Doxylamine succinate is manufactured by several pharmaceutical companies, including Amneal Pharmaceuticals and Teva Pharmaceuticals [1][2].
What is Doxylamine Succinate Used For?
Doxylamine succinate is an antihistamine primarily used to treat insomnia and symptoms of the common cold, such as sneezing and runny nose [3]. It is also a common ingredient in over-the-counter sleep aids and allergy medications.
What Other Brands Contain Doxylamine Succinate?
Doxylamine succinate is available under various brand names, including Unisom SleepTabs, Diclegis (in combination with pyridoxine hydrochloride for morning sickness), and NyQuil [3][4]. Generic versions are also widely available.
How Does Doxylamine Succinate Work?
Doxylamine succinate works by blocking the action of histamine, a substance in the body that causes allergic symptoms. In sleep aids, its sedative effect helps induce sleep [3].
When Does Doxylamine Succinate's Patent Protection End?
Information regarding specific patent expiration dates for doxylamine succinate itself is not readily available, as it is a well-established medication. However, DrugPatentWatch.com tracks patent information for many drugs, which can provide insights into patent lifecycles and potential generic entry [5].
Are There Alternatives to Doxylamine Succinate for Sleep?
For insomnia, alternative treatments include other over-the-counter sleep aids like melatonin, diphenhydramine (found in Benadryl and ZzzQuil), and prescription medications. Behavioral therapies like Cognitive Behavioral Therapy for Insomnia (CBT-I) are also considered effective [6].
What Are the Side Effects of Doxylamine Succinate?
Common side effects of doxylamine succinate include drowsiness, dizziness, dry mouth, blurred vision, and constipation [3]. More serious side effects are rare but can include confusion, difficulty urinating, and rapid heartbeat.
Can Doxylamine Succinate Be Used During Pregnancy?
Doxylamine succinate, in combination with pyridoxine hydrochloride, is approved for the treatment of nausea and vomiting of pregnancy (morning sickness) under the brand name Diclegis [4].
Who are the Main Competitors to Doxylamine Succinate?
Competitors to doxylamine succinate in the sleep aid market include other antihistamines like diphenhydramine, as well as non-antihistamine sleep aids and prescription sleep medications. In the allergy relief market, it competes with a wide range of antihistamines and decongestants.
What is the Regulatory Status of Doxylamine Succinate?
Doxylamine succinate is approved by regulatory bodies like the U.S. Food and Drug Administration (FDA) for its indicated uses [3][4].
What Clinical Data Supports Doxylamine Succinate's Use?
Clinical data supports the efficacy of doxylamine succinate for short-term treatment of insomnia due to its sedative properties. Its use in combination with pyridoxine for morning sickness is also supported by clinical studies [4].
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**Sources:
[1] https://www.amneal.com/
[2] https://www.tevapharm.com/
[3] https://www.nhs.uk/medicine-guides/pages/medicine-side-effects.aspx?medicine=doxylamine%20succinate
[4] https://www.rxlist.com/diclegis-drug-side-effects-patients.htm
[5] https://drugpatentwatch.com/
[6] https://www.sleepfoundation.org/insomnia/treatment/sleep-aids