Chlorphen Mal, Pseudoeph HCl and Razadyne ER
Determining the interaction of Chlorphen Mal, Pseudoeph HCl and Razadyne ER and the possibility of their joint administration.
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:Talk to your doctor before using chlorpheniramine together with galantamine. Medications like chlorpheniramine may reduce the effectiveness of galantamine. In addition, patients with Alzheimer's disease or other dementia may be more likely to experience nervous system side effects of chlorpheniramine such as drowsiness, confusion, and mental impairment. 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: Due to opposing effects, agents that possess anticholinergic activity (e.g., sedating antihistamines; antispasmodics; neuroleptics; phenothiazines; skeletal muscle relaxants; tricyclic antidepressants; class IA antiarrhythmics especially disopyramide; carbamazepine; cimetidine; ranitidine) may negate the already small pharmacologic benefits of acetylcholinesterase inhibitors in the treatment of dementia. These agents may also adversely affect elderly patients in general. Clinically significant mental status changes associated with anticholinergic agents can range from mild cognitive impairment to delirium, and patients with Alzheimer's disease and other dementia are especially sensitive.
MANAGEMENT: Drugs that possess anticholinergic activity should generally be avoided in patients with Alzheimer's disease or other cognitive impairment, regardless of whether they are receiving an acetylcholinesterase inhibitor. For patients requiring treatment to counteract adverse effects of acetylcholinesterase inhibitor therapy (e.g., gastrointestinal intolerance, urinary problems), an agent without anticholinergic properties should be used whenever possible. Otherwise, a dosage reduction, slower titration, or even discontinuation of the acetylcholinesterase inhibitor should be considered. For patients who are already receiving an acetylcholinesterase inhibitor with anticholinergic agents, every attempt should be made to discontinue the latter or substitute them with less anticholinergic alternatives. Caution is required, however, since anticholinergic withdrawal may occur. Seizures have been reported following abrupt discontinuation of anticholinergics during acetylcholinesterase inhibitor therapy.
- Katz IR, Sands LP, Bilker W, DiFilippo S, Boyce A, D'Angelo K "Identification of medications that cause cognitive impairment in older people: the case of oxybutynin chloride." J Am Geriatr Soc 46 (1998): 8-13
- Roe CM, Anderson MJ, Spivack B "Use of anticholinergic medications by older adults with dementia." J Am Geriatr Soc 50 (2002): 836-42
- Fick DM, Cooper JW, Wade WE, Waller JL, Maclean JR, Beers MH "Updating the Beers criteria for potentially inappropriate medication use in older adults: results of a US consensus panel of experts." Arch Intern Med 163 (2003): 2716-2724
- Carnahan RM, Lund BC, Perry PJ, Chrischilles EA "The concurrent use of anticholinergics and cholinesterase inhibitors: rare event or common practice?" J Am Geriatr Soc 52 (2004): 2082-7
- Beers MH, Ouslander JG, Rollingher I, Reuben DB, Brooks J, Beck JC "Explicit criteria for determining inappropriate medication use in nursing home residents." Arch Intern Med 151 (1991): 1825-32
- Edwards KR, O'Connor JT "Risk of delirium with concomitant use of tolterodine and acetylcholinesterase inhibitors." J Am Geriatr Soc 50 (2002): 1165-6
Generic Name: chlorpheniramine / pseudoephedrine
Brand name: Allerest Maximum Strength, Dicel, LoHist-D, SudoGest Sinus & Allergy, Triaminic Cold and Allergy, Clorfed, Histalet, Fedahist, Tanafed, Novafed A, Chlorafed HS. Timecelles, Codimal-LA, Kronofed-A-Jr, Rescon, Rescon JR, Dura-Tap/PD, Fedahist Timecaps, Orlenta, Chlorphedrin SR, Colfed-A, D-Amine-SR, Deconomed SR, Pseudocot-C, Duralex, Rinade-BID, Suphenamine-SR, Isophen-DF, Kronofed-A, ND Clear, Chlordrine SR, Anamine TD, Time-Hist, Chlorafed Timecelles, Brexin LA, Rescon-Ed, Deconamine SR, Pseudochlor, Cophene No. 2, Anaplex, Anamine, Klerist-D, Codimal-LA Half, Fedahist Gyrocaps, Deconamine, Clorfed II, Curaler, Sudafed Plus, Chlorafed, Histafed LA, Chlor Trimeton Allergy Decongestant, Aller-Chlor Decongestant, Sudogest Plus, Ryna Liquid, Genaphed Plus, Dayquil Allergy, Hayfebrol Liquid, Suphedrine Plus, Atrohist Pediatric Capsule, Histex, Triaminic Softchew Cold and Allergy, Chlor-Trimeton Allergy Decongestant SR, Tavist-DA, Biohist LA, Dynahist-ER Pediatric, Pediacare Cold and Allergy, CP-Tannic, Durafed, Histade, Duotan, Mintex, QDall, Suclor, Sudafed Sinus/Allergy, Re2+30, Sudal-12, Pediox Chewable, C-Phed Tannate, De-Congestine, Sudal-12 Chewable, Sudal-12 Tannate, SudaHist, Triaminic Softchews Allergy Nose & Congestion, Duratuss DA, Neutrahist Drops, AccuHist Drops, Sudogest Cold & Allergy, Dicel Chewables, PediaCare Cold/Allergy
Synonyms: Chlorpheniramine and pseudoephedrine
Generic Name: galantamine
Brand name: Razadyne, Razadyne ER, Reminyl
Synonyms: n.a.
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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