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Diclectin

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Prescription Prescription Required FormationFormulation: Tablet

Doxylamine/pyridoxine hcl

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Diclectin (doxylamine and pyridoxine hydrochloride) is a prescription medication used to treat nausea and vomiting during pregnancy, commonly known as morning sickness. It helps reduce feelings of nausea and episodes of vomiting, making it easier for pregnant women to eat, drink, and carry out their daily activities.

Morning sickness is common during pregnancy, especially during the first trimester. Despite its name, it can happen at any time of the day or night. Symptoms may range from mild nausea to frequent vomiting that makes eating and drinking difficult.

Diclectin contains two active ingredients that work together to relieve these uncomfortable symptoms. It is a delayed-release medication, meaning the ingredients are released gradually after you take the tablets to provide ongoing symptom control.

Your healthcare provider may prescribe Diclectin to help manage the following condition:

  • Nausea and Vomiting of Pregnancy (Morning Sickness): Diclectin helps relieve nausea and vomiting caused by hormonal changes during pregnancy. These symptoms may include an upset stomach, loss of appetite, sensitivity to certain smells, and difficulty keeping food or drinks down. Diclectin works by reducing signals involved in nausea and vomiting, helping you feel more comfortable throughout the day. It is commonly prescribed when dietary changes and other non-medication approaches have not provided enough relief.

Diclectin may help manage mild to moderate pregnancy-related nausea and vomiting. It may also be used as part of a treatment plan for more persistent symptoms, depending on your healthcare provider’s assessment.

However, severe nausea and vomiting that cause dehydration, significant weight loss, or difficulty keeping fluids down may be signs of a condition called hyperemesis gravidarum. This condition may require additional medical treatment.

Diclectin helps control symptoms but does not treat the underlying hormonal changes that contribute to morning sickness. Your healthcare provider will determine whether it is appropriate for you based on the severity of your symptoms and your medical history.

How Does Diclectin Work?

Diclectin contains two active ingredients, doxylamine and pyridoxine hydrochloride (vitamin B6), that work together to reduce nausea and vomiting during pregnancy.

Pregnancy causes changes in hormone levels that can affect your digestive system and the signals between your stomach and brain. These changes may trigger feelings of nausea and the urge to vomit.

Diclectin helps reduce these symptoms through the combined effects of its ingredients.

  • Doxylamine: Doxylamine is an antihistamine that blocks certain histamine signals in your brain. Histamine is a natural chemical involved in several body functions, including signals that can contribute to nausea and vomiting. By blocking these signals, doxylamine helps reduce nausea and the urge to vomit. It can also cause drowsiness, so you should be careful when driving or performing activities that require alertness.
  • Pyridoxine Hydrochloride (Vitamin B6): Vitamin B6 is an important nutrient that supports normal nerve function and helps your body process certain chemicals involved in communication between nerve cells. It can help reduce pregnancy-related nausea, although the exact way it works is not fully understood. When combined with doxylamine, it provides additional relief from nausea and vomiting.

Diclectin works in several ways:

  • Reduces Nausea: It helps control the signals that trigger feelings of sickness, making it easier to manage morning sickness.
  • Helps Prevent Vomiting: The combination of ingredients can reduce how often you vomit during pregnancy.
  • Provides Ongoing Symptom Relief: The delayed-release tablets release their ingredients gradually, helping control symptoms over time.
  • Supports Daily Comfort: By reducing nausea and vomiting, Diclectin may make it easier to eat regular meals, drink enough fluids, and complete daily activities.

Unlike medications that provide immediate relief, Diclectin is designed to work gradually. It is usually taken every day as prescribed rather than only when nausea occurs.

Your healthcare provider may recommend taking two tablets at bedtime initially and adjusting your dose depending on when your symptoms occur.

Important: Diclectin is not intended to provide immediate relief from sudden nausea or vomiting. It works best when taken regularly according to your prescribed schedule.

If you experience severe vomiting, cannot keep liquids down, feel faint, or notice signs of dehydration, such as very dark urine or urinating much less than usual, contact your healthcare provider promptly.

Diclectin is a prescription medication used to relieve nausea and vomiting during pregnancy, commonly known as morning sickness.

Diclectin comes in delayed-release tablets, which means the medication releases its ingredients gradually to provide ongoing relief from nausea and vomiting.

The usual starting dose is two tablets at bedtime. If you continue to experience nausea or vomiting during the day, your healthcare provider may recommend taking additional tablets in the morning or afternoon.

Always follow your healthcare provider’s instructions carefully. Do not take more tablets than prescribed, even if your symptoms do not improve right away.

Recommended Dosage of Diclectin

Starting Dose

The usual starting dose of Diclectin is two tablets taken together at bedtime.

Taking the medication before bed allows it to work gradually and may help control nausea and vomiting the following morning.

Diclectin is designed to prevent and manage symptoms over time rather than provide immediate relief from sudden nausea.

Dose Adjustments

If your nausea and vomiting continue during the day, your healthcare provider may adjust your treatment schedule.

A common dosing schedule is:

  • At Bedtime: Take two tablets to help control morning nausea.
  • In the Morning: Take one additional tablet if your symptoms continue during the day.
  • In the Mid-Afternoon: Take one additional tablet if you still experience nausea or vomiting later in the day.

Your healthcare provider will decide whether you need these additional doses based on how severe your symptoms are and when they occur.

Maximum Daily Dose

The usual maximum recommended dose of Diclectin is four tablets per day.

Taking more than the recommended amount can increase your risk of side effects, including excessive drowsiness, dizziness, and other unwanted effects.

Do not exceed four tablets daily unless your healthcare provider has specifically prescribed and is supervising a different regimen.

How to Take Diclectin Tablets

Follow these steps to take Diclectin safely and correctly:

  1. Follow your prescribed schedule: Take the number of tablets recommended by your healthcare provider. Your dose may depend on when you experience nausea and vomiting.
  2. Swallow the tablets whole: Take Diclectin with a glass of water. Do not crush, chew, or split the tablets because this can interfere with their delayed-release formula.
  3. Take on an empty stomach: Diclectin is generally recommended on an empty stomach with water. Taking it with food may delay how quickly the medication is absorbed and begins working.
  4. Take your bedtime dose regularly: If you are prescribed two tablets at bedtime, try to take them at the same time each night.
  5. Take additional doses only if prescribed: If your healthcare provider recommends morning or afternoon doses, follow the prescribed schedule carefully.
  6. Continue treatment as directed: Take Diclectin regularly rather than only when you feel nauseated. Your healthcare provider will tell you how long to continue treatment.

What Should I Do If I Miss a Dose of Diclectin?

If you forget to take a dose of Diclectin, take it as soon as you remember.

However, if it is almost time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule.

Do not take two doses at once or take extra tablets to make up for a missed dose. Taking more than prescribed may increase your risk of excessive drowsiness and other side effects.

If you are unsure what to do after missing a dose, contact your healthcare provider or pharmacist for advice.

Important Tips When Taking Diclectin

Take Diclectin Regularly

Diclectin works best when taken every day as prescribed by your healthcare provider. Because it is a delayed-release medication, it does not provide immediate relief from sudden nausea or vomiting.

Try to take your medication at the same times each day. This helps maintain consistent symptom control throughout your pregnancy.

Do Not Crush or Split the Tablets

Always swallow Diclectin tablets whole with water. Do not crush, chew, or split them.

The tablets have a special coating that allows the medication to be released gradually. Breaking or crushing them can affect how the medication works.

If you have difficulty swallowing the tablets, ask your healthcare provider or pharmacist for advice.

Watch for Drowsiness

Diclectin contains doxylamine, an antihistamine that can cause sleepiness, dizziness, or reduced alertness.

Avoid driving, operating machinery, or performing activities that require concentration until your healthcare provider confirms that it is safe.

Alcohol and certain other medications can increase drowsiness. Tell your healthcare provider about any other medications you are taking.

Do Not Stop Treatment Without Medical Advice

Continue taking Diclectin for as long as your healthcare provider recommends.

As your pregnancy progresses, your nausea and vomiting may improve. Your healthcare provider may recommend gradually reducing your dose rather than stopping suddenly to help prevent symptoms from returning.

Do not change your treatment schedule without medical advice.

When to Contact Your Healthcare Provider

Contact your healthcare provider if your nausea and vomiting continue despite taking Diclectin, become worse, or make it difficult to eat and drink.

Seek prompt medical attention if you cannot keep fluids down, urinate much less than usual, feel faint, or experience significant weight loss. These may be signs of dehydration or severe pregnancy-related vomiting that requires additional treatment.

Always follow your prescribed treatment schedule. Taking Diclectin regularly, swallowing the tablets whole, and using the correct dose can help manage nausea and vomiting during pregnancy.

Common Side Effects of Diclectin (Doxylamine/Pyridoxine HCl):

  • Anxiety nightmares
  • Bloating
  • Blurred vision
  • Constipation
  • Diarrhea
  • Difficulty urinating
  • Dizziness
  • Drowsiness
  • Fast heart rate vertigo
  • Fatigue
  • Headache
  • Irritability
  • Itching
  • Malaise
  • Numbness and tingling
  • Palpitations
  • Rash
  • Shortness of breath
  • Sleepiness
  • Stomach upset
  • Trouble sleeping (insomnia)

Serious Side Effects of Diclectin (Doxylamine/Pyridoxine HCl):

  • Difficulty breathing
  • Drowsiness
  • Hives
  • Swelling of the face, lips, tongue, or throat

Diclectin (Doxylamine/Pyridoxine HCl) is available in the following forms and strength:

Diclectin: Tablet

  • 10mg/10mg

Doxylamine/Pyridoxine HCl: Tablet

  • 10mg/10mg

Before taking Diclectin, tell your healthcare provider about any medical conditions, allergies, or medications you are taking. Although Diclectin helps relieve nausea and vomiting during pregnancy, it can cause side effects and may not be suitable for everyone.

Understanding these warnings and precautions can help you use the medication safely while managing morning sickness.

Asthma and Breathing Problems

Diclectin contains doxylamine, an antihistamine with anticholinergic effects. This means it can affect certain functions in your body, including mucus production and how your airways respond.

If you have asthma or another breathing condition, tell your healthcare provider before taking Diclectin. The medication may make mucus thicker or more difficult to clear, which could be a concern for people with certain respiratory conditions.

Your healthcare provider will review your medical history to determine whether Diclectin is appropriate for you.

Contact your healthcare provider if you notice worsening breathing symptoms while taking the medication. Seek emergency medical attention if you develop severe difficulty breathing.

Glaucoma and Increased Eye Pressure

If you have glaucoma or increased pressure inside your eyes, tell your healthcare provider before taking Diclectin.

Doxylamine has anticholinergic effects that may increase eye pressure in people with certain types of glaucoma, especially narrow-angle glaucoma.

This condition occurs when fluid cannot drain properly from your eye, causing pressure to build up. A sudden increase in eye pressure can damage your vision.

Your healthcare provider may recommend another treatment if you have narrow-angle glaucoma.

Seek immediate medical attention if you develop severe eye pain, sudden blurred vision, headaches, or nausea accompanied by eye discomfort.

Use Only as Prescribed

Diclectin is a prescription medication and should only be used under the guidance of a healthcare provider.

Your healthcare provider will determine the appropriate dose based on the severity of your nausea and vomiting, your medical history, and how you respond to treatment.

Diclectin is usually taken daily rather than only when you feel nauseated because its delayed-release formula is designed to provide ongoing symptom relief.

Do not take more tablets than prescribed or change your treatment schedule without medical advice.

Possible Side Effects

Like all medications, Diclectin may cause side effects, although not everyone will experience them.

The most common side effect is drowsiness because doxylamine is an antihistamine that can make you feel sleepy.

Other possible side effects include dizziness, dry mouth, headache, constipation, and mild stomach discomfort.

Some people may also experience blurred vision or difficulty urinating because of the medication’s anticholinergic effects.

Contact your healthcare provider if these symptoms become severe, do not improve, or interfere with your daily activities.

Pregnancy Safety

Diclectin is specifically prescribed to treat nausea and vomiting during pregnancy. Its active ingredients have been studied extensively, and available evidence has not shown an increased risk of major birth defects when the medication is used as directed.

Your healthcare provider may recommend Diclectin if dietary changes and other non-medication approaches do not provide enough relief from morning sickness.

Although Diclectin is commonly used during pregnancy, you should still follow your prescribed dose and treatment schedule.

Tell your healthcare provider if your nausea and vomiting become severe, you cannot keep fluids down, or you experience significant weight loss. These symptoms may require additional medical treatment.

Allergic Reactions

Do not take Diclectin if you are allergic to doxylamine, pyridoxine hydrochloride (vitamin B6), or any other ingredient in the medication.

You should also tell your healthcare provider if you have previously experienced an allergic reaction to similar antihistamines.

Signs of an allergic reaction may include itching, a skin rash, redness, swelling, or hives.

Stop taking Diclectin and contact your healthcare provider if you develop signs of an allergic reaction.

Seek emergency medical attention if you experience difficulty breathing or swelling of your face, lips, tongue, or throat.

Drowsiness and Driving

Diclectin can cause significant drowsiness, dizziness, and reduced alertness. These effects occur because doxylamine acts on parts of your brain involved in wakefulness.

You may feel sleepy even if you take your medication at bedtime, as its effects can continue into the following day.

Avoid driving, operating heavy machinery, or performing activities that require concentration and coordination while taking Diclectin unless your healthcare provider confirms that these activities are safe.

Alcohol, sleeping pills, and certain other medications may increase drowsiness. Avoid combining these substances with Diclectin without medical advice.

Drug Interactions

Diclectin may interact with certain medications, especially those that cause sleepiness or affect your nervous system.

For example, taking Diclectin with sleeping medications, opioid pain relievers, sedatives, or other antihistamines can increase your risk of excessive drowsiness and impaired coordination.

Diclectin should not be taken with monoamine oxidase inhibitors (MAOIs), a group of medications sometimes used to treat depression and other conditions. This combination may increase and prolong the medication’s unwanted effects.

Tell your healthcare provider or pharmacist about all the medications you take, including prescription drugs, over-the-counter medicines, prenatal vitamins, herbal products, and supplements.

Do not start, stop, or change any medication without checking with your healthcare provider.

Breastfeeding

If you are breastfeeding or planning to breastfeed, talk to your healthcare provider before taking Diclectin.

Doxylamine may pass into breast milk and could cause sleepiness, irritability, or other unwanted effects in a nursing infant. Antihistamines may also affect milk production in some people.

Diclectin is generally not recommended during breastfeeding because of these potential risks.

Your healthcare provider can help you choose a suitable treatment for nausea or vomiting while breastfeeding.

Proper Storage

Store Diclectin at room temperature, following the instructions on the medication packaging.

Keep the tablets in their original container, away from excessive heat, moisture, and direct sunlight. Make sure the container is tightly closed when not in use.

Avoid storing Diclectin in humid places, such as bathrooms, where temperature and moisture levels may change frequently.

Always keep the medication out of the reach of children and pets. Accidental ingestion can cause serious side effects, particularly in young children.

Check the expiration date before taking Diclectin, and ask your pharmacist how to dispose of expired or unused tablets safely.

When to Contact Your Healthcare Provider

Contact your healthcare provider if you experience severe drowsiness, persistent dizziness, blurred vision, difficulty urinating, or other symptoms that concern you while taking Diclectin.

You should also seek medical advice if your nausea and vomiting become worse, you cannot keep food or fluids down, or you notice signs of dehydration, such as dark urine, reduced urination, or unusual weakness.

Seek emergency medical attention if you develop difficulty breathing, severe confusion, or swelling of your face, lips, or throat.

Always take Diclectin exactly as prescribed. Following your treatment schedule, avoiding medications that increase drowsiness, and attending regular prenatal appointments can help you manage nausea and vomiting safely during pregnancy.

Can Diclectin be used if I am breastfeeding?

Diclectin is generally not recommended during breastfeeding because it may affect your nursing baby. Doxylamine, one of the active ingredients in Diclectin, is an antihistamine that may pass into breast milk. It could cause unwanted effects in your baby, such as unusual sleepiness, irritability, or feeding difficulties. Antihistamines may also reduce breast milk production in some people. If you are breastfeeding or planning to breastfeed, talk to your healthcare provider before taking Diclectin. They can help you choose a suitable medication to manage nausea and vomiting while protecting your baby’s health.

What should I do if I miss a dose of Diclectin?

If you forget to take a dose of Diclectin, take it as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule. Do not take two doses at once or take extra tablets to make up for a missed dose. Taking more Diclectin than prescribed may increase your risk of side effects, including excessive drowsiness and dizziness. Try to take Diclectin at the same times each day to help you remember your doses. Because it is a delayed-release medication, taking it regularly helps provide consistent relief from pregnancy-related nausea and vomiting. If you are unsure what to do after missing a dose, contact your healthcare provider or pharmacist for advice.

Can Diclectin interact with any other medications?

Yes, Diclectin can interact with certain medications, especially those that cause drowsiness or affect your nervous system. For example, taking Diclectin with sleeping pills, opioid pain relievers, sedatives, or other antihistamines may increase your risk of excessive sleepiness, dizziness, and difficulty concentrating. Diclectin should not be taken with monoamine oxidase inhibitors (MAOIs), a group of medications sometimes used to treat depression. This combination can increase the risk of serious side effects. Before taking Diclectin, tell your healthcare provider about all the medications you use, including prescription drugs, over-the-counter medicines, prenatal vitamins, and herbal supplements. Avoid drinking alcohol while taking Diclectin because it can make drowsiness and impaired coordination worse.

Can Diclectin be crushed or split?

No, Diclectin tablets should not be crushed, chewed, or split. They have a special delayed-release coating that allows the medication to be released gradually after you swallow it. Breaking or crushing the tablets can interfere with how the medication is released and may affect how well it controls your nausea and vomiting. Always swallow Diclectin tablets whole with a glass of water. If you have difficulty swallowing tablets, speak with your healthcare provider or pharmacist. They can help you find a suitable way to manage your symptoms without changing how the medication is intended to work.

How long does it take for Diclectin to start working?

Diclectin is a delayed-release medication, so it does not provide immediate relief from nausea and vomiting. It works gradually to help control morning sickness throughout the day. Diclectin generally works best when taken 4 to 6 hours before you expect nausea or vomiting to begin. For example, taking two tablets at bedtime may help reduce morning sickness when you wake up. Some people may notice improvement within the first few days, while others may need more time to experience consistent relief. Continue taking Diclectin every day as prescribed, even if you feel better. If your nausea and vomiting do not improve or become worse, contact your healthcare provider for advice. 

Can I take Diclectin with food?

Diclectin is generally recommended to be taken on an empty stomach with a glass of water. Food can slow down how quickly your body absorbs the medication, which may delay its effects. Because Diclectin is designed to release its ingredients gradually, taking it with food may make it take longer to relieve nausea and vomiting. For the best results, swallow the tablets whole with water and follow the dosing schedule recommended by your healthcare provider. If taking Diclectin on an empty stomach is difficult because of your pregnancy-related nausea, speak with your healthcare provider. They can help you find a suitable way to take the medication while keeping your symptoms under control. 

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Additional Information Book
Generic name:

Doxylamine/pyridoxine hcl

Formulation:

Tablet

Strength(s):

10mg/10mg

Quantities Available:

100

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How to Order

How much Diclectin can I order at once from a Canadian pharmacy?

When ordering Diclectin (doxylamine/pyridoxine hcl) from a Canadian pharmacy, you can typically purchase up to a 90-day supply at one time, which helps ensure you have adequate medication to manage symptoms without frequent refills.

Here’s what you need to know:

Dosage and Quantity: Diclectin is commonly prescribed with a maximum dosage of 4 tablets per day, taken in divided doses. For a 90-day supply, this means you would order 360 tablets (90 days x 4 tablets per day).

Do you sell doxylamine/pyridoxine hcl?

Yes, we sell doxylamine/pyridoxine hcl on our website. You can enjoy low prices when you order through us. To purchase doxylamine/pyridoxine hcl, you will need a valid prescription from your healthcare provider. We require this prescription to dispense the medication safely and appropriately. You can submit your prescription by mailing it to us, faxing it, or uploading it through your online account.

Do you offer shipping of Diclectin (doxylamine/pyridoxine hcl) to the United States?

Yes, we ship Diclectin (doxylamine/pyridoxine hcl) to both the United States and Puerto Rico.

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Online Pharmacies Canada has provided information from third parties intended to increase awareness and does not contain all the information about Diclectin (Doxylamine/pyridoxine hcl). Talk to your doctor or other qualified medical practitioners for medical attention or advice, or if you have any concerns about Diclectin (Doxylamine/pyridoxine hcl).