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Yesterday, someone at a food court told me that based on his personal experience, orange juice would help with cold because of the vitamin C in it. He had told me that he had drunk a lot of Tropicana juice within a day and that had helped him a lot. I thought of researching on this and that sharing the same here.
Overall, the evidence to date suggests that regular intakes of vitamin C at doses of at least 200 mg/day do not reduce the incidence of the common cold in the general population, but such intakes might be helpful in people exposed to extreme physical exercise or cold environments and those with marginal vitamin C status, such as the elderly and chronic smokers [78-80]. The use of vitamin C supplements might shorten the duration of the common cold and ameliorate symptom severity in the general population [77,80], possibly due to the anti-histamine effect of high-dose vitamin C . However, taking vitamin C after the onset of cold symptoms does not appear to be beneficial .
Antihistamines are a type of medicine that's often used to treat a number of allergic health conditions.
Although antihistamines can't cure these types of conditions because they don't affect the underlying cause, they can often provide considerable symptom relief.