An increase in the severity of the signs or symptoms of a disease.
An increase in the severity of a disease or aggravation of its symptoms.
The fact of making a condition worse.
A period when a condition becomes worse.
Increase in the seriousness of a disease or disorder, usually marked by a worsening of the symptoms.
Increase in symptoms or severity of disease.
Aggravation of symptoms or increase in the severity of a disease.
The appearance of new symptoms or the aggravation of old ones, lasting at least 24 hours (synonymous with attack, relapse, flare-up, or worsening); usually associated with inflammation and demyelination in the brain or spinal cord.