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Zinc may help shorten the length and severity of a cold—and some even think it can prevent them. Experts weigh in and dispel any myths.
Zinc products promising cold relief have been on the market for decades. A new analysis finds research on their efficacy to be inconclusive. Do zinc products really help shorten a cold?
Zinc lozenges were associated with a reduction in cold duration, but the evidence was of low certainty and varied across studies. [2] A 2022 review observed that zinc lozenges may reduce cold duration, but the effect on symptom severity and cold prevention was minimal. The review highlighted that zinc's effect varied depending on the initial ...
There is some evidence that taking zinc might shorten the length of cold symptoms if taken within the first 24 hours, reports the Mayo Clinic. “As far as supplemental zinc, there is some ...
Zinc gluconate has been used in lozenges for treating the common cold. However, controlled trials with lozenges which include zinc acetate have found it has the greatest effect on the duration of colds. [3] [4] Zinc has also been administered nasally for treating the common cold, but has been reported to cause anosmia in some cases. [5] [6] [7] [8]
The common cold or the cold is a viral infectious disease of the upper respiratory tract that primarily affects the respiratory mucosa of the nose, throat, sinuses, and larynx. [ 6 ] [ 8 ] Signs and symptoms may appear in as little as two days after exposure to the virus. [ 6 ]
Researchers say zinc won't help prevent you from coming down with a cold, but it may help shorten symptoms by a few days.
A World Health Organization infographic that states that hydroxychloroquine does not prevent illness or death from COVID-19. Chloroquine and hydroxychloroquine are anti-malarial medications also used against some auto-immune diseases. [1] Chloroquine, along with hydroxychloroquine, was an early experimental treatment for COVID-19. [2]