Generic Name: diphenhydramine/phenylephrine (dye-fen-HYE-dra-meen/fen-ill-EF-rin)
Brand Name: Examples include D-Tann and Dytan-D
Dytan-D suspension is used for:
Temporarily relieving symptoms of hay fever, allergies, or the common cold, including nasal congestion, runny nose, sneezing, itching of the nose and throat, and itchy/watery eyes. It may also be used for other conditions as determined by your doctor.
Dytan-D suspension is an antihistamine and decongestant combination. The antihistamine works by blocking the action of histamine, which helps reduce symptoms such as watery eyes and sneezing. The decongestant promotes sinus and nasal drainage, relieving congestion and pressure.
Do NOT use Dytan-D suspension if:
- you are allergic to any ingredient in Dytan-D suspension
- you are taking sodium oxybate (GHB) or you have taken furazolidone or a monoamine oxidase (MAO) inhibitor (eg, phenelzine) within the past 14 days
- you have severe high blood pressure, severe heart blood vessel disease, a rapid heartbeat, or severe heart problems
Contact your doctor or health care provider right away if any of these apply to you.
Before using Dytan-D suspension:
Some medical conditions may interact with Dytan-D 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 a fast, slow, or irregular heartbeat
- if you have a history of glaucoma; high blood pressure; diabetes; heart problems; ulcers; stroke; asthma; an overactive thyroid; seizures; a blockage of the stomach, bowel, or bladder; trouble breathing when you sleep; trouble sleeping; lung problems (eg, emphysema); the blood disease porphyria; or an enlarged prostate or other prostate problems; adrenal gland problems; blood vessel problems; or if you have difficulty urinating
Some MEDICINES MAY INTERACT with Dytan-D suspension. Tell your health care provider if you are taking any other medicines, especially if any of the following apply to you:
- Beta-blockers (eg, propranolol), catechol-O-methyltransferase (COMT) inhibitors (eg, tolcapone), indomethacin, furazolidone, MAO inhibitors (eg, phenelzine), or tricyclic antidepressants (eg, amitriptyline) because side effects such as severe headache, high blood pressure, or high fever may occur
- Bromocriptine or sodium oxybate (GHB) because the risk of side effects or toxic effects may be increased by Dytan-D suspension
- Guanethidine, guanadrel, mecamylamine, methyldopa, or reserpine because their effectiveness may be decreased by Dytan-D suspension.
- Digoxin or droxidopa because side effects such as irregular heartbeat or heart attack may occur
- Urinary alkalinizers (eg, sodium bicarbonate) because the side effects of Dytan-D suspension may be increased
This may not be a complete list of all interactions that may occur. Ask your health care provider if Dytan-D 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 Dytan-D suspension:
Use Dytan-D suspension as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Dytan-D suspension may be taken with or without food. If stomach upset occurs, take with food to reduce stomach irritation.
- Shake well before using.
- 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 Dytan-D suspension and are using 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 Dytan-D suspension.
Important safety information:
- Dytan-D suspension may cause dizziness or drowsiness. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to Dytan-D suspension. Using Dytan-D suspension alone, with certain other medicines, or with alcohol may lessen your ability to drive or perform other potentially dangerous tasks.
- Avoid drinking alcohol or taking other medications that cause drowsiness (eg, sedatives, tranquilizers) while taking Dytan-D suspension. Dytan-D suspension will add to the effects of alcohol and other depressants. Ask your pharmacist if you have questions about which medicines are depressants.
- Contact your health care provider if symptoms last for more than 7 days or are accompanied by a fever.
- Diabetes patients - Dytan-D suspension may affect your blood sugar. Check blood sugar levels closely and ask your doctor before adjusting the dose of your diabetes medicine.
- Dytan-D suspension contains phenylephrine and diphenhydramine. Before you begin taking any new prescription or nonprescription medicine, including medicine used on the skin, read the ingredients to see if it also contains phenylephrine or diphenhydramine. If it does, or if you are uncertain if it does, contact your doctor or pharmacist.
- If you are scheduled for allergy skin testing, do not take Dytan-D suspension for several days before the test because it may decrease your response to the skin tests.
- Do not take diet or appetite control medicines while you are taking Dytan-D suspension without checking with your doctor.
- Do not exceed the recommended dose or take Dytan-D suspension for longer than prescribed without checking with your doctor.
- If you have trouble sleeping, ask your pharmacist or doctor about the best time of day to take Dytan-D suspension.
- Use Dytan-D suspension with caution in the ELDERLY because they may be more sensitive to its effects.
- Dytan-D suspension is not recommended for use in NEWBORNS. Safety and effectiveness have not been confirmed.
- Different products may have different dosing instructions for CHILDREN on the package labeling. Follow the dosing instructions provided on the package labeling or by your doctor. If you are unsure of what dose to give a child, check with your doctor.
- Caution is advised when using Dytan-D suspension in CHILDREN because they may be more sensitive to its effects, especially excitability.
- PREGNANCY AND BREAST-FEEDING: If you become pregnant while taking Dytan-D suspension, discuss with your doctor the benefits and risks of using Dytan-D suspension during pregnancy. If you are or will be breast-feeding while you are using Dytan-D suspension, check with your doctor or pharmacist to discuss the risks to your baby.
Possible side effects of Dytan-D 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:
Constipation; diarrhea; dizziness; drowsiness; dry mouth, nose, or throat; excitability (especially in children); headache; loss of appetite; nausea; nervousness; restlessness; trouble sleeping; vomiting.
Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision; chest pain; decreased coordination; difficulty urinating; fast or irregular heartbeat; fever; hallucinations; seizure; severe dizziness and drowsiness; severe nervousness, anxiety, or restlessness; tremors; unusual weakness.
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 ( http://www.aapcc.org), or emergency room immediately. Symptoms may include bluish-colored skin; difficulty breathing; dilated pupils; fast or irregular heartbeat; fever; flushing; hallucinations; mental or mood changes; seizures; severe drowsiness or dizziness; severe excitability; severe nausea or vomiting; sweating; tremors.Proper storage of Dytan-D suspension:
Store Dytan-D suspension at room temperature, between 59 and 77 degrees F (15 and 25 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Dytan-D suspension out of the reach of children and away from pets.
- If you have any questions about Dytan-D suspension, please talk with your doctor, pharmacist, or other health care provider.
- Dytan-D 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 should not be used to decide whether or not to take Dytan-D suspension 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 Dytan-D suspension. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Dytan-D suspension. 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 Dytan-D suspension.
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.
More about Dytan-D (diphenhydramine / phenylephrine)
- Side Effects
- During Pregnancy
- Dosage Information
- Drug Interactions
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- Drug class: upper respiratory combinations