Doxylamine
Doxylamine Uses, Dosage, Side Effects, Mechanism of Action, How Long Does it Take to Work? Doxylamine is a brand name. Its generic name is Doxylamine.
Introduction
Doxylamine is an antihistamine drug used to treat allergies, hay fever, and other allergies. It is the active ingredient in some over-the-counter sleep aids. This medication works by blocking histamine, which is a chemical naturally produced by the body during an allergic reaction.
Uses
Doxylamine is used to treat allergies, hay fever, and other allergies. It is also used as a sedative to help with insomnia and to reduce coughing in colds. Doxylamine is also used to treat motion sickness.
Mechanism of Action
Doxylamine works by blocking the actions of histamine, a substance that the body releases during an allergic reaction. It binds to histamine receptors, blocking the histamine from binding, and prevents the release of other allergy or cold related substances from cells in the body.
How Long Does It Take To Work?
Doxylamine usually begins to work within 30 minutes and is most effective between 1-2 hours after taking it. The effects of doxylamine can last for up to 8 hours.
Absorption
After oral administration, doxylamine is rapidly and almost completely absorbed into the bloodstream. Its bioavailability is 83-90%.
Route of Elimination
Doxylamine is eliminated from the body mainly through the kidneys. About 90-95% of doxylamine is excreted in the urine as intact drug or metabolites.
Dosage
Doxylamine is available in tablets, capsules, and syrup forms. The recommended adult dose is 25-50 mg orally every 6-8 hours or as directed by a physician. For pediatric patients, the recommended dose is 1-2 mg/kg orally every 6-8 hours or as directed by a physician.
Administration
Doxylamine should be taken orally with water. It can be taken with or without food. Do not take this medication with alcohol or with other over-the-counter sedatives.
Side Effect
Common side effects of doxylamine include drowsiness, dizziness, headache, dry mouth, decreased appetite, nausea, and vomiting.
Toxicity
Doxylamine is generally considered to be safe when taken as prescribed. An overdose of doxylamine can be life-threatening and may cause extreme drowsiness, slowed breathing, and even death.
Precaution
Before taking doxylamine, it is important to tell your doctor if you have liver or kidney disease, glaucoma, asthm
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Some Frequently Asked Questions About Doxylamine
What is Doxylamine?
Doxylamine is an antihistamine used to treat sneezing, runny nose, watery eyes, hives, skin rash, itching, and other cold or allergy symptoms.
What is Doxylamine used for?
Doxylamine is used to relieve sneezing, runny nose, watery eyes, hives, skin rash, itching, and other cold or allergy symptoms.
What is the generic name for Doxylamine?
The generic name for Doxylamine is pyridoxine hydrochloride, which is an antihistamine used to treat symptoms of allergies.
What is the chemical structure of Doxylamine?
The chemical structure of Doxylamine is C18H25ClN2O.
What are the side effects of Doxylamine?
Common side effects of Doxylamine are dry mouth, nausea, dizziness, drowsiness, and constipation. Rare side effects include headache, increased heart rate, difficulty breathing, and ringing in the ears.
Can Doxylamine be used for nausea?
Doxylamine is sometimes used to treat nausea, although it is not specifically indicated for this use.
What is the dosage for Doxylamine?
The dose of Doxylamine depends on the condition being treated. The usual dose for allergies is 25-50 mg every 4-6 hours. The maximum daily dose should not exceed 150 mg per day.
Is Doxylamine a narcotic?
No, Doxylamine is not a narcotic. It is an antihistamine used to relieve symptoms of allergies, hay fever, and the common cold.
How long does it take for Doxylamine to start working?
Doxylamine usually begins to work within 30 minutes of taking the dose. Maximum effects may take up to 4-6 hours.
Can you overdose on Doxylamine?
Yes, an overdose of Doxylamine can be serious and even fatal. Symptoms of an overdose can include confusion, agitation, increased heart rate, and difficulty breathing.
Is Doxylamine safe during pregnancy?
Doxylamine is generally not recommended during pregnancy as there is not enough information to determine the safety of the drug during this time.
Is Doxylamine a sedative?
Yes, Doxylamine is a sedative that is used for relief of sneezing, runny nose, watery eyes, hives, skin rash, itching, and other cold or allergy symptoms.
What type of drug is Doxylamine?
Doxylamine is an antihistamine, which is a type of drug used to block the body's histamine reaction to allergies and the common cold.
Does Doxylamine contain alcohol?
No, Doxylamine does not contain alcohol.
How long does Doxylamine stay in your system?
Doxylamine usually stays in your system for up to 6 hours. However, this can vary depending on other factors such as weight, age, and other medications being taken.
Does Doxylamine interact with any other medications?
Yes, Doxylamine can interact with other medications, including medications for depression, phenytoin, and rifampin. Be sure to tell your doctor about all the medications you are taking before taking Doxylamine.
Can I take Doxylamine with ibuprofen?
Yes, you can take Doxylamine and ibuprofen together, as long as they are taken at least 4 hours apart. Be sure to check with your doctor or pharmacist before taking any medications in combination.
Does Doxylamine cause drowsiness?
Yes, Doxylamine can cause drowsiness. It is best to avoid operating heavy machinery or driving while taking Doxylamine.
Can I take Doxylamine and Benadryl together?
No, you should not take Doxylamine and Benadryl together as they are both antihistamines and taking them together may cause an increase in side effects, such as drowsiness.
What is the difference between Doxylamine and Diphenhydramine?
Doxylamine and diphenhydramine are both antihistamines used to treat allergies and the common cold. Doxylamine is more sedating and has a longer duration of action compared to diphenhydramine.
Does Doxylamine cause weight gain?
There is no evidence that Doxylamine causes weight gain in most people. However, it is possible that some people may experience weight gain as a side effect of taking Doxylamine.
What is the difference between Doxylamine and Chlorpheniramine?
Doxylamine and Chlorpheniramine are both antihistamines used to treat allergies and the common cold. Doxylamine is more sedating and effective in treating itching, whereas Chlorpheniramine is less sedating but more effective in treating nasal congestion.
Is Doxylamine an anti-inflammatory?
No, Doxylamine is not an anti-inflammatory. It is an antihistamine used to treat symptoms of allergies, such as sneezing, running nose, itching, hives, and skin rash.
Can Doxylamine be used for anxiety?
No, Doxylamine should not be used for anxiety. It is an antihistamine used to treat symptoms of allergies, such as sneezing, running nose, itching, hives, and skin rash.
Can I take Doxylamine with vitamins?
Yes, you can take Doxylamine with vitamins, but it is best to check with your doctor or pharmacist before taking any medication in combination with vitamins.
Can I take Doxylamine with Advil?
Yes, you can take Doxylamine and Advil together, as long as they are taken at least 4 hours apart. Be sure to check with your doctor or pharmacist before taking any medications in combination.
Does Doxylamine cause constipation?
Yes, Doxylamine can cause constipation as a side effect. It is important to drink plenty of water and eat a high-fiber diet to reduce the chances of constipation.
Can I take Doxylamine with Claritin?
No, you should not take Doxylamine and Claritin together as they are both antihistamines and taking them together may cause an increase in side effects, such as drowsiness.
Is Doxylamine available over the counter?
Yes, Doxylamine is available over the counter without a prescription.
Does Doxylamine cause dry mouth?
Yes, Doxylamine can cause dry mouth as a side effect. It is important to drink plenty of water to reduce the chances of dry mouth.
What is the difference between Doxylamine and Hydrocodone?
Doxylamine is an antihistamine used to relieve symptoms of allergies, hay fever, and the common cold. Hydrocodone is an opioid used for pain relief.
Does Doxylamine show up on a drug test?
No, Doxylamine does not usually show up on a drug test.
What is the shelf life of Doxylamine?
The shelf life of Doxylamine is generally 3 years when stored in a dry and cool place out of direct sunlight.
Is Doxylamine habit forming?
No, Doxylamine is not habit forming when taken as directed. However, some people may become dependent on resulting sedative effects this drug can produce.
Can I take Doxylamine with Tylenol?
Yes, you can take Doxylamine and Tylenol together, as long as they are taken at least 4 hours apart. Be sure to check with your doctor or pharmacist before taking any medications in combination.
Does Doxylamine work for allergies?
Yes, Doxylamine is used to relieve symptoms of allergies, including sneezing, runny nose, and itching. It is most effective when taken as directed.
Does Doxylamine raise blood pressure?
No, Doxylamine does not usually raise blood pressure. However, some people may experience a slight rise in blood pressure when taking Doxylamine.
Is Doxylamine an antihistamine?
Yes, Doxylamine is an antihistamine used to relieve symptoms of allergies, hay fever, and the common cold.
Does Doxylamine make you sleepy?
Yes, Doxylamine can make you sleepy. It is best to avoid operating heavy machinery or driving while taking Doxylamine.
Can I take Doxylamine with NyQuil?
No, you should not take Doxylamine and NyQuil together as they are both antihistamines and taking them together may cause an increase in side effects, such as drowsiness.
What is the difference between Doxylamine and Benadryl?
Doxylamine and Benadryl are both antihistamines used to treat allergies and the common cold. Doxylamine is more sedating and has a longer duration of action compared to Benadryl.