Clemastine Brand Name– Dailyhist-1 | Tavist | Tavist Allergy
What is Clemastine
Clemastine is an ethanolamine class, first-generation sedating antihistamine (H1-blocker).
Clemastine has a longer duration of action than more commonly used first-generation antihistamines such as chlorpheniramine and diphenhydramine.
The drug is used to temporarily reduce symptoms of the common cold, seasonal allergies, and other respiratory allergies such as rhinorrhea, itchy, watery eyes, sneezing, and nasal and throat pruritus.
Clemastine was originally approved by the FDA in 1977 as a prescription-only drug and is now available without a prescription (OTC).
Indications
- allergic rhinitis
- angioedema
- common cold
- ocular pruritus
- pruritus
- rhinorrhea
- sneezing
- urticaria
Side Effects
- abdominal pain
- agranulocytosis
- anaphylactic shock
- anorexia
- blurred vision
- chills
- confusion
- constipation
- diarrhea
- diplopia
- dizziness
- drowsiness
- euphoria
- excitability
- fatigue
- headache
- hemolytic anemia
- hyperhidrosis
- hypotension
- impaired cognition
- increased urinary frequency
- insomnia
- irritability
- nausea
- neuritis
- palpitations
- paresthesias
- photosensitivity
- restlessness
- seizures
- sinus tachycardia
- thrombocytopenia
- tinnitus
- tremor
- urinary retention
- urticaria
- vertigo
- vomiting
- weakness
- xerophthalmia
- xerostomia
Monitoring Parameters
- laboratory monitoring not necessary
Contraindications
- anticholinergic medications
- asthma
- bladder obstruction
- breast-feeding
- cardiac disease
- children
- chronic obstructive pulmonary disease (COPD)
- closed-angle glaucoma
- contact lenses
- driving or operating machinery
- geriatric
- GI obstruction
- hepatic disease
- ileus
- infants
- neonates
- 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
- Amobarbital
- Amoxapine
- Amphetamine
- Amphetamine; Dextroamphetamine
- Amphetamine; Dextroamphetamine Salts
- Anticholinergics
- Apomorphine
- Aripiprazole
- 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
- Atropine; Difenoxin
- Atropine; Diphenoxylate
- Atropine; Hyoscyamine; Phenobarbital; Scopolamine
- Azelastine
- Azelastine; Fluticasone
- Baclofen
- Barbiturates
- Belladonna Alkaloids; Ergotamine; Phenobarbital
- Belladonna; Opium
- Benzhydrocodone; Acetaminophen
- Benzodiazepines
- Benzphetamine
- Bethanechol
- 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
- 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
- Clobazam
- Clozapine
- Codeine
- Codeine; Guaifenesin
- Codeine; Phenylephrine; Promethazine
- Codeine; Promethazine
- COMT inhibitors
- Cyclobenzaprine
- Dantrolene
- Daratumumab; Hyaluronidase
- Desloratadine
- Desloratadine; Pseudoephedrine
- Deutetrabenazine
- Dexmedetomidine
- Dextroamphetamine
- Dextromethorphan; Promethazine
- Dihydrocodeine; Guaifenesin; Pseudoephedrine
- Diphenhydramine; Hydrocodone; Phenylephrine
- Disopyramide
- Donepezil
- Donepezil; Memantine
- Dronabinol
- Droperidol
- Entacapone
- Esketamine
- Eszopiclone
- Ethanol
- Etomidate
- Ezogabine
- Fentanyl
- Flibanserin
- Fluoxetine; Olanzapine
- Fluphenazine
- Fospropofol
- Gabapentin
- Galantamine
- 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
- Ketamine
- Lasmiditan
- Lemborexant
- Levocetirizine
- Levomethadyl
- Levorphanol
- Lithium
- Lofexidine
- Loratadine
- Loratadine; Pseudoephedrine
- Loxapine
- Lumateperone
- Lurasidone
- Magnesium Salts
- Maprotiline
- Meclizine
- Melatonin
- Meperidine
- Meperidine; Promethazine
- Mephobarbital
- Meprobamate
- Metaxalone
- Methadone
- Methamphetamine
- Methocarbamol
- Methohexital
- Metoclopramide
- Metyrapone
- Metyrosine
- Minocycline
- Mirtazapine
- Mitotane
- Molindone
- Monoamine oxidase inhibitors
- Morphine
- Morphine; Naltrexone
- Nabilone
- Nalbuphine
- Nefazodone
- Olanzapine
- Opiate Agonists
- Orphenadrine
- Oxycodone
- Oxymorphone
- Paliperidone
- Paroxetine
- Pentazocine
- Pentazocine; Naloxone
- Pentobarbital
- Perampanel
- Perphenazine
- Perphenazine; Amitriptyline
- Phenelzine
- Phenobarbital
- Phenylephrine; Promethazine
- Pimozide
- Pitolisant
- Pramipexole
- Pregabalin
- Primidone
- Procarbazine
- Prochlorperazine
- Promethazine
- Propofol
- Propoxyphene
- Quetiapine
- Ramelteon
- Rasagiline
- Remifentanil
- Risperidone
- Rituximab; Hyaluronidase
- Rivastigmine
- Ropinirole
- Safinamide
- Secobarbital
- Selegiline
- Sincalide
- Sodium Iodide
- Solifenacin
- Sufentanil
- Suvorexant
- Tacrine
- Tapentadol
- Tasimelteon
- Thalidomide
- Thiopental
- Thioridazine
- Thiothixene
- Tizanidine
- Tolcapone
- Tramadol
- Tranylcypromine
- Trastuzumab; Hyaluronidase
- Trazodone
- Tricyclic antidepressants
- Trifluoperazine
- Trimethobenzamide
- Trospium
- Vigabatrin
- Vilazodone
- Zaleplon
- Ziconotide
- Ziprasidone
- Zolpidem