This combination medication (doxylamine with pyridoxine) is used to prevent or reduce nausea and vomiting caused by pregnancy. Decreasing nausea and vomiting may improve your health and nutrition during pregnancy. Doxylamine is an antihistamine that is thought to work by affecting certain natural substances (acetylcholine, serotonin) in your body or by acting directly on certain parts of the brain. Pyridoxine is a B vitamin that is important for good health. Most people get enough pyridoxine in their diet, but certain health conditions (e.g., pregnancy, poor diet, alcoholism) can result in a lack of this vitamin.
Read the Patient Information Leaflet if available from your pharmacist before you start taking this medication and each time you get a refill. If you have any questions, ask your doctor or pharmacist.
Take this medication by mouth without food as directed by your doctor. If this medication is taken with food, it may take longer for it to start to work but will not decrease the effect.
Swallow the medication whole with a full glass of water. Do not crush, chew, or break the tablets.
Dosage is based on your medical condition and response to treatment. This medication is usually taken at bedtime to decrease nausea and vomiting in the morning. If nausea persists during the day, additional doses may be prescribed by your doctor. Talk with your doctor about your symptoms and the best dose schedule for you. Do not take more than 4 tablets in a day.
Do not stop using this medication or change your dose without consulting your doctor. Some conditions may become worse when the drug is suddenly stopped. Your dose may need to be gradually decreased.
Use this medication regularly to get the most benefit from it. To help you remember, take it at the same times each day.
Drowsiness, dizziness, stomach upset, diarrhea, constipation, headache, and trouble sleeping may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if any of these unlikely but serious side effects occur: mental/mood changes (e.g., confusion, irritability, nervousness), trouble urinating.
Tell your doctor right away if any of these rare but very serious side effects occur: easy bruising/bleeding, fast/irregular heartbeat, seizure.
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Before taking this product, tell your doctor or pharmacist if you are allergic to doxylamine or pyridoxine; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: asthma, eye problems (such as glaucoma), heart problems, liver disease, seizures, stomach problems (such as ulcers, blockage), urination problems (such as urinary retention).
This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Avoid alcoholic beverages.
Older adults may be more sensitive to the side effects of this drug, especially drowsiness, dizziness, low blood pressure, confusion, constipation, or trouble urinating. Drowsiness, dizziness, and confusion can increase the risk of falling.
This product is safe to use during pregnancy.
Pyridoxine passes into breast milk. It is unknown if doxylamine passes into breast milk. However, similar drugs pass into breast milk. Doxylamine may have undesirable effects on a nursing infant. Consult your doctor before breast-feeding.
Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.
This product should not be used with the following medications because very serious interactions may occur: altretamine, cisplatin.
If you are currently using any of these medications listed above, tell your doctor or pharmacist before starting this product.
Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: anticholinergics (e.g., benztropine, trihexyphenidyl), antihistamines applied to the skin (such as diphenhydramine cream, ointment, spray), antispasmodics (e.g., atropine, belladonna alkaloids), levodopa (when used without carbidopa), MAO inhibitors (isocarboxazid, linezolid, methylene blue, moclobemide, phenelzine, procarbazine, rasagiline, selegiline, tranylcypromine), scopolamine.
Tell your doctor or pharmacist if you also take drugs that cause drowsiness such as: certain antihistamines (e.g., diphenhydramine), anti-seizure drugs (e.g., carbamazepine), other medicine for sleep or anxiety (e.g., alprazolam, diazepam, zolpidem), muscle relaxants, narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., chlorpromazine, risperidone, amitriptyline, trazodone). Check the labels on all your medicines (e.g., cough-and-cold products) because they may contain ingredients that may cause drowsiness. Ask your pharmacist about using those products safely.
This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
If overdose is suspected, contact a poison control center or emergency room right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: flushing, hallucinations, weakness, shaking (tremor), muscle twitching, loss of consciousness, seizures.
Do not share this medication with others.
Do not take for several days before allergy testing because test results can be affected.
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.
Store at room temperature between 59-86 degrees F (15-30 degrees C) away from light and moisture. Do not store in the bathroom. Keep all medicines away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.
Information last revised November 2013. Copyright(c) 2013 First Databank, Inc.
With WebMD's Medicine Cabinet, you can check interactions with drugs.Go to medicine cabinet