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Topic: Sympathomimetics



  
 PHARMACOLOGY OF CATECHOLAMINES AND SYMPATHOMIMETIC DRUGS, 1998
Ephedrine was the first sympathomimetic drug which was effective orally.
Phenylephrine and methoxamine used in PAT by causing a reflex bradycardia.
Cardiovascular effects of amphetamine include increased blood pressure, and reflex bradycardia.
http://www.med.howard.edu/pharmacology/handouts/autono3.htm   (3280 words)

  
 Inotropic / chronotropic drugs:
All of the sympathomimetic drugs noted here have very short half lives and must therefore be given by constant infusion.
The drug is the most useful 'general purpose' sympathomimetic amine.
The vasodilatation of the PDEIs is especially marked in the pulmonary circulation and the drugs are particularly useful if reduction of PVR is required.
http://www.manbit.com/PAC/chapters/P34.cfm   (2073 words)

  
 AllRefer.com - sympathomimetic drug (Pharmacology) - Encyclopedia
sympathomimetic drug[simpath´´Omimet´ik] Pronunciation Key, any of a group of substances whose actions resemble the response of stimulated sympathetic nerves (see nervous system).
More articles from AllRefer Reference on sympathomimetic drug
You are here : AllRefer.com > Reference > Encyclopedia > Pharmacology > sympathomimetic drug
http://reference.allrefer.com/encyclopedia/S/sympatho.html   (189 words)

  
 PY421 Examination #1 Key
(2) Drug #1 is a direct-acting sympathomimetic while drug #2 is an indirect-acting sympathomimetic.
Both drugs will exhibit sympathomimetic activity with drug #2 having a greater indirect-mode of action than drug #1.
(3) All three drugs are therapeutically useful for their sympathomimetic actions.
http://www.auburn.edu/~rileytn/py421/exam1.html   (1498 words)

  
 eMedicine - Toxicity, Sympathomimetic : Article by Paul Kolecki, MD
Sympathomimetic-induced chest pain, myocardial ischemia, and myocardial infarction also can occur.
Extreme hypertension can result in headache, hypertensive encephalopathy, and intracranial hemorrhage.
Second-degree and third-degree heart block (as a reflex response to hypertension)
http://www.emedicine.com/emerg/topic562.htm   (3275 words)

  
 [No title]
A medical inspector or a teacher may recommend that a child be evaluated by an appropriate medical practitioner; however, a parent or guardian may agree or disagree to allow the child to take sympathomimetic medication.
USE OF SYMPATHOMIMETIC MEDICATIONS No school shall require that a child take sympathomimetic medication, such as Ritalin, as a condition of attending school.
(4) Nevertheless, parents are in the best position to make final decisions regarding whether their children should take sympathomimetic medications, such as Ritalin.
http://www.leg.state.vt.us/docs/2002/bills/intro/s-287.doc   (358 words)

  
 Acebutolol
A recent UKPDS study showed that beta-blocker therapy (atenolol) was as effective as an ACE inhibitor in reducing cardiovascular events and that the benefits of therapy were related more to the degree of antihypertensive efficacy rather than the class of drug used.
Hypertension: Beta-blocker therapy in the treatment of hypertension has been associated with improved cardiovascular outcomes.
In this setting, therapy should be avoided in patients with hypotension, cardiogenic shock, or heart block.
http://www.musc.edu/pharmacyservices/Drugs/A/Acebutolol.htm   (1364 words)

  
 [No title]
If Step 3 medication is needed for a longer period, the general practitioner should monitor the patient in accordance with the relevant conditions in the National Transmural Asthma Agreement.
The general practitioner is responsible for regular follow up of patients whose treatment objectives are reached with Step 2 medication.
Ask the patient to bring medications and inhalers to follow-ups in order to correct any errors in inhalation technique.
http://nhg.artsennet.nl/upload/104/guidelines2/E27b.htm   (9057 words)

  
 NGC - NGC Summary
Guideline developers considered inspiratory muscle training; however, they did not find sufficient evidence to evaluate the benefits of inspiratory muscle training by patients with asthma.
If the long-acting beta-sympathomimetic drug is not effective or is not tolerated, discontinue it and make a therapeutical trial with leukotriene antagonist (Bjermer, et al., 2003) [B], or theophylline 200 to 300 mg at night.
Check the inhalation techniques, recognize any factors that might worsen the asthma, and verify the patient’s compliance.
http://www.guideline.gov/summary/summary.aspx?ss=15&doc_id=5136&nbr=&string=   (2950 words)

  
 Stroke Associated With Sympathomimetics Contained in Over-the-Counter Cough and Cold Drugs -- Cantu et al. 34 (7): 1667 ...
22 patients had stroke associated with over-the-counter sympathomimetics.
Stroke Associated With Sympathomimetics Contained in Over-the-Counter Cough and Cold Drugs -- Cantu et al.
Although most were related to PPA, stroke can also
http://stroke.ahajournals.org/cgi/content/full/34/7/1667   (2607 words)

  
 In Vitro and In Vivo Characterization of Intrinsic Sympathomimetic Activity in Normal and Heart Failure Rats -- ...
In Vitro and In Vivo Characterization of Intrinsic Sympathomimetic Activity in Normal and Heart Failure Rats -- Willette et al.
In Vitro and In Vivo Characterization of Intrinsic Sympathomimetic Activity in Normal and Heart Failure Rats
Bucindolol Displays Intrinsic Sympathomimetic Activity in Human Myocardium
http://jpet.aspetjournals.org/cgi/content/full/289/1/48   (3482 words)

  
 Ionamin Drug Information
Because of this, these medicines are useful only during the first few weeks of a weight-loss program.
After you stop using this medicine, your body may need time to adjust.
Studies on these medicines have been done only in adult patients, and there is no specific information comparing use of sympathomimetic appetite suppressants in children with use in other age groups.
http://www.drugs.com/cons/Ionamin.html   (2356 words)

  
 Pan American Laboratories - Product Information
Pregnant women and their doctors should be aware of the higher than usual risk for infants from sympathomimetic amines.
Sympathomimetic amines are contraindicated in nursing mothers and in patients with severe hypertension, severe coronary artery disease and patients on monoamine oxidase (MAO) inhibitor therapy (see Drug Interactions section).
Geriatric patients may be more sensitive to the effects of this medication.
http://www.pamlab.com/products/cc/panmist_la_insert.shtml   (2031 words)

  
 Ephedra sinica
On day 1, twelve study participants were monitored with an ambulatory blood pressure device between hours 7 and 20.
Bruno A, Nolte KB, Chapin J. Stroke associated with ephedrine use.
Abstract: Ever since the introduction of the alkaloid ephedrine as an anti- asthmatic, the CNS stimulatory effects of this sympathomimetic have been a problem in therapy.
http://www.home.caregroup.org/clinical/altmed/interactions/Herbs/Ephedra_sinica.htm   (5072 words)

  
 ENLmedical.com: Conditions And Concerns: Medical Encyclopedia: Amphetamine or sympathomimetic intoxication
ENLmedical.com: Conditions And Concerns: Medical Encyclopedia: Amphetamine or sympathomimetic intoxication
http://www.enlmedical.com/article/000950.htm   (18 words)

  
 [No title]
ACCOMODATION sympathomimetics ---- contracts radial muscle --- dilates no effect sympatholytics ---- relaxes radial muscle --- constricts no effect parasympathomimetics- contracts sphincter muscle- constricts parasympathomimetics- contracts ciliary muscle---------------accommodate parasympatholytics -- relaxes sphincter muscle -- dilates parasympatholytics -- relaxes ciliary muscle -------------- unaccommodate ACCOMMODATED EYE UNACCOMMODATED EYE near vision sharp near vision blurred
Here are some questions to help you review catcholamines:
The answer is E. Which of the following is an orally effective sympathomimetic which may be used in the treatment of asthma?
http://www.kumc.edu/research/medicine/pharmacology/CAI/webCAI/blk1/adrergs.wbc   (2445 words)

  
 [No title]
On the other hand, compensatory reflexes may attenuate the responses.
Yes No, The answer is B. Alpha-agonists would NOT usually relax smooth muscle, especially in the bronchial tree!
Both beta-2 and alpha-1 adrenoceptors have been demonstrated in low levels in the heart but their function is uncertain.
http://www.kumc.edu/research/medicine/pharmacology/CAI/webCAI/blk1/as04.wbc   (1858 words)

  
 GCÐMS Identification of Sympathomimetic Amine Drugs in Urine: Rapid Methodology Applicable for
Those sympathomimetic amines containing a primary or secondary amine, a hydrazine, and/or hydroxyl (except mazindol) functional groups were derivatized effectively using an on-column derivatization technique that used a reagent consisting of 10% fluoroanhydride in hexane, whereas the other sympathomimetic amines, including mazindol, were analyzed underivatized.
For identification of sympathomimetic amines requiring derivatization, 0.1 mL of the patient specimen had amphetamine-d
The developed method was adapted to analyze urine specimens that might be encountered in emergency toxicology testing.
http://www.jatox.com/abstracts/2000/april/211-valentine.html   (451 words)

  
 NGC - NGC Summary
A cavernoglanular (corporoglanular) shunt should be the first choice of the shunting procedures because it is the easiest to perform and has the fewest complications.
During and following intracavernous injection of sympathomimetic drugs, the physician should observe patients for subjective symptoms and objective findings consistent with known undesirable effects of these agents: acute hypertension, headache, reflex bradycardia, tachycardia, palpitations, and cardiac arrhythmia.
Initial intervention may utilize therapeutic aspiration (with or without irrigation) or intracavernous injection of sympathomimetics.
http://www.guideline.gov/summary/summary.aspx?doc_id=3741   (911 words)

  
 Bill Summary H. F. 478
Precludes school administrators from obligating a parent in a readmission plan to provide sympathomimetic medication to the parent's child as a condition of the child being readmitted to school after being suspended.
Encourages the contractor to examine the number of children who take sympathomimetic medications at home and not at school, the previous interventions tried with children taking sympathomimetic medications, the types of practitioners who prescribe sympathomimetic medications and what pressures families have experienced in terms of providing their children with sympathomimetic medications.
Requires an individual education plan team, when developing a student's individual education plan, to consider positive behavioral interventions, strategies, and supports that address behavior for children with attention deficit disorder (ADD) or attention deficit hyperactivity disorder (ADHD).
http://ww3.house.leg.state.mn.us/scripts/billsum.pl?fname=hr478&session=82   (434 words)

  
 Herbal Energizers: Speed By Any Other Name
Most of the home dealers of these stimulants have no medical training and little or no knowledge of the effects of sympathomimetics.
All of these stimulants belong in the class sympathomimetic amines, a potentially dangerous and addictive class of drugs similar in structure and actions to amphetamines.
Short term stimulation of the sympathetic nervous system is not harmful since it is usually resolved promptly and control of the body systems is returned to parasympathetic (relaxation) nervous system domination.
http://www.cwu.edu/~jenkinsa/speed.html   (2955 words)

  
 RESP 315
          beta-adrenergic agonist (sympathomimetic); bronchodilator; respiratory smooth muscle relaxant
Subcutaneous injection of sympathomimetic drugs is important in the management of acute bronchoconstriction.
Interactions: Drug- Epinephrine-other sympathomimetic bronchodilators may add to effects,
http://www.dmacc.cc.ia.us/instructors/kegeorge/Pharmacology/notesUnit6.htm   (4228 words)

  
 Re: PROZAC AND PHENTERMINE..Anyone?
This is from the site, and "major" drug interaction means beware of using the 2:
GENERALLY AVOID: Several case reports suggest that patients treated with selective serotonin reuptake inhibitors (SSRIs) may exhibit an increased sensitivity to sympathomimetic agents.
Additionally, some sympathomimetic agents like fenfluramine and dexfenfluramine (no longer commercially marketed) may possess serotonergic activity and should generally not be administered with SSRIs because of the additive risk of serotonin syndrome, which is a rare but serious and potentially fatal condition thought to result from hyperstimulation of brainstem 5HT1A receptors.
http://www.rxlist.com/rxboard/prozac.pl?read=871   (433 words)

  
 SFM June 2001: Those OTC Diet Meds
As far as sympathomimetic amines are concerned, we have less difficulty than do our European colleagues.
After all, phenylalanine is also a precursor of thyroxine, so one may hope for (and get?) two stimulants for the price of one.
One often sees long lists of ingredients, including phenylalanine and tyrosine (and related compounds) in the hope that the consumer will generate some of their own sympathomimetic amines.
http://www.sfms.org/sfm/sfm601e.htm   (534 words)

  
 Pan American Laboratories - Product Information
Sympathomimetic amines are contraindicated in patients with severe hypertension, severe coronary artery disease and patients on monoamine oxidase (MAO) inhibitor therapy.
Sympathomimetic amines may cause tachycardia, palpitations, nervousness, insomnia, restlessness, headache, gastric irritation, and irritability.
Antihistamines and anticholinergics are contraindicated in patients with narrow-angle glaucoma, urinary retention, peptic ulcer and during an asthma attack.
http://pamlab.com/products/cc/pannaz_hc_insert.shtml   (976 words)

  
 Disseminated Bullous Fixed Drug Eruption due to Sympathomimetic Medications
Disseminated Bullous Fixed Drug Eruption due to Sympathomimetic Medications
Bullous fixed drug eruptions and non-pigmenting fixed drug eruptions due to sympathomimetics are discussed.
A 32 year old female developed a disseminated bullous fixed drug eruption following the use of pseudoephedrine.
http://dermatology.cdlib.org/DOJvol7num1/medderm/abstracts/cowen.html   (89 words)

  
 MSN Encarta - Dictionary - sympathomimetic
sympathomimetic drug: a drug or agent that stimulates the sympathetic nervous system
http://encarta.msn.com/dictionary_1861717684/sympathomimetic.html   (62 words)

  
 Sympathomimetics - Wikipedia, the free encyclopedia
Sympathomimetics include the naturally occurring substances adrenaline (epinephrine), noradrenaline (norepinephrine), and other catecholamines such as dopamine, as well as the synthetic drugs pseudoephedrine, phenylephrine, and phenylpropanolamine.
Sympathomimetics are a class of drugs whose properties mimic those of a stimulated sympathetic nervous system.
In medicine, they are commonly prescribed in cardiac emergencies including shock and anaphylaxis, in some cases for weight loss, and in cold remedies, where they shrink swollen membranes in the upper respiratory tract.
http://en.wikipedia.org/wiki/Sympathomimetic   (139 words)

  
 Sympathomimetic Intoxication
Amphetamine or sympathomimetic intoxication describes the state that occurs with the use of amphetamines or sympathomimetic drugs.
Amphetamine or sympathomimetic intoxication describes the state that occurs with the use of...
Learn more about Amphetamine or sympathomimetic intoxication, Amphetamine or sympathomimetic intoxication describes the state that occurs with the use of...
http://www.sympathomimeticintoxication.info   (541 words)

  
 Meridia (sibutramine) Pharmacology – not an SNRI
Amphetamine-like sympathomimetic effects associated with chronic SIBUT use.
The classic effects of a sympathomimetic are increase in cardiac output and vasoconstriction which together cause an increase in blood pressure.
Another class of reactions is sporadically reported to have occurred with SIBUT in combination with other drugs.
http://www.drugintel.com/drugs/documents/meridia_sibutramine_pharmacology.htm   (2578 words)

  
 Determination of Phenolic Sympathomimetic Drugs in Pharmaceutical Samples and Biological Fluids by Flow-Injection ...
A rapid and highly sensitive flow-injection chemiluminometric method was developed for determination of 3 sympathomimetic drugs, namely, etilefrine hydrochloride, isoxsuprine hydrochloride, and prenalterol hydrochloride.
The method is based on chemiluminescence induced by oxidation of drugs with acidified potassium permanganate in the presence of formic acid as a carrier.
Determination of Phenolic Sympathomimetic Drugs in Pharmaceutical Samples and Biological Fluids by Flow-Injection Chemiluminescence
http://www.aoac.org/pubs/JOURNAL/2000/Nov_Dec/Determination_of_Phenolic.htm   (119 words)

  
 Metabolism of Epinephrine and Other Sympathomimetic Amines (1959)
Metabolism of Epinephrine and Other Sympathomimetic Amines (1959)
http://profiles.nlm.nih.gov/HH/A/A/B/M   (86 words)

  
 sympathomimetic - definition of sympathomimetic by the Free Online Dictionary, Thesaurus and Encyclopedia.
Producing physiological effects resembling those caused by the activity or stimulation of the sympathetic nervous system: a sympathomimetic hormone.
This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.
sympathomimetic - relating to epinephrine (its release or action)
http://www.thefreedictionary.com/sympathomimetic   (102 words)

  
 Sympathomimetic Drugs II
Synthesize the information learned in meeting the above objectives in order to predict side effects, drug interactions, therapeutic uses of catecholamines and sympathomimetics.
List the efects of catecholamines on tissues innervated by the sympathetic nervous system and the adrenergic and dopaminergic receptors mediating those effects.
You can get more information here to help you understand this topic, but you will only be responsible for the information from these chapters that was included in the handouts or covered in the lectures.
http://www-medlib.med.utah.edu/calendar/block4/22.html   (230 words)

  
 The Julius Axelrod Papers: Work on the Sympathomimetic Amines, 1946-1958
This group of drugs, which include caffeine, amphetamine, mescaline, and ephedrine, mimics the chemical behavior of hormones in the nervous system, including epinephrine, norepinephrine, dopamine, and serotonin.
In 1949, Axelrod moved to the National Heart Institute at the National Institutes of Health and continued his research, directing experiments on the effects of ascorbic acid (Vitamin C) on drug metabolism.
The Julius Axelrod Papers: Work on the Sympathomimetic Amines, 1946-1958
http://profiles.nlm.nih.gov/HH/Views/Exhibit/narrative/amines.html   (530 words)

  
 Sun Herald - 02/11/04
I explained certain chemical substances known as sympathomimetic agents mimic the stress response.
Oh no. I continued, "Caffeine belongs to a group of drugs that are powerful amphetamine-like stimulants that increase metabolism and create a high awake and active state.
"For example, the most common of these sympathomimetic stressors in the American diet is caffeine." Tom groaned.
http://www.sun-herald.com/NewsArchive2/021104/tp16ch23.htm?date=021104&story=tp16ch23.htm   (1389 words)

  
 Distinguishing amphetamine, methamphetamine and 3,4-methylenedioxymethamphetamine from other sympathomimetic amines ...
Distinguishing amphetamine, methamphetamine and 3,4-methylenedioxymethamphetamine from other sympathomimetic amines after rapid derivatization with propyl chloroformate and analysis by gas chromatography—chemical ionization mass spectrometry
Misidentification of ephedrine and pseudoephedrine as methamphetamine has been reported because of similar retention times of their derivatives in gas chromatography as well as very similar mass spectral fragmentation patterns in the conventional electron impact mode of analysis.
Author Dasgupta A, Hart AP Title Distinguishing amphetamine, methamphetamine and 3,4-methylenedioxymethamphetamine from other sympathomimetic amines after rapid derivatization with propyl chloroformate and analysis by gas chromatography—chemical ionization mass spectrometry Symposium, Committee on
http://www.astm.org/JOURNALS/FORENSIC/PAGES/2573.htm   (385 words)

  
 Provigil
does not display sympathomimetic activity in the rat vas deferens preparations (agonist-stimulated or electrically stimulated) nor does it increase the formation of the adrenergic receptor-mediated second messenger phosphatidyl inositol in in vitro models.
has wake-promoting actions like sympathomimetic agents including amphetamine and methylphenidate, although the pharmacologic profile is not identical to that of sympathomimetic amines.
http://www.beatcfsandfms.org/Drugs/Provigil.html   (4605 words)

  
 Sympathomimetic intoxication - A Medical Reference Article
A resource with information on over 10,000 medical topics including: Sympathomimetic intoxication
http://www.kernanhospital.com/dwp/006987.htm   (12 words)

  
 Definition of sympathomimetic - Merriam-Webster Online Dictionary
For More Information on "sympathomimetic" go to Britannica.com
Get the Top 10 Search Results for "sympathomimetic"
http://www.m-w.com/cgi-bin/dictionary?book=Dictionary&va=sympathomimetic   (79 words)

  
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http://www.cvm.uiuc.edu/~mbirchen/secondyear/pharm/sympathomimetics.doc   (116 words)

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