diclegis
Diclegis is a combination medicine containing Doxylamine Succinate and Pyridoxine Hydrochloride.
Doxylamine Succinate and Pyridoxine Hydrochloride · by Duchesnay
Key facts
What is Diclegis?
From the FDA label:Doxylamine succinate and pyridoxine hydrochloride delayed-release tablets are round, white, film-coated, delayed-release tablets containing 10 mg of doxylamine succinate and 10 mg of pyridoxine hydrochloride. Tablets are imprinted on one side with the pink image of a pregnant woman. Inactive ingredients are as follows: ammonium hydroxide, n-butanol, carnauba wax powder, colloidal silicon dioxide, croscarmellose sodium, D&C Red#27, denatured alcohol, FD&C Blue#2, hypromellose, isopropyl alcohol, magnesium stearate, magnesium trisilicate, methacrylic acid copolymer, microcrystalline cellulose 102, PEG 400, PEG 8000, polysorbate 80, propylene glycol, shellac glaze, simethicone, sodium bicarbonate, sodium lauryl sulfate, talc, titanium dioxide, triethyl citrate. Doxylamine Succinate Doxylamine succinate is classified as an antihistamine. The chemical name for doxylamine succinate is ethanamine, N,N-dimethyl-2-[1-phenyl-1-(2-pyridinyl)ethoxy]-, butanedioate (1:1). The empirical formula is C 17 H 22 N 2 O • C 4 H 6 O 4 and the molecular mass is 388.46. The structural formula is: Doxylamine succinate is a white to creamy white powder that is very soluble in water and alcohol, freely soluble in chloroform and very slightly soluble in ether and benzene. Pyridoxine Hydrochloride Pyridoxine hydrochloride is a vitamin B6 analog. The chemical name for pyridoxine hydrochloride is…
How to use
Take two tablets daily at bedtime. If symptoms are not adequately controlled, the dose can be increased to a maximum recommended dose of four tablets daily (one in the morning, one mid-afternoon and two at bedtime) as described in the full prescribing information. ( 2 ) 2.1 Dosage Information Initially, take two doxylamine succinate and pyridoxine hydrochloride delayed-release tablets orally at bedtime (Day 1). If this dose adequately controls symptoms the next day, continue taking two tablets daily at bedtime. However, if symptoms persist into the afternoon of Day 2, take the usual dose of two tablets at bedtime that night then take three tablets starting on Day 3 (one tablet in the morning and two tablets at bedtime). If these three tablets adequately control symptoms on Day 4, continue taking three tablets daily. Otherwise take four tablets starting on Day 4 (one tablet in the morning, one tablet mid-afternoon and two tablets at bedtime). The maximum recommended dose is four tablets (one in the morning, one in the mid-afternoon and two at bedtime) daily. Take on an empty stomach with a glass of water [ see Clinical Pharmacology (12.3) ]. Swallow tablets whole. Do not crush, chew, or split doxylamine succinate and pyridoxine hydrochloride delayed-release tablets. Take as a daily prescription and not on an as needed basis. Reassess the woman for continued need for doxylamine…
Side effects
The following adverse reactions are discussed elsewhere in the labeling: Somnolence [ see Warnings and Precautions (5.1) ] Falls or other accidents resulting from the effect of the combined use of doxylamine succinate and pyridoxine hydrochloride delayed-release tablets with CNS depressants including alcohol [ see Warnings and Precautions (5.1) ] The most common adverse reaction with doxylamine succinate and pyridoxine hydrochloride delayed-release tablets (≥5 percent and exceeding the rate in placebo) is somnolence. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Analog Pharma Inc. at 1-844-884-5505 or [email protected] or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trial Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice. The safety and efficacy of doxylamine succinate and pyridoxine hydrochloride delayed-release tablets were compared to placebo in a double-blind, randomized, multi-center trial in 261 women with nausea and vomiting of pregnancy. The mean gestational age at enrollment was 9.3 weeks, range 7 to 14 weeks gestation [ see Clinical Studies (14) ] . Adverse reactions for doxylamine succinate and pyridoxine…
Warnings
Important safety information
Activities requiring mental alertness: Avoid engaging in activities requiring complete mental alertness, such as driving or operating heavy machinery, while using doxylamine succinate and pyridoxine hydrochloride delayed-release tablets until cleared to do so by a healthcare provider ( 5.1 ) Central nervous system (CNS) depressants: Concurrent use with alcohol or other CNS depressants is not recommended ( 5.1 ) Anticholinergic actions: Use with caution in patients with increased intraocular pressure, narrow angle glaucoma, stenosing peptic ulcer, pyloroduodenal obstruction and urinary bladder-neck obstruction ( 5.2 ) Interference with urine drug screen: Doxylamine succinate and pyridoxine hydrochloride delayed-release tablets may interfere with urine screening for methadone, opiates and PCP ( 5.3 ) 5.1 Activities Requiring Mental Alertness Doxylamine succinate and pyridoxine hydrochloride delayed-release tablets may cause somnolence due to the anticholinergic properties of doxylamine succinate, an antihistamine. Women should avoid engaging in activities requiring complete mental alertness, such as driving or operating heavy machinery, while using doxylamine succinate and pyridoxine hydrochloride delayed-release tablets until cleared to do so by their healthcare provider. Doxylamine succinate and pyridoxine hydrochloride delayed-release tablets use is not recommended if a woman is concurrently using central nervous system (CNS) depressants including alcohol. The combination may result in severe drowsiness leading to falls or accidents [ see Drug Interactions (7.1) ] . 5.2 Concomitant Medical Conditions Doxylamine succinate and pyridoxine hydrochloride delayed-release tablets have anticholinergic properties and, therefore, should be used with caution in women with: increased intraocular pressure, narrow angle glaucoma, stenosing peptic ulcer, pyloroduodenal obstruction and urinary bladder-neck obstruction. 5.3 Interference with Urine Screen for Methadone, Opiates and Phencyclidine Phosphate (PCP) There have been reports of false positive urine screening tests for methadone, opiates, and PCP with doxylamine succinate/pyridoxine hydrochloride use [see Drug Interactions (7.3)].
Who should not take Diclegis
Doxylamine succinate and pyridoxine hydrochloride delayed-release tablets are contraindicated in women with any of the following conditions: Known hypersensitivity to doxylamine succinate, other ethanolamine derivative antihistamines, pyridoxine hydrochloride or any inactive ingredient in the formulation Monoamine oxidase (MAO) inhibitors intensify and prolong the adverse central nervous system effects of doxylamine succinate and pyridoxine hydrochloride delayed-release tablets [ see Drug Interactions (7.1) ] . Known hypersensitivity to doxylamine succinate, other ethanolamine derivative antihistamines, pyridoxine hydrochloride or any inactive ingredient in the formulation ( 4 ) Monoamine oxidase (MAO) inhibitors ( 4 , 7 )
Overdose — what happens if you take too much
10.1 Signs and Symptoms of Overdose Doxylamine succinate and pyridoxine hydrochloride delayed-release tablets are a delayed-release formulation, therefore, signs and symptoms of intoxication may not be apparent immediately. Signs and symptoms of overdose may include restlessness, dryness of mouth, dilated pupils, sleepiness, vertigo, mental confusion and tachycardia. At toxic doses, doxylamine exhibits anticholinergic effects, including seizures, rhabdomyolysis, acute renal failure and death. 10.2 Management of Overdose If treatment is needed, it consists of gastric lavage or activated charcoal, whole bowel irrigation and symptomatic treatment. For additional information about overdose treatment, call a poison control center ( 1-800-222-1222 ).
U.S. Poison Control: call or text 1-800-222-1222 (free, 24/7). In an emergency call 911. From the FDA label; not medical advice.
Interactions
Severe drowsiness can occur when used in combination with alcohol or other sedating medications. ( 7 ) 7.1 Drug Interactions Use of doxylamine succinate and pyridoxine hydrochloride delayed-release tablets is contraindicated in women who are taking monoamine oxidase inhibitors (MAOIs), which prolong and intensify the anticholinergic (drying) effects of antihistamines. Concurrent use of alcohol and other CNS depressants (such as hypnotic sedatives and tranquilizers) with doxylamine succinate and pyridoxine hydrochloride delayed-release tablets is not recommended. 7.2 Drug-Food Interactions A food-effect study demonstrated that the delay in the onset of action of doxylamine succinate and pyridoxine hydrochloride delayed-release tablets may be further delayed, and a reduction in absorption may occur when tablets are taken with food [see Dosage and Administration (2) , Clinical Pharmacology (12.3) ] . Therefore, doxylamine succinate and pyridoxine hydrochloride delayed-release tablets should be taken on an empty stomach with a glass of water [ see Dosage and Administration (2 )]. 7.3 False Positive Urine Tests for Methadone, Opiates and PCP False positive drug screens for methadone, opiates, and PCP can occur with doxylamine succinate/pyridoxine hydrochloride use. Confirmatory tests, such as Gas Chromatography Mass Spectrometry (GC-MS), should be used to confirm the identity of the substance in the event of a positive immunoassay result. 7.1 Drug Interactions Use of doxylamine succinate and pyridoxine hydrochloride delayed-release tablets is contraindicated in women who are taking monoamine oxidase inhibitors (MAOIs), which prolong and intensify the anticholinergic (drying) effects of antihistamines. Concurrent use of alcohol and other CNS depressants (such as hypnotic sedatives and tranquilizers) with doxylamine succinate and pyridoxine hydrochloride delayed-release tablets is not recommended.
Dosage forms
Tablet, delayed release
The forms currently marketed in the U.S., per the FDA National Drug Code Directory.
Ways to save
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Frequently asked questions
- Is there a coupon or discount for Diclegis?
- pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Diclegis. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
- Who makes Diclegis?
- Diclegis is marketed by Duchesnay. You can see Duchesnay's full profile, rating, and other products on pharmaranks.
- Is Diclegis a brand-name or generic drug?
- Diclegis is a brand-name product with the active ingredient Doxylamine Succinate and Pyridoxine Hydrochloride.
- Is Diclegis available over the counter?
- No. Diclegis is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
- What forms does Diclegis come in?
- Diclegis is currently marketed as tablet, delayed release, per the FDA's National Drug Code Directory.
- Is Diclegis FDA-registered?
- Diclegis is on record with the U.S. FDA under application number NDA021876. You can verify this on its official FDA label.
- Is Diclegis safe?
- There's no single safe-or-not verdict, and we don't yet have a composite recall-safety score for Diclegis. Review its FDA-label side effects and warnings below, and always consult a licensed professional.
- What are the side effects of Diclegis?
- Diclegis's side effects are taken directly from its FDA label. From the label: The following adverse reactions are discussed elsewhere in the labeling: Somnolence [ see Warnings and Precautions (5.1) ] Falls or other accidents resulting from the effect of the combined use of doxylamine succinate and pyridoxine hydrochloride delayed-release tablets with CNS depressants includin… Both common and serious reactions are documented in full on this page. This is general reference from the FDA, not medical advice — always consult a professional.
Clinical content sourced from the FDA label via openFDA (U.S. FDA). View the FDA label on DailyMed → Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.
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