Autacoids Flashcards
Anti-histamine classification ?
- physiological antagonists
- H release inhibitors
- H receptor anagonists
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Physiological antagonists of Histamine ?
adrenaline
Indication of physiologic antagonist of hitamine ?
anaphylactic shock
H release inhibitors name ?
- cromolyn
- nedocromil Na
- terbutaline
- salbutamol
H receptor antagonists name ?
- H1
- H2
- H3
- H4
1st generation H1 receptor antagonists name ?
- phenir-amine
- chlor-phenir-amine
- cyclizine
- meclizine
- pyomethazine
- diphenhydramine
2nd generation H1 RECEPTOR antagonits name ?
- fexofenadine
- loratadine
- des-loratadine
- cetririzine
- levo-cetirizine
- cerobastine
- mesolastine
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Anti-histamine effects ??
- inc sedation
- inc appetite
- anti-N
- anti-emetic
- anti-parkinsionian
- dec allergic inflammation
Anti-cholinergic effect of anti-histamine ?
- dried mouth & skin
- urine retention
- blurred vision
- tachycardia
- constipation
anti-adrenergic effects of anti-histamine ?
- postural hypotension
- dizziness
- reflax tachycardia
serotonin blocking action of anti-histamine /
inc appetite
motion sickness indication ?
- promethazine
- diphenhydramine
- cyclizine
- meclizine
Allergic conditions
* itching
* urticaria
* allergic rhinitis
* atopic dermatitis’chronic urticaria
* hay fever - Indications ?
1.. fexofenadine
2. loratadine
3. des-loratadine
4. cetririzine
5. levo-cetirizine
N-V-morning sickness ?
- cyclizine
- meclizine
For sedation ?
promethazine
Parkinson indication ?
diphenhydramine
pre-anesthetic medication which anti-histamine ?
promethazine
LA which anti-histamine ?
- diphenhydramine
- promethazine
A/E of anti-histmine ?
- Anti-adrenergic effect
- anti-cholinergic effects
- CNS-sedation-ataxia-excitation
- allergic dermatitis
commonest A/E of 1st generation?
Sedation
why sedation in 1st geenration ?
- cross BBB
- high lipid soluble
- exert sedative
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effect of H on BP before promethazine ?
h- vasodilation-dec PR- DEC BP
After promethazine - no BP change as H is blocked
Anti-obesity drug name ?
Lor-caserin
5HT-1A agonists name ?
- Bus-Ge-Ipsa-PIRONE