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Inderal and Medihaler-Iso

Determining the interaction of Inderal and Medihaler-Iso and the possibility of their joint administration.

Check result:

Inderal <> Medihaler-Iso

Relevance: 15.06.2023 Reviewer: Shkutko P.M., M.D., in

In the database of official manuals used in the service creation an interaction registered by statistical results of studies was found, which can either lead to negative consequences for the patient health or strengthen a mutual positive effect. A doctor should be consulted to address the issue of joint drug administration.

Consumer:

Ask your doctor before using propranolol together with isoproterenol. Using these medications together can make isoproterenol less effective. If your doctor prescribes these medications together, you may need a dose adjustment or special tests to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Professional:

GENERALLY AVOID: Some beta-blockers may antagonize the bronchodilatory, hypotensive, and tachycardic effects of isoproterenol. The mechanism is blockade of beta-adrenergic receptors, which leads to bronchoconstriction, vasodilation, and increased heart rate. Beta-blockers have been used successfully to treat catecholamine or isoproterenol-induced tachyarrhythmias.

MANAGEMENT: This combination should generally be avoided. Patients who are receiving isoproterenol for cardiac conditions should be closely monitored for adequate therapeutic effect if a beta blocker is added. If no alternative exists, small doses of a B-1 selective beta-blocker (e.g., acebutolol, atenolol, betaxolol, bisoprolol, or metoprolol) may be preferable; however, respiratory status should be closely monitored in patients with obstructive pulmonary disease.

References

Messerli FH, Kuchel O, Tolis G, Hamet P, Fraysse J, Genest J "Effects of beta-adrenergic blockade on plasma cyclic AMP and blood sugar responses to glucagon and isoproterenol in man." Int J Clin Pharmacol Biopharm 14 (1976): 189-94
Johnsson G, Svedmyr N, Thiringer G "Effects of intravenous propranolol and metoprolol and their interaction with isoprenaline on pulmonary function, heart rate and blood pressure in asthmatics." Eur J Clin Pharmacol 8 (1975): 175-80
Ziegler MG, Chernow B, Woodson LC, Coyle J, Cruess D, Lake CR "The effect of propranolol on catecholamine clearance." Clin Pharmacol Ther 40 (1986): 116-9
Thiringer G, Svedmyr N "Interaction of orally administered metoprolol, practolol and propranolol with isoprenaline in asthmatics." Eur J Clin Pharmacol 10 (1976): 163-70
Mann DE, Marmont P, Shultz J, Reiter MJ "Atrioventricular nodal reentrant tachycardia initiated by catecholamine-induced ventricular tachycardia. A case report." J Electrocardiol 24 (1991): 191-5
Falliers CJ, Vincent ME, Medakovic M "Effect of single doses of labetalol, metoprolol, and placebo on ventilatory function in patients with bronchial asthma: interaction with isoproterenol." J Asthma 23 (1986): 251-60
Pickles H, Perucca E, Fish A, Richens A "Propranolol and sotalol as antagonists of isoproterenol-enhanced physiologic tremor." Clin Pharmacol Ther 30 (1981): 303-10
Vlay SC "Isoproterenol-induced bradyarrhythmias." Am Heart J 122 (1991): 1169
Vlay SC "Catecholamine-sensitive ventricular tachycardia." Am Heart J 114 (1987): 455-61

Inderal

Generic Name: propranolol

Brand name: Inderal LA, Inderal XL, InnoPran XL, Inderal, Hemangeol, InnoPran XL

Synonyms: n.a.

What is Inderal?

Medihaler-Iso

Generic Name: isoproterenol

Brand name: Isuprel

Synonyms: n.a.

What is Medihaler-Iso?

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In the course of checking the drug compatibility and interactions, data from the following reference sources was used: Drugs.com, Rxlist.com, Webmd.com, Medscape.com.

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