Evidence supporting the use of: Marshmallow
For the health condition: Cough (dry)

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Synopsis

Source of validity: Traditional
Rating (out of 5): 3

Marshmallow (Althaea officinalis) root has a long history of use in traditional medicine for soothing dry coughs and throat irritation. Its primary traditional application stems from its high mucilage content—a gel-like substance that can coat and soothe mucous membranes in the respiratory tract. Historical records and herbal texts from ancient Greece, medieval Europe, and traditional Ayurvedic and Unani medicine all reference marshmallow root as a remedy for coughs, sore throats, and bronchial irritation. The mucilage acts as a demulcent, forming a protective layer over irritated tissues, thereby reducing the urge to cough and providing a sense of relief.

While there is limited modern clinical research directly evaluating marshmallow root for dry cough, some laboratory and animal studies support its mucilage’s ability to soothe inflammation and irritation. One small human study and several case reports suggest marshmallow root syrups or lozenges may help alleviate dry, tickly coughs, but these studies are generally low in quality and lack rigorous controls. Modern herbal cough syrups in Europe and some over-the-counter products continue to include marshmallow as a main ingredient, largely based on its traditional use and favorable safety profile. Overall, the evidence is stronger for traditional use than for robust scientific validation, but marshmallow remains a popular and plausible herbal remedy for dry cough symptoms.

More about Marshmallow
More about Cough (dry)

Other ingredients used for Cough (dry)

Acacia
Aconite
Adenophora
Aerva lanata
Agastache
Alcohol
Allium tuberosum
Aloe vera
alpha-pinene
alpinia galangal
ambergris
Anamarrhena
anise
apple
asafoetida
Asam gelugor
Asarum heterotropoides
Asarum sieboldii
atractylodes
atractylone
Baccharoides anthelmintica
bael
balloon flower
banana
Bassia scoparia
bayleaf
bee products
Belamcanda
benegut perilla (proprietary)
Bergenia
bermuda grass
beta-pinene
black currant
black pepper
black salt
black seed
boneset
Bryonia
Buddha\'s hand
burning bush
butternut
cactus
calamus
capsaicin
cat's claw
Chaenomeles lagenaria
Chinese salvia root
cineole
cinnamaldehyde
cinnamon
Cistus
citron
Citrus
Clerodendrum indicum
clove
cowage seed
cowslip
cubeb
Dichrostachys glomerata
diterpenes
dodder
dragonhead
Echinacea
Elder
elderberry
elecampane
ephedrine
fernbush
flavoglycosides
fringed pink
fritillaria
fritillary
fruit
Fumaria parviflora
Gallesia
garlic bulb
ginger
Glehnia littoralis
glehnia root
Glycyrrhetinic acid
Greek mountain tea
green tea
Guava
gum
heartwood
Hedychium spicatum
Hempnettle
honey
honey loquat syrup
hyssop
Ilex
Indian bael
Indian frankincense
Indian tinospora
inula racemosa
Japanese kadsura
Javanese Long Pepper
jujube
Khella
Lactucarium
Large-leaved linden
lemon
licorice root
Ligusticum
Lilium polyphyllum
linden
Lindera
long pepper
loquat
Loranthus
luffa
lungwort
mace
Maidenhair Fern
malabar nut
Marshmallow
Melia
Mentha haplocalyx
Menthol oil
Mucilage
Mullein
Nettle
Nigella seed
Nutmeg
onion
Ophiopogon
ophiopogon root
oregano
Osha
Osmanthus
Palmyra
Paris polyphylla
parsley
pear
Pelargonium
Pepper
Phellodendron
phellodendron amurense
Pimpinella
Piper chaba
pistacia integerrima gall
Platycodon
platycodon root
plum fruit
Polygala
polygala root
polymorpha
pomegranate
poppy
prepared aconite tuber
radish
ravinsara
Rhododendron
Sabadilla
sarsaparilla
Sedanenolide
Sete sangrias
Shogaol
Solanaceae
Stemona
Stephania root
Sundew
sweet flag
Tamarind
Tea
Terpenoids
Theobromine
thyme
Thymol
Thymoquinone
Tonka Bean
Tragacanth
turmeric
Vasicine
Vasicinol
Vasicinone
vitamin C
Vladimiria souliei
Waterhyssop
Wax Gourd
Yerba santa
Zedoary
zhejiang fritillary
Zinc
Zingerone