Bot Med - Respiratory Flashcards
What is the common cold?
Viral infection (typically rhinoviruses and coronaviruses) of the upper respiratory tract presenting with: • runny nose (rhinitis) • sore-throat • cough
herbal actions to treat the common cold?
- adaptogen
- immunostimulants
- antimicrobrials
herbs useful for treatment of common cold?
- purple cone flower (Echinacea angustifolium)
* goldenseal (Hydrastis canadensis)
What increases the risk of infection (common cold)?
Stress - decreases immune function and increases the risk of infection.
What does an adaptogen do?
Increases the ability of the body to cope with stress and prevent infection.
In TCM what do adaptogenic herbs nourish? (why?)
- lung (immunomodulating, anticancer)
- spleen (stomachic)
- kidneys (aphrodisiac)
- heart (sedative)
when would one use an adaptogenic herb?
- stress
* prevent colds & flus
what is the most important adaptogenic lung tonic?
Huang Qi (Astragalus membranaceus)
What does Huang qi (Astragalus membranaceus: Astragalus propinquus) do?
increases the ability of the body to cope with stress.
what are the actions of Huang qi?
- adaptogen
- immunomodulating / immunostimulating
- antiviral
when would one use Huang qi? (think TCM)
Used as a lung and spleen tonic in TCM formulas for: • stress • colds & flu prevention • fatigue • cancer
What is the “change of season soup”?
classic formula taken to prevent illness in the
spring and fall
• Huang Qi (Astragalus membranaceus) root
• Dang Shen (Codonopsis pilosula) root
• Chinese yam (Dioscorea spp.) root
• Golgi or Lycii berries (Lycium barbarum)
What is a caution regarding huang qi?
Contra-indicated during an acute infections.
What is an immunostimulant?
Stimulates the immune system to increase the body’s ability to combat
infection.
When would one use an immunostimulant?
infection
cancer
what herbs contain immunostimulant properties?
- purple cone flower (Echinacea angustifolium )
* Canadian ginseng (Panax quinquifoloim) = ColdFx
What are the actions of purple cone flower (echinacea angustifolium)
- immunostimulant
* antiinflammatory
when would one use purple cone flower?
- infections
* cancer
what are the phytochemicals in purple cone flower?
- echinoside (e.g. phenylpropanoids glycosides)
- alkylamides
- polysaccharides
The phytochemicals in purple cone flower stimulate what…
alkylamides?
carbohydrates?
• alkylamides - stimulate cannabinoid type 2 (CB2)
• carbohydrates - stimulate the immune system through different
mechanisms.
What does an antimicrobial do?
• alkylamides - stimulate cannabinoid type 2 (CB2)
• carbohydrates - stimulate the immune system through different
mechanisms.
When would one use an antimicrobial?
respiratory tract infection
what phytochemicals are present in antimicrobials?
- essential oils
- monterpenes
- sesquiterpenes
- triterpenes
- napthoquinone
- anthraquinones
what are the actions of goldenseal (hydrastis canadensis?
- antimicrobial
- antibacterial
- antiviral
- antiparasitic
- antifungal
- bitter
when would one use goldenseal?
- respiratory tract infecitons
- gastrointestinal infection
- dermatologic infections
what are the phytochemicals present in goldenseal?
- Isoquinoline alkaloids (e.g. berberine, hydrastine)
* flavolignins
Comment on the phytochemicals within goldenseal. What appears to be significant about flavolignans?
Flavolignins appear to inhibit MDR pumps and enhance the antimicrobial
action of berberine.
What is influenza?
viral infection (RNA viruses) with a similar presentation to the common
cold (runny nose, sore throat, cough) but with pronounced:
• fever
• body aches
what herbal actions are useful in treating influenza?
- antimicrobial
- antiviral
- antiaderance
- immunostimulant
what herbs are useful in treating influenza?
- elder (Sambucus canadensis; S. nigra)
- goldenseal (Hydrastis canadensis)
- licorice (Glycherrhiza glabra)
- purple cone flower (Echinacea purpurea)
- boneset (Eupatorium perfoliatum)
- lomatium (Lomatium dissectum)
what does an antiviral do?
Inhibits the growth of viruses
what herbs posses antiviral properties?
- lomatium (Lomatium dissectum)
- licorice (Glycherrhiza glabra)
- elder (Sambucus canadensis; Sabucus. nigra)
- goldenseal (Hydrastis canadensis)
- boneset (Eupatorium perfoliatum)
what phytochemicals are in antivirals?
- lomatium (Lomatium dissectum)
- licorice (Glycherrhiza glabra)
- elder (Sambucus canadensis; Sabucus. nigra)
- goldenseal (Hydrastis canadensis)
- boneset (Eupatorium perfoliatum)
What are the actions of Lomatium (Lomatium dissectum)?
- antiviral
- expectorant
- antispasmodic
- immunostimulant
when would one use lomatium?
- viral infections
* respiratory tract infections (colds, influenza, bronchitis, pneumonia)
what phytochemicals are in lomatium?
- coumarins
- pthalides
- essential oils
Caution regarding lomatium?
Lomatium rash: occurs in roughly 5-10% of patients who consume the
herb for roughly 5-10 days.
comment regarding lomatium and research?
Limited research by traditionally used during influenza pandmics
What are the actions of boneset (eupatorium perfoliatum)?
- antimicrobial
- antiviral
- febrifuge
- diaphoretic
- immunostimulant
when would one use boneset?
Respiratory
• acute febrile respiratory infections with cough, especially when
associated with deep muscle and bone pain
• influenza
• acute bronchitis
• measles
• common cold
What are the phytochemicals of boneset?
- terpenoids (esp. sesquiterpene lactones)
- polysaccharides
- flavonoids
- essential oil
What does a febrifuge (antipyretic) do?
Reduces fever.
when would one use a febrifuge?
infections causing fever including:
• virus (flus, SARS, dengue fever)
• parasites (malaria)
• bacteria (rheumatic fever)
What does a diaphoretic do?
Stimulates perspiration and reduces fever.
when would one use a diaphoretic?
- fever
- colds and flus
- detoxification
what herbs have diaphoretic properties?
- elder (Sambucus canadensis; Sabucus. nigra)
- cayenne (Capsicum frutescens)
- ephedra (Ephedra sinica)
What does an antiadherance do?
Prevents the adherence of bacteria or viruses to the mucous membranes.
when would one use an antiadherant?
- influenza
- urinary tract infections
- gingivitis
what phytochemicals are in antiadherants?
- tannins
* carbohydrates
What are the actions of Elder (sambucus canadensis; sabucuc. nigra)?
- antiadherance
- antiviral
- diaphoretic
- astringent
when would one use elder?
- upper respiratory tract infections (flower)
- colds
- influenza
- sinusitis
what are the phytochemicals in elder?
- flavonoids
- anthocyanins
- tannins
Caution regarding elder?
Cyanogenic glycosides - found in the bark, leaves and unripe fruit can
cause severe vomiting and diarrhea. Heat will destroy it.
What is laryngitis?
inflammation or irritation of the larynx often causing hoarse or loss of
voice
what herbal action would be useful for treating laryngitis?
demulcent
what herbs would be useful in treating laryngitis?
- slippery elm (Ulmus rubra)
* marshmallow (Althea officinalis)
what is a common cause of laryngitis?
Gastroesophageal reflux disorder (GERD)
what does a demuclent do?
Increases the the production of mucous in the respiratory tract thereby
moistening and protecting the lungs and reducing cough.
when would one use a demulcent?
- sore throat
- laryngitis
- Dry cough
what herbs have demulcent properties?
- mullein (Verbascum thapsus)
- colt’s foot
- marshmallow (Althaea officinalis)
- licorice (Glycherrhiza glabra)
- slippery elm (Ulmus rubra)
What are the actions of slippery elm (ulmus rubra)?
demulcent
when would one use slippery elm?
- sore throat
- laryngitis
- hoarseness of voice
- singer’s nodes (vocal nodes)
what is the phytochemical of slippery elm?
mucilage
comment on what slippery elm is used for?
used for for irritation in the ailmentary tract rather than the lungs
what is a cough?
forced exhalation, which is often an involuntary reflex, in an attempt to
remove an irritating agent, mucous and/or phlegm from the lungs or throat.
• dry cough (non-productive) - no sputum
• wet cough (productive) - lots of phlegm (respiratory catarrh)
what herbal actions are useful in treating coughs?
- antitussive
- cough suppresant
- demulcent
- expectorant
What is an antitussive do?
relieves coughing
what can coughs be treated by?
- demulcents
- expectorants
- cough suppressants
when would one use an antitussive?
- dry coughs
* wet coughs
what herbs contain antitussive properties?
- mullein (Verbascum thapsus)
- colt’s foot (Tussilago farfara)
- wild black cherry (Prunus serotina)
- opium Poppy (Papaver somniferum)
What actions does mullein (verbascum thapsus) have?
- antitussive
- demulcent
- expectorant
when would one use mullein?
- lung irritation
- dry cough
- bronchitis
- asthma
what are the phytochemicals contained in mullein?
- Mucilage
- Saponins
- Flavonoids
- Essential oils
what are the actions of colt’s foor (tussilago farfara)?
- antitussive
- demulcent
- expectorant
when would one use colt’s foot?
- dry cough
- bronchitis
- asthma
what are the phytochemicals contained in colt’s foot?
- Mucilage
- Tannins
- Triterpenoids (faradiol, arnidiol)
- Volatile oils
- Flavonoids
- Essential oils
- Pyrrolizidine alkaloids
caution regarding colt’s foot?
Pyrrolizidine alkaloids - avoid high amounts and chronic use
what does a cough suppressant do?
Antitussive that Inhibits the cough reflex
what is the action of cough suppressants?
antitussive
when would one use a cough suppressant?
Dry cough
Spastic cough
what herbs are good cough suppressants?
- Wild black cherry (Prunus serotina)
- Cacao (Theobroma cacao)
- Opium Poppy (Papaver somniferum)
comment on opiates and theobromine regarding cough suppressants?
- opiates - strong cough suppresants used in the past (but highly addictive)
- theobromine (methylxanthine) - may be an effective cough suppressant
caution regarding cough suppressants?
Should be used with caution in wet “productive” cough.
action of wild black cherry (prunus serotina)?
antitussive
• cough suppressant
when would one use wild black cherry?
- spasmodic cough
* dry, unproductive cough
phytochemical in wild black cherry?
Cyanogenic glycosides (e.g. prunasin) - bark
comment on cyanide (phytochemical within wild black cherry)?
Cyanide binds to peripheral chemoreceptors on the phrenic nerve inhibiting
the action of muscles involved in respiration and preventing coughing
cautions regarding wild black cherry?
• Wet Coughs: use with caution
• Toxicity - Hydrogen cyanide - 300 ppm kills a human in minutes. Inhibits
cellular respiration (electron transport chain). A tincture contains obviously
very very small amounts.
What are bronchitis, pneumonia & croup?
• when respiratory tract infections descend into the bronchioles and lungs.
• typically associated with lots of phlegm (i.e. respiratory catarrh) and
difficulty breathing
herbal actions useful in treating bronchitis, pneumonia & croup?
- antimicrobial
- immunostimulant
- diaphoretic
- expectorants
- antispasmodic
- bronchodialators
- antitussive
What does an expectorant do?
A substance that facilitates the expulsion of phlegm from the lungs.
when would one use an expectorant?
- wet cough
- bronchitis
- asthma
what herbs have expectorant properties?
- Indian tobacco (Lobelia inflata)
- Blue Gum, (Eucalyptus globulus)
- Licorice (Glycyrrhiza glabra)
- Horehound (Marrubium vulgare)
- Mullein (Verbascum thapsus)
- Colt’s foot (Tussilago farfara)
what are the phytochemicals of expectorants?
- saponins
- essential oils
- mucilage
- alkaloids
Actions of Elecampane (inula helenium)?
- expectorant
- antitussive
- antimicrobial
- bitter
- anthelmintic
when would one use elecampane?
- chronic wet coughs
- bronchitis
- emphysema
- asthma
what are the phytochemicals in elecampane?
- sesquiterpene lactones (e.g. alantolactones)
- essential oils
- mucilage
used in formulas or alone?
in formulas, rarely alone
actions of eucapyptus (eucalyptus globulus)?
- expectorant
- antispasmodic
- antiseptic
- antimicrobial
when would one use eucalyptus?
- productive coughs (orally or steam inhalation)
- colds
- bronchitis
- asthma
what are the phytochemicals in eucalyptus?
- Volatile oils
* Monoterpenes (Eucalyptol)
actions of licorice (glycherrhiza glabra)?
- expectorant
- antiviral
- demulcent
when would would use licorice?
- influenza
- bronchitis
- severe acute respiratory syndrome (SARS)
phytochemicals of licorice?
- saponins (Glycyrrhizin)
* triterpenoid glycoside (glycyrrhizinic acid, glycyrrhetinic acid)
another action of licorice in regards to mucous?
Increases mucouse production - glycyrrhetinic acid inhibits the breakdown
of prostaglandin PGE-2 and PGF-2α.
caution regarding licorice?
- Blood pressure
* Pregnancy & lactation
Actions of white horehound (marrubium vulgare)?
- expectorant
- antispasmodic
- bitter
when would one use white horehound?
- wet cough
- bronchitis
- asthma
phytochemicals of white horehound?
Marrubiin is also found in hyssop (Hyssopus officinalis).
Other than white horehound, where is marrubin found?
Pregnancy: Use with caution. Mild emmenagogue properties.
caution regarding white horehound?
- expectorant
- emetic
- antispasmodic
actions of indian tobacco (lobelia inflata)?
- asthma
- bronchitis
- pneumonia
when would one use indian tobacco?
lobeline (piperidine alkaloids)
phytochemical of indian tobacco?
Stronger expectorant with narrower therapeutic than the others discussed.
comment on indian tobacco regarding expectorant strength and therapeutic index?
- High doses: Nausea and vomiting.
- Pregnancy & lactation: Avoid use.
- Caution: Heart disease, severe atherosclerosis, tachycardia, arrhythmias
what does an antispasmodic do?
Relieves spasms of smooth muscles.
when would one use an antispasmodic?
- laboured breathing
- spastic cough
- bronchitis
- whooping cough
- croup
- asthma
herbs that have antispasmodic properties?
- horehound (Marrubium vulgare)
- thyme (Thymus vulgaris)
- red clover (Trifolium pretense)
phytochemicals on antispasmodics?
- flavonoids
- essential oil
- diterpenoids
actions of thyme (thymus vulgaris)
- antitussive
- antispasmodic
- expectorant
- antimicrobial
when would one use thyme?
Infections associated with copious mucous, bronchial constriction and spasmodic cough • bronchitis, pneumonia • croup • pertussis
phytochemicals of thyme?
- Essential oils
- Monoterpenes (thymol, carvacrol)
- Flavonoids
Caution regarding thyme?
Thyme is an important spasmolytic for tracheal while peppermint is the
choice for the intestines
Actions of red clover (trifolium pretense)?
- antispasmodic
- expectorant
- antitussive
- alterative
when would one use red clover?
- spasmodic cough
- pertussis (whooping cough)
- bronchitis
- pneumonia
phytochemicals contained in red clover?
- coumarins
* isoflavenoids
where/what part of the plant are the coumarins found in higher amounts in red clover?
flowers
caution regarding red clover
Anticoagulants - may interact with coumarin.
what is asthma?
Chronic inflammatory disease of the airways with bronchospasms &
decreased airflow obstruction with the following symptoms:
• shortness of breath
• wheezing
• coughing
• chest tightness
what herbal actions are useful in treatment of asthma?
- bronchodilators
- expectorants
- antiinflammatories
what is “bronchial asthma”?
“bronchial asthma” - periodic “asthma attack” coughing, wheezing,
shortness of breath, and chest tightness.
what does a bronchodilator do?
Opens bronchioles to make it easier to breathe.
when would one use a bronchodilator?
- asthma
- bronchitis
- pneumonia
what herbs have bronchodilator properties?
- ephedra (Ephedra sinica)
- jimson weed (Datura sp.)
- coffee
what are the phytochemicals of bronchodilators?
- phenethylamine (ephedrine)
- tropane alkaloids (atropine)
- methylxanthine (theophylline, caffeine)
actions of ephedra (ephedra sinica)?
- bronchodialator
- sympathomimetic
- diaphoretic
- decongestant
- antispasmodic
when would one use ephedra?
- constricted breathing
- bronchitis
- acute asthma
- nasal congestion associated with infection or allergies
- sinusitis
phytochemicals of ephedra?
Phenethylamines (Ephedrine)
Cautions regarding ephedra?
• Side effects: Tachycardia, insomnia, decreased appetite, dry mouth,
tremors.
• Pregnancy & lactation: Avoid use.
actions of jimson weed (datura stramonium)?
- anticholinergic
- antispasmodic
- bronchodilator
when would one use jimson weed?
acute asthma (smoked)
phytochemicals of jimsone weed?
tropane alkaloids (atropine)
cation regardin jimson weed?
• Side effects: Narrow therapeutic index. Tachycardia, insomnia,
decreased appetite, dry mouth, tremors, hallucinations.
• Pregnancy & lactation: Avoid use.
what are allergies?
Immune response to a foreign substances typically causing:
• runny nose (rhinitis)
• itchy eyes
• fatigue
herbal actions to treat allergies?
- antiallergic
* antihistamine
herbs to treat allergies?
- eyebright (Euphrasia officinalis)
- nettle
- rosemary
- astragalus
What does a decongestant do?
Relieves nasal congestion (i.e. nasal catarrh).
• sympathetic stimulation
• antihistamine
when would one use a decongestant?
- upper respiratory tract infections (URTI)
- sinusitis
- rhinitis
- allergies
what herbs have decongestant properties?
- ma Huang (Ephedra sinica)
- blue Gum (Eucalyptus globulus)
- Cayenne
phytochemicals of decongestants?
- alkaloid
- flavanoids
- phenolics
What do antiallergics do?
Decreases the symptoms associated with allergies:
• runny nose (rhinitis)
• itchy eyes (conjunctivitis)
when would one use an antiallergic?
- upper respiratory tract infections (URTI)
- sinusitis
- rhinitis
what herbs possess antiallergic properties?
- eyebright (Euphrasia officinalis)
* nettle (Urtica spp.)
Actions of eyebright (euphrasia officinalis)?
- astringent
- antiallergic
- anticatarrhal
- antiinflammatory
when would one use eyebright?
Reduces catarrh of the eyes, nose, and ears.
• conjunctivitis
• rhinitis
phytochemicals of eyebright?
- Iridoid glycosides (acubin)
- Volatile oil
- Phenolic acids
- Flavonoids
- Tannins
comment about eyebright and topical application?
Topical application - applied to the eyes for both allergies and infections
Actions of Nettle (urtica spp.)
- antiallergic (antihistamine)
- astringent
- antiinflammatory
when would one use nettle?
seasonal allergies
phytochemicals of nettle?
- phytosterols (modulate hormone receptors)
- lignins (modulate hormone receptors)
- flavonoids
what herbal actions are good in treatment of ear infections (otitis media; otitis externa)
- antimicrobial
- vulnerary
- anodyne
what herbs are good for treating ear infections?
Ear oil • Allium sativum • Verbascum thapsus • Calendula flores • Hypericum perforatum
comment about recurrent ear infections?
Recurrent ear infection are commonly associated with food allergies.
action of garlic?
antimicrobial
when would one use garlic?
- bacterial infections
- fungal infections
- viral infections
- parasitic infections
phytochemicals in garlic?
organosulphides (e.g. allicin)
caution regarding garlic?
- Anticoagulants - may potentiate
* Surgery - avoid excess amounts before and after procedure