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Chlorpheniramine Brand Names
AHIST | Aller-Chlor | Allergy | Allergy Relief | Allergy Time | Chlorphen SR | Chlor-Pheniton | ChlorTan | Chlor-Trimeton | Chlor-Trimeton Allergy | Chlor-Trimeton Allergy 12 Hour | Diabetic Tussin Allergy Relief | ED Chlorped Jr. | Ed ChlorPed Pediatric | ED-ChlorPed | ED-Chlortan | ED-Chlor-Tan | PediaPhyl | PediaTan | Pediox-S | P-Tann | Qdall AR | TanaHist-PD | Teldrin HBP
What is Chlorpheniramine
Chlorpheniramine is a first generation, oral sedating antihistamine (H1-blocker) of the alkylamine class.
In contrast to first generation antihistamines from the ethanolamine class, such as diphenhydramine, the alkylamine antihistamines, such as chlorpheniramine, are considered less sedating and have less anticholinergic effects. However, these effects are still substantial for some patients compared to newer, non-sedating antihistamines.
Chlorpheniramine is used to relieve seasonal allergic rhinitis and to treat other allergic conditions.
Chlorpheniramine was originally marketed as a prescription-only drug in 1950 and was later moved to non-prescription (OTC) status.
Indications
- allergic conjunctivitis
- allergic rhinitis
- common cold
- pruritus
- rhinorrhea
- sneezing
- urticaria
For the treatment of allergic conjunctivitis, allergic rhinitis, seasonal allergies, symptoms of the common cold, pruritus, urticaria, and other histamine-mediated allergic symptoms (rhinorrhea, sneezing)
Side Effects
- abdominal pain
- agranulocytosis
- aplastic anemia
- ataxia
- blurred vision
- confusion
- constipation
- dizziness
- drowsiness
- hallucinations
- headache
- hypertension
- hypotension
- impaired cognition
- insomnia
- nausea
- palpitations
- psychosis
- restlessness
- seizures
- sinus tachycardia
- thrombocytopenia
- urinary retention
- vomiting
- weakness
- xerophthalmia
- xerostomia
Monitoring Parameters
- laboratory monitoring not necessary
Contraindications
- anticholinergic medications
- asthma
- bladder obstruction
- breast-feeding
- cardiac disease
- cardiomyopathy
- children
- chronic obstructive pulmonary disease (COPD)
- closed-angle glaucoma
- coadministration with other CNS depressants
- contact lenses
- driving or operating machinery
- ethanol ingestion
- geriatric
- GI obstruction
- heart failure
- hepatic disease
- hypertension
- ileus
- infants
- neonates
- peptic ulcer disease
- pregnancy
- prostatic hypertrophy
- urinary retention
Interactions
- Acetaminophen; Butalbital
- Acetaminophen; Butalbital; Caffeine
- Acetaminophen; Butalbital; Caffeine; Codeine
- Acetaminophen; Caffeine; Dihydrocodeine
- Acetaminophen; Codeine
- Acetaminophen; Dichloralphenazone; Isometheptene
- Acetaminophen; Hydrocodone
- Acetaminophen; Oxycodone
- Acetaminophen; Pentazocine
- Acetaminophen; Propoxyphene
- Acetaminophen; Tramadol
- Alfentanil
- Alosetron
- Amantadine
- Ambenonium Chloride
- Amikacin
- Aminoglycosides
- Amlodipine; Celecoxib
- Amobarbital
- Amoxapine
- Amphetamine
- Amphetamine; Dextroamphetamine
- Amphetamine; Dextroamphetamine Salts
- Anticholinergics
- Apomorphine
- Artemether; Lumefantrine
- Asenapine
- Aspirin, ASA; Butalbital; Caffeine
- Aspirin, ASA; Butalbital; Caffeine; Codeine
- Aspirin, ASA; Caffeine; Dihydrocodeine
- Aspirin, ASA; Caffeine; Orphenadrine
- Aspirin, ASA; Carisoprodol
- Aspirin, ASA; Carisoprodol; Codeine
- Aspirin, ASA; Oxycodone
- Atazanavir; Cobicistat
- Atracurium
- Atropine; Difenoxin
- Atropine; Diphenoxylate
- Atropine; Hyoscyamine; Phenobarbital; Scopolamine
- Azelastine
- Azelastine; Fluticasone
- Baclofen
- Barbiturates
- Belladonna Alkaloids; Ergotamine; Phenobarbital
- Belladonna; Opium
- Benzhydrocodone; Acetaminophen
- Benzodiazepines
- Benzphetamine
- Brompheniramine; Carbetapentane; Phenylephrine
- Brompheniramine; Guaifenesin; Hydrocodone
- Brompheniramine; Hydrocodone; Pseudoephedrine
- Buprenorphine
- Buprenorphine; Naloxone
- Buspirone
- Butabarbital
- Butorphanol
- Cannabidiol
- Capsaicin; Metaxalone
- Carbetapentane; Chlorpheniramine
- Carbetapentane; Chlorpheniramine; Phenylephrine
- Carbetapentane; Diphenhydramine; Phenylephrine
- Carbetapentane; Guaifenesin
- Carbetapentane; Guaifenesin; Phenylephrine
- Carbetapentane; Phenylephrine
- Carbetapentane; Phenylephrine; Pyrilamine
- Carbetapentane; Pseudoephedrine
- Carbetapentane; Pyrilamine
- Carbidopa; Levodopa; Entacapone
- Carbinoxamine; Hydrocodone; Phenylephrine
- Carbinoxamine; Hydrocodone; Pseudoephedrine
- Carisoprodol
- Celecoxib
- Cenobamate
- Cetirizine
- Cetirizine; Pseudoephedrine
- Chlorpheniramine; Codeine
- Chlorpheniramine; Dihydrocodeine; Phenylephrine
- Chlorpheniramine; Dihydrocodeine; Pseudoephedrine
- Chlorpheniramine; Guaifenesin; Hydrocodone; Pseudoephedrine
- Chlorpheniramine; Hydrocodone
- Chlorpheniramine; Hydrocodone; Phenylephrine
- Chlorpheniramine; Hydrocodone; Pseudoephedrine
- Chlorpromazine
- Chlorzoxazone
- Cisatracurium
- Clobazam
- Clozapine
- Cobicistat
- Codeine
- Codeine; Guaifenesin
- Codeine; Phenylephrine; Promethazine
- Codeine; Promethazine
- COMT inhibitors
- Cyclobenzaprine
- Dantrolene
- Darunavir; Cobicistat
- Darunavir; Cobicistat; Emtricitabine; Tenofovir alafenamide
- Dasabuvir; Ombitasvir; Paritaprevir; Ritonavir
- Desloratadine
- Desloratadine; Pseudoephedrine
- Deutetrabenazine
- Dexmedetomidine
- Dextroamphetamine
- Dextromethorphan; Promethazine
- Dihydrocodeine; Guaifenesin; Pseudoephedrine
- Diphenhydramine; Hydrocodone; Phenylephrine
- Disopyramide
- Donepezil
- Donepezil; Memantine
- Doxacurium
- Doxorubicin
- Dronabinol
- Dronedarone
- Droperidol
- Dutasteride; Tamsulosin
- Eliglustat
- Elvitegravir; Cobicistat; Emtricitabine; Tenofovir Alafenamide
- Elvitegravir; Cobicistat; Emtricitabine; Tenofovir Disoproxil Fumarate
- Entacapone
- Esketamine
- Eszopiclone
- Ethanol
- Etomidate
- Ezogabine
- Fentanyl
- Flibanserin
- Fluoxetine; Olanzapine
- Fluphenazine
- Fospropofol
- Gabapentin
- Galantamine
- Gentamicin
- Guaifenesin; Hydrocodone
- Guaifenesin; Hydrocodone; Pseudoephedrine
- Halogenated Anesthetics
- Haloperidol
- Heparin
- Homatropine; Hydrocodone
- Hyaluronidase
- Hyaluronidase, Recombinant; Immune Globulin
- Hydantoins
- Hydrocodone
- Hydrocodone; Ibuprofen
- Hydrocodone; Phenylephrine
- Hydrocodone; Potassium Guaiacolsulfonate
- Hydrocodone; Potassium Guaiacolsulfonate; Pseudoephedrine
- Hydrocodone; Pseudoephedrine
- Hydromorphone
- Ibuprofen; Oxycodone
- Iloperidone
- Isocarboxazid
- Kanamycin
- Ketamine
- Lasmiditan
- Levocetirizine
- Levomethadyl
- Levorphanol
- Lithium
- Lofexidine
- Loperamide
- Loperamide; Simethicone
- Lopinavir; Ritonavir
- Loratadine
- Loratadine; Pseudoephedrine
- Loxapine
- Lumateperone
- Lurasidone
- Magnesium Salts
- Maprotiline
- Meclizine
- Meperidine
- Meperidine; Promethazine
- Mephobarbital
- Meprobamate
- Metaxalone
- Methadone
- Methamphetamine
- Methocarbamol
- Methohexital
- Metoclopramide
- Metyrapone
- Metyrosine
- Minocycline
- Mirabegron
- Mirtazapine
- Mitotane
- Mivacurium
- Molindone
- Monoamine oxidase inhibitors
- Morphine
- Morphine; Naltrexone
- Nabilone
- Nalbuphine
- Nebivolol
- Nebivolol; Valsartan
- Nefazodone
- Neuromuscular blockers
- Olanzapine
- Ombitasvir; Paritaprevir; Ritonavir
- Opiate Agonists
- Oritavancin
- Orphenadrine
- Oxycodone
- Oxymorphone
- Paliperidone
- Pancuronium
- Paromomycin
- Paroxetine
- Peginterferon Alfa-2b
- Pentazocine
- Pentazocine; Naloxone
- Pentobarbital
- Perampanel
- Perphenazine
- Perphenazine; Amitriptyline
- Phenelzine
- Phenobarbital
- Phenylephrine; Promethazine
- Pimozide
- Pitolisant
- Plazomicin
- Pramipexole
- Pregabalin
- Primidone
- Procarbazine
- Prochlorperazine
- Promethazine
- Propofol
- Propoxyphene
- Quetiapine
- Ramelteon
- Rapacuronium
- Rasagiline
- Remifentanil
- Risperidone
- Ritonavir
- Rituximab; Hyaluronidase
- Rivastigmine
- Rocuronium
- Rolapitant
- Ropinirole
- Safinamide
- Secobarbital
- Selegiline
- Sincalide
- Sodium Iodide
- Solifenacin
- Streptomycin
- Succinylcholine
- Sufentanil
- Suvorexant
- Tacrine
- Tamsulosin
- Tapentadol
- Tasimelteon
- Thalidomide
- Thiopental
- Thioridazine
- Thiothixene
- Tizanidine
- Tobramycin
- Tolcapone
- Tramadol
- Tranylcypromine
- Trastuzumab; Hyaluronidase
- Trazodone
- Tricyclic antidepressants
- Trifluoperazine
- Trimethobenzamide
- Trospium
- Tubocurarine
- Vecuronium
- Vemurafenib
- Vigabatrin
- Vilazodone
- Zaleplon
- Ziconotide
- Ziprasidone
- Zolpidem