Prevention with Vitamin C supplement (Ascorbic acid tablets). 4 valid study conducted, with 1,691 children. Prevents only 1 in 236 Common Cold cases, or less. May slightly reduce severity of cold and speed up recovery. Seems safe.
Do not use this treatment:
It does not prevent cold symptoms in 99.6% of the cases. The treatment seems safe but pointless.
Any excess of Vitamin C (Ascorbic acid) is evacuated from our body through the urine. This makes vitamin C pretty safe even in high dosages.
Ascorbic Acid tablets
healthy Children, 2 to 16 years old
Daily dosage of 0.2 gram per day, or more (adjusted to age, gender and body weight).
Prevention of Common Cold symptoms
Prevents only 1 in 236 cases of Common cold. Speeds up recovery by 14%, and may reduce the severity of colds.
0.2-2 gram of Vitamin C per day seems safe for healthy children and has no side effects. Doctor consultation is needed for diabetic children, or when in-taking iron (since Vitamin C increases iron absorption).
Common Cold (symptoms caused by viral infection of the upper respiratory system).
Symptoms and signs:
Cough, general discomfort, headache, runny nose, sneezing, sore throat, stuffy nose and weakness.
Bacterial infections: lung infection, middle ear infection, strep throat, sinus infection.
Vitamin C (supplement)
See answers about other medical treatments here.
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