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Azelastine Hydrochloride
Overview
What is Astepro?
ASTEPRO (azelastine hydrochloride) 0.1% nasal spray is an antihistamine (H receptor antagonist) formulated as a metered-spray solution for intranasal administration. ASTEPRO (azelastine hydrochloride) 0.15% nasal spray is an antihistamine (H receptor antagonist) formulated as a metered-spray solution for intranasal administration.
Azelastine hydrochloride occurs as a white, almost odorless, crystalline powder with a bitter taste. It has a molecular weight of 418.37. It is sparingly soluble in water, methanol, and propylene glycol and slightly soluble in ethanol, octanol, and glycerine. It has a melting point of about 225°C and the pH of a saturated solution is between 5.0 and 5.4. Its chemical name is (±)-1-(2H)-phthalazinone,4-[(4-chlorophenyl) methyl]-2-(hexahydro-1-methyl-1H-azepin-4-yl)-, monohydrochloride. Its molecular formula is CHClNO•HCl with the following chemical structure:
ASTEPRO 0.1% contains 0.1% azelastine hydrochloride in an isotonic aqueous solution containing sorbitol, sucralose, hypromellose, sodium citrate, edetate disodium, benzalkonium chloride (125 mcg/mL), and purified water (pH 6.4). After priming [], each metered spray delivers a 0.137 mL mean volume containing 137 mcg of azelastine hydrochloride (equivalent to 125 mcg of azelastine base). The 30-mL (net weight 30 gm of solution) bottle provides 200 metered sprays.
ASTEPRO 0.15% contains 0.15% azelastine hydrochloride in an isotonic aqueous solution containing sorbitol, sucralose, hypromellose, sodium citrate, edetate disodium, benzalkonium chloride (125 mcg/mL), and purified water (pH 6.4). After priming [], each metered spray delivers a 0.137 mL mean volume containing 205.5 mcg of azelastine hydrochloride (equivalent to 187.6 mcg of azelastine base). The 30-mL (net weight 30 gm of solution) bottle provides 200 metered sprays.
What does Astepro look like?
What are the available doses of Astepro?
Nasal spray solution available in two dosage strengths:
What should I talk to my health care provider before I take Astepro?
Pregnancy: Based on animal data, may cause fetal harm ()
How should I use Astepro?
ASTEPRO is an H-receptor antagonist indicated for the relief of the symptoms of:
Children 2 to 5 years of age
Children 6 to 11 years of age
Adults and adolescents 12 years of age and older
What interacts with Astepro?
Sorry No Records found
What are the warnings of Astepro?
Sorry No Records found
What are the precautions of Astepro?
Sorry No Records found
What are the side effects of Astepro?
Sorry No records found
What should I look out for while using Astepro?
None.
What might happen if I take too much Astepro?
There have been no reported overdosages with ASTEPRO. Acute overdosage by adults with this dosage form is unlikely to result in clinically significant adverse events, other than increased somnolence, since one 30-mL bottle of ASTEPRO 0.1% contains up to 30 mg of azelastine hydrochloride and one 30-mL bottle of ASTEPRO 0.15% contains up to 45 mg of azelastine hydrochloride. Clinical trials in adults with single doses of the oral formulation of azelastine hydrochloride (up to 16 mg) have not resulted in increased incidence of serious adverse events. General supportive measures should be employed if overdosage occurs. There is no known antidote to ASTEPRO. Oral ingestion of antihistamines has the potential to cause serious adverse effects in children. Accordingly, ASTEPRO should be kept out of the reach of children.
How should I store and handle Astepro?
Store at 25°C (77°F); excursions permitted from 15°C - 30°C (59°-86°F) [see USP Controlled Room Temperature]. Protect from light. Store between 15°C and 25°C (59°F and 77°F); Retain in the original package to protect from light. Freezing does not adversely affect the product. After initial puncture, Docetaxel Injection multiple dose vials are stable for 28 days when stored at room temperature, with protection from light. Store at 25°C (77°F); excursions permitted from 15°C - 30°C (59°-86°F) [see USP Controlled Room Temperature]. Protect from light. Store between 15°C and 25°C (59°F and 77°F); Retain in the original package to protect from light. Freezing does not adversely affect the product. After initial puncture, Docetaxel Injection multiple dose vials are stable for 28 days when stored at room temperature, with protection from light. Store at 25°C (77°F); excursions permitted from 15°C - 30°C (59°-86°F) [see USP Controlled Room Temperature]. Protect from light. Store between 15°C and 25°C (59°F and 77°F); Retain in the original package to protect from light. Freezing does not adversely affect the product. After initial puncture, Docetaxel Injection multiple dose vials are stable for 28 days when stored at room temperature, with protection from light. Store at 25°C (77°F); excursions permitted from 15°C - 30°C (59°-86°F) [see USP Controlled Room Temperature]. Protect from light. Store between 15°C and 25°C (59°F and 77°F); Retain in the original package to protect from light. Freezing does not adversely affect the product. After initial puncture, Docetaxel Injection multiple dose vials are stable for 28 days when stored at room temperature, with protection from light. Store at 25°C (77°F); excursions permitted from 15°C - 30°C (59°-86°F) [see USP Controlled Room Temperature]. Protect from light. Store between 15°C and 25°C (59°F and 77°F); Retain in the original package to protect from light. Freezing does not adversely affect the product. After initial puncture, Docetaxel Injection multiple dose vials are stable for 28 days when stored at room temperature, with protection from light. Store at 25°C (77°F); excursions permitted from 15°C - 30°C (59°-86°F) [see USP Controlled Room Temperature]. Protect from light. Store between 15°C and 25°C (59°F and 77°F); Retain in the original package to protect from light. Freezing does not adversely affect the product. After initial puncture, Docetaxel Injection multiple dose vials are stable for 28 days when stored at room temperature, with protection from light. Store at 25°C (77°F); excursions permitted from 15°C - 30°C (59°-86°F) [see USP Controlled Room Temperature]. Protect from light. Store between 15°C and 25°C (59°F and 77°F); Retain in the original package to protect from light. Freezing does not adversely affect the product. After initial puncture, Docetaxel Injection multiple dose vials are stable for 28 days when stored at room temperature, with protection from light. ASTEPRO (azelastine hydrochloride) 0.1% nasal spray is supplied as a 30-mL package delivering 200 metered sprays in a high-density polyethylene (HDPE) bottle fitted with a metered-dose spray pump unit. The spray pump unit consists of a nasal spray pump fitted with a blue safety clip and a blue plastic dust cover. The net content of the bottle is 30 mL (net weight 30 gm of solution). Each bottle contains 30 mg (1 mg/mL) of azelastine hydrochloride. After priming [], each spray delivers a fine mist containing a mean volume of 0.137 mL solution containing 137 mcg of azelastine hydrochloride. The correct amount of medication in each spray cannot be assured before the initial priming and after 200 sprays have been used, even though the bottle is not completely empty. The bottle should be discarded after 200 sprays have been used. ASTEPRO (azelastine hydrochloride) 0.15% nasal spray is supplied as a 30-mL package (NDC 0037-0243-30) delivering 200 metered sprays in a high-density polyethylene (HDPE) bottle fitted with a metered-dose spray pump unit. The spray pump unit consists of a nasal spray pump fitted with a blue safety clip and a blue plastic dust cover. The net content of the bottle is 30 mL (net weight 30 gm of solution). The 30-mL bottle contains 45 mg (1.5 mg/mL) of azelastine hydrochloride. After priming [], each spray delivers a fine mist containing a mean volume of 0.137 mL solution containing 205.5 mcg of azelastine hydrochloride. The correct amount of medication in each spray cannot be assured before the initial priming and after 200 sprays for the 30-mL bottle have been used, even though the bottle is not completely empty. The bottle should be discarded after 200 sprays have been used.ASTEPRO should not be used after the expiration date “EXP” printed on the medicine label and carton. ASTEPRO (azelastine hydrochloride) 0.1% nasal spray is supplied as a 30-mL package delivering 200 metered sprays in a high-density polyethylene (HDPE) bottle fitted with a metered-dose spray pump unit. The spray pump unit consists of a nasal spray pump fitted with a blue safety clip and a blue plastic dust cover. The net content of the bottle is 30 mL (net weight 30 gm of solution). Each bottle contains 30 mg (1 mg/mL) of azelastine hydrochloride. After priming [], each spray delivers a fine mist containing a mean volume of 0.137 mL solution containing 137 mcg of azelastine hydrochloride. The correct amount of medication in each spray cannot be assured before the initial priming and after 200 sprays have been used, even though the bottle is not completely empty. The bottle should be discarded after 200 sprays have been used. ASTEPRO (azelastine hydrochloride) 0.15% nasal spray is supplied as a 30-mL package (NDC 0037-0243-30) delivering 200 metered sprays in a high-density polyethylene (HDPE) bottle fitted with a metered-dose spray pump unit. The spray pump unit consists of a nasal spray pump fitted with a blue safety clip and a blue plastic dust cover. The net content of the bottle is 30 mL (net weight 30 gm of solution). The 30-mL bottle contains 45 mg (1.5 mg/mL) of azelastine hydrochloride. After priming [], each spray delivers a fine mist containing a mean volume of 0.137 mL solution containing 205.5 mcg of azelastine hydrochloride. The correct amount of medication in each spray cannot be assured before the initial priming and after 200 sprays for the 30-mL bottle have been used, even though the bottle is not completely empty. The bottle should be discarded after 200 sprays have been used.ASTEPRO should not be used after the expiration date “EXP” printed on the medicine label and carton. ASTEPRO (azelastine hydrochloride) 0.1% nasal spray is supplied as a 30-mL package delivering 200 metered sprays in a high-density polyethylene (HDPE) bottle fitted with a metered-dose spray pump unit. The spray pump unit consists of a nasal spray pump fitted with a blue safety clip and a blue plastic dust cover. The net content of the bottle is 30 mL (net weight 30 gm of solution). Each bottle contains 30 mg (1 mg/mL) of azelastine hydrochloride. After priming [], each spray delivers a fine mist containing a mean volume of 0.137 mL solution containing 137 mcg of azelastine hydrochloride. The correct amount of medication in each spray cannot be assured before the initial priming and after 200 sprays have been used, even though the bottle is not completely empty. The bottle should be discarded after 200 sprays have been used. ASTEPRO (azelastine hydrochloride) 0.15% nasal spray is supplied as a 30-mL package (NDC 0037-0243-30) delivering 200 metered sprays in a high-density polyethylene (HDPE) bottle fitted with a metered-dose spray pump unit. The spray pump unit consists of a nasal spray pump fitted with a blue safety clip and a blue plastic dust cover. The net content of the bottle is 30 mL (net weight 30 gm of solution). The 30-mL bottle contains 45 mg (1.5 mg/mL) of azelastine hydrochloride. After priming [], each spray delivers a fine mist containing a mean volume of 0.137 mL solution containing 205.5 mcg of azelastine hydrochloride. The correct amount of medication in each spray cannot be assured before the initial priming and after 200 sprays for the 30-mL bottle have been used, even though the bottle is not completely empty. The bottle should be discarded after 200 sprays have been used.ASTEPRO should not be used after the expiration date “EXP” printed on the medicine label and carton.
Clinical Information
Chemical Structure
No Image foundClinical Pharmacology
Azelastine hydrochloride, a phthalazinone derivative, exhibits histamine H-receptor antagonist activity in isolated tissues, animal models, and humans. ASTEPRO is administered as a racemic mixture with no difference in pharmacologic activity noted between the enantiomers in studies. The major metabolite, desmethylazelastine, also possesses H-receptor antagonist activity.
Non-Clinical Toxicology
None.Since labetalol hydrochloride injection may be administered to patients already being treated with other medications, including other antihypertensive agents, careful monitoring of these patients is necessary to detect and treat promptly any undesired effect from concomitant administration.
In one survey, 2.3% of patients taking labetalol HCl orally in combination with tricyclic antidepressants experienced tremor as compared to 0.7% reported to occur with labetalol HCl alone. The contribution of each of the treatments to this adverse reaction is unknown, but the possibility of a drug interaction cannot be excluded.
Drugs possessing beta-blocking properties can blunt the bronchodilator effect of beta-receptor agonist drugs in patients with bronchospasm; therefore, doses greater than the normal antiasthmatic dose of beta-agonist bronchodilator drugs may be required.
Cimetidine has been shown to increase the bioavailability of labetalol HCl administered orally. Since this could be explained either by enhanced absorption or by an alteration of hepatic metabolism of labetalol HCl, special care should be used in establishing the dose required for blood pressure control in such patients.
Synergism has been shown between halothane anesthesia and intravenously administered labetalol HCl. During controlled hypotensive anesthesia using labetalol HCl in association with halothane, high concentrations (3% or above) of halothane should not be used because the degree of hypotension will be increased and because of the possibility of a large reduction in cardiac output and an increase in central venous pressure. The anesthesiologist should be informed when a patient is receiving labetalol HCl.
Labetalol HCl blunts the reflex tachycardia produced by nitroglycerin without preventing its hypotensive effect. If labetalol HCl is used with nitroglycerin in patients with angina pectoris, additional antihypertensive effects may occur.
Care should be taken if labetalol is used concomitantly with calcium antagonists of the verapamil type.
Use of ASTEPRO has been associated with somnolence [].
Reference
This information is obtained from the National Institute of Health's Standard Packaging Label drug database.
"https://dailymed.nlm.nih.gov/dailymed/"
While we update our database periodically, we cannot guarantee it is always updated to the latest version.
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