Aldex AN

By Medically reviewed by Panel Perubatan Hello Doktor


What is Aldex® AN (doxylamine succinate) used for?

Aldex® AN is commonly used for temporarily relieve runny nose, sneezing, itching of nose and throat, itchy, watery eyes due to hay fever or other upper respiratory allergies.



The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using Aldex®AN.

What is the dose of Aldex® AN (doxylamine succinate) for an adult?

The recommended dose Aldex® AN for adults is 2 tablets taken every 4-6 hours. Do not take more than 6 doses in 24 hours or as directed by a doctor.

What is the dose of Aldex® AN (doxylamine succinate) for a child?

The recommended dose Aldex® AN for children 6 to under 12 years of age is 1 tablets taken every 4-6 hours. Do not take more than 6 doses in 24 hours or as directed by a doctor.

The recommended dose Aldex® AN for children 6 to under 12 years of age: is not established.


How should I take Aldex® AN (doxylamine succinate)?

  • Take this medicine with food or milk if it upsets your stomach. Chew thoroughly before swallowing.
  • Use Aldex®AN everyday, until your doctor advises you to stop. Do not take more than the recommended dose. Check with your doctor or pharmacist if you are not sure.
  • Do not stop taking Aldex®AN or reduce the dose of Aldex®AN without talking to your doctor first.
  • Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. This medicine is usually taken only for a short time until your symptoms clear up.

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of Aldex®AN, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Side effects

What side effects can occur from Aldex® AN (doxylamine succinate)?

Taking Aldex®AN can cause some side effects, such as:

  • Signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
  • Confusion;
  • Hallucinations;
  • Severe dizziness or drowsiness;
  • Little or no urinating;
  • Blurred vision;
  • Dry mouth, nose, or throat;
  • Constipation;
  • Mild dizziness or drowsiness.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.



What should I know before using Aldex® AN (doxylamine succinate)?

Before using Aldex®AN, tell your doctor if you have:

  • Allergic reaction to Aldex®AN, excipients using for dosage form containing Aldex® The information is detailed in the leaflet.
  • Allergic reaction to any other medicines, foods, dyes, preservatives, or animals.
  • Pediatric.
  • Geriatric.
  • Used any other health conditions, drugs that have a risk of interaction with Aldex® AN as listed below.

Is it safe in specific conditions (e.g. pregnancy, breastfeeding, or surgery)?


There are no adequate studies in women for determining risk when using this medication during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking this medication.

FDA pregnancy category B.

FDA pregnancy risk category reference below:

  • A=No risk;
  • B=No risk in some studies;
  • C=There may be some risk;
  • D=Positive evidence of risk;
  • X=Contraindicated;
  • N=Unknown.


Aldex® AN may pass into breast milk and may harm a nursing baby. Antihistamines may also slow breast milk production. Do not use this medicine without a doctor’s advice if you are breastfeeding a baby.


What drugs may interact with Aldex® AN (doxylamine succinate)?

Aldex® AN may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

Products that interact with Aldex® AN:

  • Antihistamines (such as cetirizine, diphenhydramine);
  • Drugs for sleep or anxiety (such as alprazolam, diazepam, zolpidem);
  • Muscle relaxants (such as carisoprodol, cyclobenzaprine);
  • Narcotic pain relievers (such as codeine, hydrocodone).

Does food or alcohol interact with Aldex® AN (doxylamine succinate)?

Aldex® AN may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug, especially alcohol.

How do I store Aldex® AN (doxylamine succinate)?

Aldex® AN is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Aldex® AN in the bathroom or the freezer. There may be different brands of Aldex® AN that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush Aldex® AN down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

How is Aldex® AN (doxylamine succinate) available?

Aldex® AN is available in the following dosage forms and strengths:

  • Chewable tablet: 5 mg.

Hello Health Group does not provide medical advice, diagnosis or treatment.

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Review Date: December 11, 2016 | Last Modified: December 19, 2019

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