Prevention with Echinacea extract (Purple coneflower). 10 studies conducted, with 1,822 adults. May prevent only 1 in 10 cold cases. Mild side effects, rash pretty common. Dangerous for people with allergy or asthma, and not recommended for long periods of time.
Avoid this treatment:
It does not prevent cold symptoms in 90% of the cases. In addition, it is not safe for using over extended periods of time (e.g. months and years).
Purple Coneflower (Echinacea purpurea)
healthy Adults, 16 to 65 years old
Varies with preparation. Follow the instruction that come with the product.
Prevention of Common Cold symptoms
May prevents only 1 in 10 cases of Common cold. Does not seem to speed up recovery.
Common side effects include rash, upset stomach, bad taste, sleep problems, nausea and dizziness. Rare side effects may include muscle pain, severe allergic reaction (Anaphylaxis) and increased asthma.
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.
Echinacea extract (alternative medicine)
See answers about other medical treatments here.
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