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Study sets matching "respiratory drug"

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Study sets matching "respiratory drug"

49 terms
Respiratory Drugs
Diseases of Upper Respiratory Tract
Diseases of Lower Respiratory Tract
Bronchodilators
Beta-Adrenergic Agonists
Colds, rhinitis, and hay fever
Asthma, emphysema, and chronic bronchitis
Relax bronchial smooth muscle, which causes dilation of the b…
Commonly used during the acute phase of an asthmatic attack t…
Diseases of Upper Respiratory Tract
Colds, rhinitis, and hay fever
Diseases of Lower Respiratory Tract
Asthma, emphysema, and chronic bronchitis
12 terms
Respiratory Drugs
cetirizine
fexofenadine
pseudoephedrine
certirizine-pseudoephedrine
Zyrtec, (antihistamine - H1 blocker)
Allegra (antihistamine - H1 blocker)
Sudafed (decongestant)
Zyrtec D (antihistamine and decongestant)
cetirizine
Zyrtec, (antihistamine - H1 blocker)
fexofenadine
Allegra (antihistamine - H1 blocker)
111 terms
Respiratory Drugs
What are the symptoms of the asthma? W…
What are the symptoms of COPD? What ca…
Compare and contrast the disease proce…
Describe the absorption of inhaler med…
Symptoms: SOB, wheezing, cough, nocturnal awakenings. Recurri…
Symptoms: SOB, wheezing may be present, cough, limitation in…
What are the symptoms of the asthma? W…
Symptoms: SOB, wheezing, cough, nocturnal awakenings. Recurri…
What are the symptoms of COPD? What ca…
Symptoms: SOB, wheezing may be present, cough, limitation in…
52 terms
Respiratory drugs
Asthma
scarring
inhalation
MDI (metered dose inhalers)
Resp disease characterized by a triggering mechanism causing…
Main goal of pharmaceutical asthma therapy is "airway remodel…
preferred route for quick respiratory relief
small hand-held pressurized devices that deliver a specific d…
Asthma
Resp disease characterized by a triggering mechanism causing…
scarring
Main goal of pharmaceutical asthma therapy is "airway remodel…
52 terms
Respiratory drugs
Asthma
scarring
inhalation
MDI (metered dose inhalers)
Resp disease characterized by a triggering mechanism causing…
Main goal of pharmaceutical asthma therapy is "airway remodel…
preferred route for quick respiratory relief
small hand-held pressurized devices that deliver a specific d…
Asthma
Resp disease characterized by a triggering mechanism causing…
scarring
Main goal of pharmaceutical asthma therapy is "airway remodel…
28 terms
respiratory drugs
Histamine
Histamine results in what ?
antihistamines (h1)
antihistamines side effects
chemical mediator released from mast cells basophils in respo…
bronchoconstriction (cough, edema) and mucous, pain and pruri…
prevents histamine action on target tissue by inhibiting smoo…
drowsiness, dry mouth, vision changes also difficulty peeing…
Histamine
chemical mediator released from mast cells basophils in respo…
Histamine results in what ?
bronchoconstriction (cough, edema) and mucous, pain and pruri…
29 terms
Drug to Drug Class- Respiratory
Ipratopium- Atrovent
Tiotropium- Spiriva
Budesonide- Pulmicort
Fluticasone- Flovent HFA
Anticholinergic
Anticholinergic
Inhaled Corticosteroid
Inhaled Corticosteroid
Ipratopium- Atrovent
Anticholinergic
Tiotropium- Spiriva
Anticholinergic
15 terms
Respiratory Drug Expiration - Respiratory
Ventolin
Striverdi
Spiriva
Combivent
12 months
3 months
3 months
3 months
Ventolin
12 months
Striverdi
3 months
10 terms
Respiratory Drugs
Bronchodilators
B2 agonists
Effects of B2
Methylxanthine
1. b2 agonists: SM relaxation, vasodilator... -Terbutaline... -Albu…
-b2 highest density in small airways... 1. MOA... -increase cAMP=>…
-#1 smooth muscle relaxation, vasodilation ... -uterine relaxati…
1. MOA... -unresolved but they think:... -adenosine antagonism ... -PD…
Bronchodilators
1. b2 agonists: SM relaxation, vasodilator... -Terbutaline... -Albu…
B2 agonists
-b2 highest density in small airways... 1. MOA... -increase cAMP=>…
29 terms
Respiratory Drugs drug card
Anti inflammatory drugs
triamcinoclone
budesonide
fluticasone
Anti inflammatory drugs
Nasacort AQ, Azmacort
Rhinocort Aqua
Flovent, Flonase
Anti inflammatory drugs
Anti inflammatory drugs
triamcinoclone
Nasacort AQ, Azmacort
14 terms
Respiratory drug
Butorphanol
Hyrdocodone
Codine
Dextromethorphan
Torbutrol, antitussive
Hycodan, antitussive
Schedule V antitussive
oTC antitussive, combined with other meds not safe for animals
Butorphanol
Torbutrol, antitussive
Hyrdocodone
Hycodan, antitussive
10 terms
RESPIRATORY DRUGS
butorphanol (antitussive)
hydrocodone (antitussive)
dextromethorphan (antitussive)
acetylcysteine (mucolytic)
Torbugesic (antitussive)
Hycodan (antitussive)
Robitussin ( other OTC cough medications) (antitissive)
Mucomyst (mucolytic)
butorphanol (antitussive)
Torbugesic (antitussive)
hydrocodone (antitussive)
Hycodan (antitussive)
36 terms
respiratory drug
triggers of asthma
7 characteristics of asthma
beta2-adrenergic agonist
SABA (short acting)... increase cAMP in s…
allergens (dust mite antigens, animal dander, pollen)... exercis…
acute-bronchoconstriction of bronchioles... thick mucus fills ai…
bronchidilation... ADE: tremors, anxiety, tachycardia, palpitati…
albuterol (proventil)... metaproterenol (alupent... levalbuterol... te…
triggers of asthma
allergens (dust mite antigens, animal dander, pollen)... exercis…
7 characteristics of asthma
acute-bronchoconstriction of bronchioles... thick mucus fills ai…
43 terms
Respiratory Drugs
Q: Thses Drugs dilate the airways of t…
Q: These drugs increase levels of cycl…
Q: Give examples of short acting Beta-…
Q: Give examples of long acting Beta-2…
A: Sympathomimetic bronchodilators
A: Beta 2 -Adrenergic Agonists
A: albuterol (systemic, inhalation)... levalbuterol (inhalation…
A: formoterol (inhalation)... salmeterol (inhalation).
Q: Thses Drugs dilate the airways of t…
A: Sympathomimetic bronchodilators
Q: These drugs increase levels of cycl…
A: Beta 2 -Adrenergic Agonists
13 terms
Respiratory Drug
albuterol (Proventil, Ventolin)
ipratropium (Atrovent, Atrovent HFA)
theophylline (Theo-24, Theolair, Theoc…
prednisone (Deltasone)
Beta2-Adrenergic Agonists... Tachycardia... Heart palpitations... Trem…
Inhaled Anticholinergics... Occur secondary to decreased stimula…
Methylxanthines... Rare at therapeutic levels... When blood level e…
Inhaled... Oral candidiasis, hoarseness, and difficulty speaking…
albuterol (Proventil, Ventolin)
Beta2-Adrenergic Agonists... Tachycardia... Heart palpitations... Trem…
ipratropium (Atrovent, Atrovent HFA)
Inhaled Anticholinergics... Occur secondary to decreased stimula…
8 terms
Respiratory Drug
Albuterol, Salmetrol
Ipratropium
Theophylline
Fluticasone
-beta agonist, bronchodilator... -s-longer acting... -relaxes bronc…
-muscarinic antagonist, bronchodilator... -analog of atropine... -i…
methylxanthines, adenosine receptor antagonists, PDE inhibito…
inhaled corticosteroid, non-bronchodilator... -inhibits phosholi…
Albuterol, Salmetrol
-beta agonist, bronchodilator... -s-longer acting... -relaxes bronc…
Ipratropium
-muscarinic antagonist, bronchodilator... -analog of atropine... -i…
62 terms
Respiratory Drugs
Airflow Disorder drugs:
Bronchodilators:
Antiinflammatories:
β2-Adrenergic Agonists (short acting a…
-Antiinflammatories... -Bronchodilators
-β2-Adrenergic Agonists (SABA and LABA)... -Methylxanthines... -Ant…
-Corticosteroids... -Leukotrienes Antagonist... -Mast cell Stabiliz…
-Rescue Drugs - most effective drugs for relief of... acute bron…
Airflow Disorder drugs:
-Antiinflammatories... -Bronchodilators
Bronchodilators:
-β2-Adrenergic Agonists (SABA and LABA)... -Methylxanthines... -Ant…
51 terms
Drugs - Respiratory
Albuterol
Salemeterol
Metaproterenol
Pirbuterol
Bronchodilator Inhalant... Ventolin, Proventil... Beta2 agonist... *Re…
Bronchodilator Inhalant... Serevent... Beta2 agonist... *Asthma preven…
Bronchodilator Inhalant... Alupent... Beta2 agonist
Bronchodilator Inhalant... Maxair... Beta2 agonist
Albuterol
Bronchodilator Inhalant... Ventolin, Proventil... Beta2 agonist... *Re…
Salemeterol
Bronchodilator Inhalant... Serevent... Beta2 agonist... *Asthma preven…
Respiratory drugs
Codeine
Dextromethorphan
Benzonatate
Clophedianol/pseudophedrine
antitussive - opiod agaonist, cns depresssion
deslyum, robitussin - antitussive - supressess cough center i…
tessalon pearles - antitussive - anesthetic - do not cough or…
antitussive - clofera - chlophenidainol (H1 anatgonist) , sud…
Codeine
antitussive - opiod agaonist, cns depresssion
Dextromethorphan
deslyum, robitussin - antitussive - supressess cough center i…
7 terms
Respiratory Drugs
First Generation Antihistamines
Second Generation Antihistamines
Sympathomimetics
Opioid Antitussives
Histamine-1 receptor antagonists; block CNS receptor sites of…
MOA: block H1 receptor sites systemically... Side Effects: fewer…
MOA: activate alpha-1 adrenergic receptors in the nose... Side E…
MOA: suppress cough reflex in the brain (medulla)... Side Effect…
First Generation Antihistamines
Histamine-1 receptor antagonists; block CNS receptor sites of…
Second Generation Antihistamines
MOA: block H1 receptor sites systemically... Side Effects: fewer…
148 terms
Respiratory Drugs
loratadine
2nd generation antihistamines
peripherally acting antihistamines
H1
CLARITIN... Non sedating antihistamine taken once per day with…
These drugs work peripherally to block the actions of histami…
2nd generation antihistamines are also known as:
the drugs commonly known as antihistamines block this recepto…
loratadine
CLARITIN... Non sedating antihistamine taken once per day with…
2nd generation antihistamines
These drugs work peripherally to block the actions of histami…
14 terms
Respiratory Drug
albuterol (Proventil, Ventolin)
ipratropium (Atrovent)
theophylline (Theolair)
beclomethasone (Beconase)
Bronchodilation ... Beta Agonists ... short term beta agonist ... Long…
Bronchodilation ... Anticholinergics... Maintenance drug for bronch…
Bronchodilation ... Methylxanthines ... Long-term management of chr…
Anti-inflammation... gluccorticoids ... Nasal ... Long-term management…
albuterol (Proventil, Ventolin)
Bronchodilation ... Beta Agonists ... short term beta agonist ... Long…
ipratropium (Atrovent)
Bronchodilation ... Anticholinergics... Maintenance drug for bronch…
10 terms
Respiratory Drugs
Butorphanol (Antitussives)
Hydrocodone (Antitussives)
Dextromethorphan (Antitussives)
Acetylcysteine (Mucolytic)
Torbugesic
Hycodan
Robitussin
Mucomyst
Butorphanol (Antitussives)
Torbugesic
Hydrocodone (Antitussives)
Hycodan
8 terms
RESPIRATORY DRUGS
Respiratory drugs - 2 categories
Bronchodilators
Anti-inflammatory agents - respiratory
Beta 2 agonist
BAM - bronchodilators... SLM - anti-inflammatory agents
BAM... Beta 2 agonist... Anti-cholinergic... Methylaxthine
SLM... Steriods... Leukotrine... Mast Cell Stabilizers
-bronchodilator... -ends in "terol" albuterol... -fast acting... -caus…
Respiratory drugs - 2 categories
BAM - bronchodilators... SLM - anti-inflammatory agents
Bronchodilators
BAM... Beta 2 agonist... Anti-cholinergic... Methylaxthine
12 terms
Respiratory Drugs
Guaifenesin
Acetylcysteine
Butorphanol
Hydrocodone
Expectorant... Glyceryl Guaiacolate (GG)... Use: relief cough sympt…
Mucolytics ... Trade: Mucomyst... Use: break down thick of inspissa…
Antitussive... Trade: Torbutrol... Use: antitussive for chronic non…
Antitussive ... CIII opioid agonist... Use: antitussive (harsh non-…
Guaifenesin
Expectorant... Glyceryl Guaiacolate (GG)... Use: relief cough sympt…
Acetylcysteine
Mucolytics ... Trade: Mucomyst... Use: break down thick of inspissa…
18 terms
Respiratory Drugs
drug diagram 1
drug diagram 2
H1 blockers
1st gen H1 blockers
- reversbile inhibitors of H1 histamine blockers... - 1st gen... -…
- diphenylhydramine, dimenhydrinate, chlorpeniramine... - uses =…
drug diagram 1
drug diagram 2
22 terms
Respiratory drugs
ProAir
EpiPen
Atrovent
Isuprel
albuterol
epinephrine
ipratropium
isoproterenol
ProAir
albuterol
EpiPen
epinephrine
29 terms
Respiratory Drugs
optic neuritis
first line therapy for TB
2nd line of therapy for TB
latent TB
blurred vision, constriction of visual fields and disturbance…
Isoniazid (INH)... rifapentine... ethambutol... rifabutin... pyrazinamide…
capreomycin... cycloserine... levofloxacin... ethionamide... ofloxacin... ka…
+ skin test... - sputum... normal xray
optic neuritis
blurred vision, constriction of visual fields and disturbance…
first line therapy for TB
Isoniazid (INH)... rifapentine... ethambutol... rifabutin... pyrazinamide…
40 terms
Respiratory Drugs
Epinephrine
Drugs for Asthma
SABA
LABA
use largely replaced by selective B2 adrenergic angst ... may be…
B2 Agonist ... ICS ... Leukotriene Modifiers ... Anticholinergic ... Meth…
Albuterol (ventolin, proventi)
Salmeterol (Serevent)
Epinephrine
use largely replaced by selective B2 adrenergic angst ... may be…
Drugs for Asthma
B2 Agonist ... ICS ... Leukotriene Modifiers ... Anticholinergic ... Meth…
43 terms
Respiratory Drugs
Bronchial Asthma
Status asthmaticus-
Intrinisic asthma
Extrinsic
recurrent/reversible shortness of breath, production of stick…
Recurrent, prolonged asthma attack that does not respond to t…
no history of allergies
Exposed to a known allergen
Bronchial Asthma
recurrent/reversible shortness of breath, production of stick…
Status asthmaticus-
Recurrent, prolonged asthma attack that does not respond to t…
12 terms
respiratory drug
albuterol
budesonide
budesonide; formoterol
fluticasone
Ventolin, Proventil
Pulmicort
Symbicort
Flovent
albuterol
Ventolin, Proventil
budesonide
Pulmicort
15 terms
Respiratory Drugs
Short-Acting B-2 Agonists SABA
Albuterol ... [Ventolin/Proventil]
Long-Acting B2 Agonists LABA
Levalbuterol... [Xopenex]
Rescue/Quick-Relief Medication... Indicated for treatment of acu…
Short-Acting Beta2 Agonist SABA... Rescue/Quick-Relief Medicatio…
Maintenance/long-Term-Control Medications... Indicated for long-…
Short-Acting Beta2 Agonist SABA... Xopenex... Rescue/Quick-Relief M…
Short-Acting B-2 Agonists SABA
Rescue/Quick-Relief Medication... Indicated for treatment of acu…
Albuterol ... [Ventolin/Proventil]
Short-Acting Beta2 Agonist SABA... Rescue/Quick-Relief Medicatio…
44 terms
Respiratory Drugs
Antihistamine Drugs
Antihistamine Uses
Antihistamine Side Effects (16)
Antihistamine Contraindications (8)
Benadryl: 1st generations (sleepy/drowsy) ( should not be use…
-prevent and treat allergic responses... -hypnotic: safe, non-na…
drowsiness... drymouth... change in vision... dysuria... hypotension... palp…
glaucoma... cardiac disease... kidney disease... COPD... PUD... BPH... pregnanc…
Antihistamine Drugs
Benadryl: 1st generations (sleepy/drowsy) ( should not be use…
Antihistamine Uses
-prevent and treat allergic responses... -hypnotic: safe, non-na…
30 terms
Respiratory drugs
Diphenhydramine
Dimenhydrine
Chlorpheniramine
loratadine
1st gen H1 blocker ... use: allergy, motion sickness, sleep aid…
1st gen H1 blocker... use: allergy, motion sickness, sleep aid... S…
1st gen H1 blocker... use: allergy, motion sickness, sleep aid... S…
2nd gen H1 blocker ... less sedating
Diphenhydramine
1st gen H1 blocker ... use: allergy, motion sickness, sleep aid…
Dimenhydrine
1st gen H1 blocker... use: allergy, motion sickness, sleep aid... S…
18 terms
Drug and respiratory
Enzyme that convert phospholipid to ar…
arachidonic acid➡️ prostaglandin enzyme
arachidonic acid➡️ leukotrines
leukotrines
Phospholipase A2
Cycloxygenase
5 lipoxygenase
Bronchoconstriction, mucus constriction, immune cell production
Enzyme that convert phospholipid to ar…
Phospholipase A2
arachidonic acid➡️ prostaglandin enzyme
Cycloxygenase
98 terms
Respiratory Drugs
Upper respiratory infections includes…
Lower respiratory infections includes
Respiratory conditions examples
Respiratory conditions symptoms
Nose, sinuses, pharynx, larynx
Trachea, bronchi, bronchioles, lungs
Flu (Influenza)... Cold... Hay fever... Sinusitis
Sneezing ... Nasal... discharge/obstruction... Watery eyes... Headach…
Upper respiratory infections includes…
Nose, sinuses, pharynx, larynx
Lower respiratory infections includes
Trachea, bronchi, bronchioles, lungs
22 terms
Respiratory Drugs
Diphenhydramine
Dimenhydrinate
Loratadine
Fexofenadine
1st generation reversible H1 histamine receptor inhibitor. Tr…
1st generation reversible H1 histamine receptor inhibitor. Tr…
2nd generation reversible H1 histamine receptor inhibitor. Tr…
2nd generation reversible H1 histamine receptor inhibitor. Tr…
Diphenhydramine
1st generation reversible H1 histamine receptor inhibitor. Tr…
Dimenhydrinate
1st generation reversible H1 histamine receptor inhibitor. Tr…
21 terms
Respiratory Drugs
Albuterol
Montelukast
Salmeterol/fluticasone
Flovent
generic name for Proventil & Ventolin
generic name for Singulair
generic name for Advair
brand name for Fluticasone
Albuterol
generic name for Proventil & Ventolin
Montelukast
generic name for Singulair
12 terms
Respiratory Drugs
ipratropium
tiotropium
salmeterol
ipratropium bromide with albuterol
Short-acting muscarinic agent (SAMA)- Atrovent
Long-acting muscarinic agent (LAMA)- Spiriva
LABA- Serevent
Combivent- SAMA + SABA
ipratropium
Short-acting muscarinic agent (SAMA)- Atrovent
tiotropium
Long-acting muscarinic agent (LAMA)- Spiriva
26 terms
Respiratory - Drugs
1 respiratory cycle =
Wheeze
Stridor
Crackles(rales
1 inhalation + 1 exhalation
adventitious (abnormal) breath... sound caused by swelling & sec…
obstruction of upper airway... - Harsh, hi-pitched... - Inspiration…
air being forced through... fluid in lung... - Early inspiratory =…
1 respiratory cycle =
1 inhalation + 1 exhalation
Wheeze
adventitious (abnormal) breath... sound caused by swelling & sec…
22 terms
Respiratory Drugs to Drug Class
Anticholinergics ... ends in UM
Mechanism of action of Inhaled Cortico…
Primary indication of Anticholinergics
Leukotriene Inhibitors ... ends in AST
Ipratropium- Atrovent... Tiotropium- Spiriva
Depresses the immune inflammatory response decreasing inflamm…
Asthma and COPD
Montelukast- Singulair... Zafirlukast- Accolate
Anticholinergics ... ends in UM
Ipratropium- Atrovent... Tiotropium- Spiriva
Mechanism of action of Inhaled Cortico…
Depresses the immune inflammatory response decreasing inflamm…
14 terms
Respiratory Drugs
Narcotic ... Codeine
Nonnarcotic ... Dextromethrophan
Acetylcysteine ... Mucomyst
Phenylephrine ... Neo-Epinephrine... Psudoaf…
Antitussive ... Supresses cough ... Schedule 2 controlled substance
Suppression of unproductive cough of cough at bed time (nyqui…
As ancillary therapy for pt with abnormal viscid (thick) decr…
Nasal congestion ... Chronic usage can lead to septum... Shrinks e…
Narcotic ... Codeine
Antitussive ... Supresses cough ... Schedule 2 controlled substance
Nonnarcotic ... Dextromethrophan
Suppression of unproductive cough of cough at bed time (nyqui…
40 terms
Drug - respiratory
Mucolytics
Expectorants
antitussives
Nasal decongestants
dornase alpha ... N acetylcysteine
Guaifensein
codeine... dextromethorphan
H1 receptors antagonist ... Phenylephrine ... pseudo ephedrine
Mucolytics
dornase alpha ... N acetylcysteine
Expectorants
Guaifensein
12 terms
respiratory drugs
antihistamine
examples of antihistamine
antitussives
examples of antitussives
blocks the action of histamine
benadryl-- allegra-- clratiin
prevents / reliefs cough
DM cough -- tessalon pearls-- codeine--- hydrocondone-- bened…
antihistamine
blocks the action of histamine
examples of antihistamine
benadryl-- allegra-- clratiin
13 terms
Respiratory Drugs
albuterol
budesonide/formoterol
fluticasone/salmeterol
montelukast
ProAir HFA
Symbicort
Advair Diskus
Singulair
albuterol
ProAir HFA
budesonide/formoterol
Symbicort
15 terms
Respiratory Drugs
pathway to a cough
beta-2 agonists for small animal
beta-2 agonist for horses
beta-2 agonist mechanism
cough stimulus -> receptors -> vagus -> medulla to cough cent…
albuterol and terbutaline
clenbuterol
stimulation of beta-2 receptors increases amount of cAMP to c…
pathway to a cough
cough stimulus -> receptors -> vagus -> medulla to cough cent…
beta-2 agonists for small animal
albuterol and terbutaline
16 terms
Respiratory drugs
Antitussives and expectorants Robituss…
Bronchodilators Andrenalin, Epipen,etc
Bronchodilators Alupent
Bronchodilators Atrovent
guaifenesin dextromethorphan
epimorph
metaproterenol
ipratropium
Antitussives and expectorants Robituss…
guaifenesin dextromethorphan
Bronchodilators Andrenalin, Epipen,etc
epimorph
19 terms
Respiratory Drugs
Atrovent(anticholinergic)
Xopenex
Isuprel
Adrenaline
ipratropium
levalbuterol
isoproterenol
epinephrine
Atrovent(anticholinergic)
ipratropium
Xopenex
levalbuterol
11 terms
respiratory drugs
budesonide
prednisone
montelukast
albuterol
anti-inflammatory... Neb/MDI... purpose... inflammatory processes... (as…
corticosteroids... PO, IM... use... Inflammation, allergic reaction,…
Leukotriene receptor antagonist... oral... uses... asthma prophylaxis…
Sympathomimetic bronchodilator... inhalation... uses... Albuterol is…
budesonide
anti-inflammatory... Neb/MDI... purpose... inflammatory processes... (as…
prednisone
corticosteroids... PO, IM... use... Inflammation, allergic reaction,…
68 terms
Respiratory Drugs
Diphenhydramine (Benadryl) - indications
Diphenhydramine (Benadryl) - MOA
Diphenhydramine (Benadryl) - side effe…
Diphenhydramine (Benadryl) - nursing c…
-Allergic responses: allergic rhinitis, urticaria (hives), sk…
1st generation H1 antagonist --> it blocks histamine from b…
CNS depression -> drowsiness, fatigue... *anticholinergic eff…
- do not take with other CNS depressants (otc, rx, alcohol)…
Diphenhydramine (Benadryl) - indications
-Allergic responses: allergic rhinitis, urticaria (hives), sk…
Diphenhydramine (Benadryl) - MOA
1st generation H1 antagonist --> it blocks histamine from b…
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