drugs of the respiratory
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Drugs of The Respiratory System
Robert AdamsBiology 120
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Allegra - FexofenadineDrug used in
treatment of hay fever and similar allergy symptoms.
Allegra is a therapeutic drug and does not cure condition but treats symptoms.
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AllegraAllegra is an
antihistamine or histamine blocker.
Histamine is the chemical in the body released by mast cells that causes the symptoms of an allergic reaction.
Histamine attaches to certain receptor cells when this happens the allergy is activated.
Allegra blocks histamine from bonding with these receptor cells known as H1.
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Allegra
Relieves sneezingRunny nose Itchy eyesGeneral body fatigueRhinitis Urticaria (hives)
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AllegraSide EffectsHeadacheNausea DizzinessDrowsinessNervousnessHeartburnDry mouthStomach painNightmares
Allegra causes less drowsiness then its predecessors because it cannot cross the blood brain barrier.
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AllegraAllegra tabletsAllegra ODT (oral
disintegrating tablets)
Allegra oral suspension (liquid)
All are now available over the counter in 12 and 24 hour form.
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AllegraDosageChildren ages 6-11
30mg twice dailyAges 12 and older
60mg twice dailyElderly 60mg once
daily
1 hour after taking drug it enters the blood stream.
Drug reaches maximum concentration in the blood after about 3 hours.
Drug is effective up to 24 hours.
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AllegraShould be taken on
an empty stomach with water.
Works best if not taken with fruit juices.
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AfrinOxymetazoline HydrochlorideNasal Spray
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AfrinUsed to relieve nasal
discomfort caused by cold, sinus, allergies, and hay fever.
Used to relieve sinus congestion and pressure.
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AfrinAfrin is a liquid
nasal spray.Afrin is considered
to be a nasal decongestant.
Afrin works by narrowing the blood vessels in the nasal passages, which leads to drainage and a decrease in congestion.
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AfrinUsageNot for use by
children 6 and underNot to be used more
than once every 10 hours
Prolonged use after 3 days may cause rebound congestion or chronic congestion, damage nasal tissue, and product dependency.
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AfrinSide EffectsBurningIncreased nasal
dischargeNose drynessSneezingNervousnessSeizuresHeadacheNausea, dizzinessDifficulty sleeping
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AfrinPrecautions
Do not use if suffering from high blood pressure
Heart disease DiabetesGlaucomaLiver or kidney diseaseEnlarged prostateThyroid problemsPregnancyTaking MAO inhibitors
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AfrinAfrin was first sold
in 1966Afrin became an
over the counter medication in 1975
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RobitussinGuaifenesinDextromethorphan
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RobitussinDrug is an over the
counter medication used to relieve chest congestion.
Used to relieve cough
Helps controls symptoms but does not cure cause of symptoms
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RobitussinRobitussin is an
expectorant, which is any agent that dissolves thick mucus to relieve respiratory difficulties.
Robitussin works by thinning the mucus in the air passages making it easier to cough up mucus.
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RobitussinInstructionsNot for children
under 2Ages 2-6 see doctorAges 6-12 1 tsp
every 4 hoursAges 12 and up 2 tsp
every 4 hours
Take with or without food
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RobitussinSide EffectsVomitingHeadacheLoss of appetiteNauseaRash
Drinking alcohol may increase the side effects of this drug.
This medication may impair thing or reaction be careful driving and operating heavy machinery.
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RobitussinPrecautionsSee doctor if pregnant
or breastfeedingIf suffering from
asthma or emphysemaIf prescribed MAO
inhibitorsIf suffering from
glaucomaEnlarged prostate High blood pressure
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RobitussinComes in … Tablet
Syrup (Liquid)CapsuleDissolving granules