Evidence supporting the use of: Garlic bulb
For the health condition: Colds (with fever)

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Garlic (Allium sativum) has a long history of use in traditional medicine across cultures, including for the treatment and prevention of colds and fevers. Folk medicine systems, especially in Asia and Europe, have used garlic as a remedy for respiratory ailments, attributing its benefits to its pungent compounds such as allicin. Traditionally, garlic bulbs are consumed raw, infused in teas, or added to foods to "ward off" illness and promote sweating, which was believed to reduce fever.

From a scientific perspective, some laboratory studies have demonstrated that garlic has antimicrobial, antiviral, and immune-modulating properties, largely due to sulfur-containing compounds like allicin. A few small randomized controlled trials have suggested that garlic supplementation may modestly reduce the incidence or duration of the common cold. However, the evidence remains limited and results are not entirely consistent; most studies are small, have methodological limitations, or show only a mild effect. There is little direct evidence specifically addressing garlic's effect on colds accompanied by fever. As such, while its use is justified by centuries of tradition and some preliminary scientific findings, robust clinical validation is lacking, and its effect size is likely modest. Nonetheless, garlic remains a popular folk remedy for colds in many cultures.

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alpinia galangal
Amomum
Amor seco
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andrographolide
anthocyanins
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Ardisia
Asam gelugor
Asarum heterotropoides
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Asteraceae
atractylone
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Baccharoides anthelmintica
bael
Baikal Skullcap
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bayleaf
bee products
bermuda grass
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bishop\'s weed
bitter grass
black cumin
black currant
black galingale
black nightshade
blackboard tree
blueberry
boxthorne
buckthorn
bur-reed
capillary artemisia
capsaicinoids
Celosia
chamomile
Chinese raisintree
chrysophanics
cinnamaldehyde
Cistus
clove
coconut milk
common madia
cowage seed
cowherb
dragonhead
Eclipta
elderberry
flavoglycosides
forsythia
fruit
gamma-terpinene
garlic bulb
ginger
Glechoma hederacea
Gnaphalium
grape
green chiretta
green tea
hemp
honey
Horsemint
hyacinth bean
Indian fagonia
indigo leaves
Isatis
isoquinoline alkaloids
Laggera pterodonta
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Lewis's monkey flower
licorice root
Ligusticum
linalool
little ironweed
lodhtree
long pepper
luffa
mallow
Melia
Monoterpenes
Mugwort
Mushroom
nut grass
Onosma bracteatum
Oroxylum indicum
Oxystelma
Pansit-pansitan
Paris polyphylla
pear
Peucedanum
Phenylpropanoids
Piper nigrum
pistacia integerrima gall
plantain
pomegranate
quercetin
rhizome
rosemary
sage
Salvia
Scabrous Gentian
Sesbania
Sesquiterpenes
Shogaol
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Smartweed
Solanaceae
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sweet flag
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thyme
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vitamin C
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