doxylamine

(redirected from Diclegis)

doxylamine

 [dok″sil-am´ēn]
an antihistamine with sedative and anticholinergic effects; used as the succinate salt in the treatment of nasal, eye, and skin manifestations of allergic reactions, including allergic rhinitis, conjunctivitis, and itching, as an ingredient in cough and cold preparations, and in the short-term treatment of insomnia, administered orally.

doxylamine/pyridoxine

(dox-il-a-meen peer-ih-dox-een ),

Diclegis

(trade name),

Diclectin

(trade name)

Classification

Therapeutic: antiemetics
Pharmacologic: antihistamines
Pregnancy Category: A

Indications

Treatment of nausea and vomiting during pregnancy that has not responded to conservative management.

Action

Combination of an antihistamine and a vitamin B6 analog. Mechanism not known.

Therapeutic effects

Decreased nausea and vomiting associated with pregnancy.

Pharmacokinetics

Absorption: Well absorbed following oral administration. Food delays/decreases absorption.
Distribution: Doxylamine probably enters breast milk
Metabolism and Excretion: Doxylamine is mostly metabolized by the liver, inactive metabolites are renally excreted. Pyridoxine is a pro-drug, converted to its active metabolite by the liver.
Half-life: Doxylamine—12.5 hr; pyridoxine—0.4–0.5 hr

Time/action profile (anti-emetic effect)

ROUTEONSETPEAKDURATION
POunkunk8–24 hr

Contraindications/Precautions

Contraindicated in: Hypersensitivity to doxylamine or pyridoxineConcurrent use of MAOIs Lactation: Doxylamine probably enters breast milk and may cause irritability, excitement, or sedation in infants; breast feeding should be avoided.
Use Cautiously in: AsthmaIncreased intraocular pressure or narrow angle glaucomaStenosing peptic ulcer or pyloroduodenal obstructionUrinary bladder-neck obstruction Pediatric: Safe and effective use in children <18 yr has not been established

Adverse Reactions/Side Effects

Central nervous system

  • drowsiness (most frequent)

Interactions

Drug-Drug interaction

↑ risk of CNS depression with other CNS depressants including alcohol, other antihistamines, opioid analgesics, and sedative/hypnotics Concurrent use of MAOIs ↑ intensity/duration of adverse CNS (anticholinergic) reactions

Route/Dosage

Oral (Adults) Day 1—Two tablets (doxylamine 10 mg/pyridoxine 10 mg) at bedtime, if symptoms are controlled continue this regimen; Day 2, if symptoms persist into afternoon on day 2—two tablets at bedtime on day 2 and then one tablet in the morning on day 3 and two tablets in the evening, if symptoms are controlled, continue this regimen; Day 4, if symptoms persist—one tablet in the morning, one tablet mid-afternoon and two tablets at bedtime (not to exceed four tablets daily).

Availability

Delayed-release tablets: doxylamine 10 mg/pyridoxine 10 mg

Nursing implications

Nursing assessment

  • Assess for frequency and amount of emesis daily during therapy. Reassess need for medication as pregnancy progresses.

Potential Nursing Diagnoses

Nausea (Indications)
Risk for injury (Adverse Reactions)

Implementation

  • Oral: Administer on an empty stomach with a full glass of water; food delays onset of medication. Swallow tablets whole; do not crush, break, or chew.

Patient/Family Teaching

  • Instruct patient to take as directed.
  • May cause drowsiness. Caution patient to avoid driving and other activities requiring alertness until response to medication is known.
  • Advise patient to avoid alcohol and CNS depressants, including sedatives, tranquilizers, antihistamines, opioids, and some cough and cold medications with doxylamine pyridoxine.
  • Instruct patient to notify health care professional of all Rx or OTC medications, vitamins, or herbal products being taken and consult health care professional before taking any new medications.
  • Advise female patient to avoid breast feeding during therapy.

Evaluation/Desired Outcomes

  • Decrease in frequency of nausea and vomiting during pregnancy.

doxylamine

/dox·yl·amine/ (dok-sil´ah-mēn) an antihistamine with anticholinergic and sedative effects, used as the succinate salt.

doxylamine

an antihistamine used in the treatment of allergic reactions and laminitis in cattle and horses.
References in periodicals archive ?
The recent trial was part of the reason that the Food and Drug Administration (FDA) approved the popular morning sickness drug known as Diclegis.
Currently, the oral form of Diclegis is the only FDA approved medication for morning sickness in pregnant women and in 2015 reached sales in the United States of approximately U.
study that resulted in the approval of Diclegis, marketed by Duchesnay USA, and has served as a consultant to Duchesnay.
But when the expectant mother posted on Instagram about Diclegis, a morning sickness pill, the post yielded a warning letter from the Food and Drug Administration to the maker of the drug, Duchesnay USA.
that my last post about Diclegis (doxylamine succinate and pyridoxine HCl) was incomplete because it did not include any risk information or important limitations of use for Diclegis.
This week the reality TV star was harangued by the US Food and Drug Administration for being paid a fortune to take one of her trademark selfies, posing with the morning sickness medication Diclegis.
Thirty years after Bendectin's withdrawal from the market, the drug (now renamed Diclegis) has won Food and Drug Administration approval as the only FDA-approved treatment for morning sickness (FDA News Release, "FDA approves Diclegis for pregnant women experiencing nausea and vomiting", online: US Food and Drug Administration <www.
In April 2013, the FDA approved Diclegis, the combination of doxylamine succinate 10 mg plus pyridoxine hydrochloride 10 mg delayed-release tablets, for the treatment of NVP in women who do not respond to conservative management.
M2 EQUITYBITES-May 24, 2013-i" Duchesnay USA introduces Diclegis in US pharmacies(C)2013 M2 COMMUNICATIONS http://www.
M2 PHARMA-May 24, 2013-i" Duchesnay USA introduces Diclegis in US pharmacies(C)2013 M2 COMMUNICATIONS
Food and Drug Administration approved the release of a drug called Diclegis, a new version of a pill that was previously sold under the name Bendectin.
Doxylamine/pyridoxine is currently marketed as Diclegis (US) / Diclectin (Canada) for the treatment of NVP as an oral tablet, dosed up to four times per day and is the only FDA-approved medication to treat this condition.