Mr. Bellantoni said Mrs. Huntington, who was 56 when she died in June 1794, was about 5 feet 7 inches tall and had a severe arthritic condition in her knees and a bone spur on her right ankle.
The majority of the patients were single (66%), students (46%) and had a severe disability (46% MIDAS grade IV).
Then they determined he was profoundly deaf and had a severe balance disorder that delayed his ability to walk.
Simon Greenwood is 29 and has a severe learning disability and autism.
The final complainant, Mr KD, is 50 years old and has a severe acquired brain injury, most likely as a result of petrol and alcohol abuse.
Troicki refused to take a blood test at the Monte Carlo Masters in April because he was feeling unwell and has a severe phobia of needles.
The United States is the only industrialized country without universal paid maternity leave, she noted, and has a severe shortage of affordable high-quality child care and flexible working arrangements.
If the veteran served on active duty during the Post-9/11 Global Operations period and has a severe disability (as determined by the Secretary for purposes of this clause) incurred or aggravated in such service.
