The phrase "a single symptom of" is correct and usable in written English.
It can be used when discussing a specific indication or sign of a larger issue or condition.
Example: "The persistent headache was a single symptom of a more serious underlying health problem."
Alternatives: "one indication of" or "a solitary sign of".
Most women cannot name a single symptom of ovarian cancer.
The officials also requested that anyone suffering from even a single symptom of SARS, including a fever or body aches, should stay home over the holiday weekend.
Bonanno et al. [ 14] conceptualize resilience as the absence of PTSD symptoms or the presence of a single symptom of PTSD.
Even a single symptom of ADHD or conduct disorder (CD) may be associated with an increased risk for SUD [ 35]: hyperactivity symptoms uniquely contributed to subsequent initiation of all types of substance use, to nicotine dependence, and cannabis abuse/dependence, even after controlling for CD, whereas impulsivity predicted alcohol misuse [ 36].
Eleven studies assessed interventions which focused on a single symptom or type of childhood illness alone (such as fever, febrile convulsions, respiratory tract infection, otitis media), while 10 provided information on a range of different childhood illnesses.
The earliest clinical presentation of RRMS is the clinically isolated syndrome (CIS), that is, a single attack of a single symptom.
It also identified factors influencing the operational decision on the presence of a single symptom.
Sixteen included data on breathlessness [ 135- 149] while the others assessed breathlessness as part of a single symptom score.
These reports have been based on measurements of a single symptom such as depression [ 8] fatigue [ 9], sleep disorder [ 10] or pain [ 11].
He was going to be admitted to hospital without a single symptom that would betray the urgency of his condition, with no discomfort beyond the frivolous pain in the pit of his stomach, and all because of an incriminating catheter.
It is distinguished not by a single symptom, but by a characteristic triad of symptoms: impairments in social interaction; impairments in communication; and restricted interests and repetitive behavior.
