Generic Name: doxylamine (dox-IL-a-meen)
Brand Name: Aldex AN
Doxylamine suspension is used for:
Treating symptoms of allergies such as runny nose, sneezing, nose or throat itching, or itchy, watery eyes. It may also be used for other conditions as determined by your doctor.
Doxylamine suspension is an antihistamine. It works by depressing the central nervous system (brain) to produce drowsiness.
Do NOT use doxylamine suspension if:
- you are allergic to any ingredient in doxylamine suspension or other similar medicines
- you are taking sodium oxybate (GHB) or you have taken furazolidone or a monoamine oxidase inhibitor (MAOI) (eg, phenelzine) in the past 2 weeks
- you are breast-feeding
Contact your doctor or health care provider right away if any of these apply to you.
Before using doxylamine suspension:
Some medical conditions may interact with doxylamine suspension. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have asthma, chronic obstructive pulmonary disease (COPD), chronic bronchitis, emphysema, lung disease, shortness of breath, or sleep apnea
- if you have blockage of the stomach, intestine, or urinary tract; difficulty urinating; or a history of diabetes, ulcers, enlargement of the prostate, glaucoma, heart disease, high blood pressure, porphyria, seizures, stroke, or thyroid disease
Some MEDICINES MAY INTERACT with doxylamine suspension. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Sodium oxybate (GHB) because an increase in sleep duration and a decrease in the ability to breathe are likely to occur
- Furazolidone or MAOIs (eg, phenelzine) because serious side effects, such as high blood pressure and seizures, may occur
This may not be a complete list of all interactions that may occur. Ask your health care provider if doxylamine suspension may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use doxylamine suspension:
Use doxylamine suspension as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Take doxylamine suspension by mouth with or without food.
- Use doxylamine suspension exactly as directed on the package, unless instructed differently by your doctor.
- Shake well before each use.
- Use a measuring device marked for medicine dosing. Ask your pharmacist for help if you are unsure of how to measure your dose.
- If you miss a dose of doxylamine suspension and you are taking it regularly, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use doxylamine suspension.
Important safety information:
- Doxylamine suspension may cause drowsiness or dizziness. These effects may be worse if you take it with alcohol or certain medicines. Use doxylamine suspension with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Avoid drinking alcohol while you are taking doxylamine suspension. Talk with your doctor before using other medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are using doxylamine suspension; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness.
- Doxylamine suspension may cause dizziness, lightheadedness, or fainting; alcohol, hot weather, exercise, or fever may increase these effects. To prevent them, sit up or stand slowly, especially in the morning. Sit or lie down at the first sign of any of these effects.
- Do not take more than the recommended dose or use for longer than prescribed without checking with your doctor.
- Do not become overheated in hot weather or while you are being active; heatstroke may occur.
- This product may contain tartrazine dye (FD & C Yellow No. 5). This may cause an allergic reaction in some patients. If you have ever had an allergic reaction to tartrazine, ask your pharmacist if your product has tartrazine in it.
- Doxylamine suspension contains doxylamine. Before you start any new medicine, including one used on the skin, check the ingredients to see if it has doxylamine in it too. If it does or if you are not sure, contact your doctor or pharmacist.
- Doxylamine suspension may interfere with skin allergy tests. If you are scheduled for a skin test, talk to your doctor. You may need to stop taking doxylamine suspension for a few days before the tests.
- Use doxylamine suspension with caution in the ELDERLY; they may be more sensitive to its effects, especially dizziness, sedation, and lightheadedness upon standing.
- Do not use doxylamine suspension in CHILDREN younger than 2 years old without talking with the child's doctor; safety and effectiveness in these children have not been confirmed.
- Caution is advised when using doxylamine suspension in CHILDREN; they may be more sensitive to its effects, especially excitability.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using doxylamine suspension while you are pregnant. Doxylamine suspension is found in breast milk. Do not breast-feed while taking doxylamine suspension.
Possible side effects of doxylamine suspension:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur:
Dizziness; drowsiness; dry mouth, throat, and nose; thickening of mucus in nose or throat.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); convulsions; decreased alertness; decreased urination; excitability; fast heartbeat; hallucinations; seizures; severe drowsiness; tightness or pounding in the chest; tremor; wheezing.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include coma; excitement; hallucinations; loss of consciousness; muscle twitching; seizures; tremor; weakness.Proper storage of doxylamine suspension:
Store doxylamine suspension at room temperature, between 68 and 77 degrees F (20 and 25 degrees C), or according to the directions on the package label. Store in the original package or container away from heat, moisture, and light. Do not store in the bathroom. Keep doxylamine suspension out of the reach of children and away from pets.
- If you have any questions about doxylamine suspension, please talk with your doctor, pharmacist, or other health care provider.
- Doxylamine suspension is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information is a summary only. It does not contain all information about doxylamine suspension. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.
Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.