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DuraHist D sustained-release tablets
Generic Name: dexchlorpheniramine/methscopolamine/pseudoephedrine (DEX-klor-fen-IR-a-meen/SOO-doe-e-FED-rin/METH-skoe-POL-a-meen)
Brand Name: DuraHist D
DuraHist D sustained-release tablets are used for:
Relieving congestion, sneezing, runny nose, and itchy, watery eyes due to colds, flu, or hay fever. It may also be used for other conditions as determined by your doctor.
DuraHist D sustained-release tablets are an antihistamine, decongestant, and anticholinergic combination. The antihistamine works by blocking histamine, a substance in the body that causes sneezing, runny nose, and watery eyes. The decongestant relieves nasal congestion by shrinking the nasal mucous membranes, which promotes nasal drainage. The anticholinergic dries the chest by decreasing lung secretions.
Do NOT use DuraHist D sustained-release tablets if:
- you are allergic to any ingredient in DuraHist D sustained-release tablets
- you take sodium oxybate (GHB) or you have taken furazolidone or a monoamine oxidase inhibitor (MAOI) (eg, phenelzine) within the last 14 days
- you have severe heart blood vessel disease, severe high blood pressure, rapid heartbeat, or severe heart problems
- you have narrow-angle glaucoma, severe bleeding, severe irritation of the esophagus or other serious problems with the esophagus (eg, esophageal achalasia), peptic ulcer, a blockage of your stomach or bowel, bowel motility problems, severe bowel inflammation (eg, ulcerative colitis), certain muscle problems (eg, myasthenia gravis), or uncontrolled bleeding
- you are unable to urinate or are having an asthma attack
Contact your doctor or health care provider right away if any of these apply to you.
Before using DuraHist D sustained-release tablets:
Some medical conditions may interact with DuraHist D sustained-release tablets. 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 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 or a history of other heart problems
- if you have a history of diabetes, an enlarged prostate or other prostate problems, kidney problems, high blood pressure, asthma, nerve problems, blood clots, a hiatal hernia, an adrenal gland tumor, glaucoma, breathing problems during sleep, seizures, an overactive thyroid, lung problems (eg, emphysema), severe bowel problems, trouble urinating, ulcers, stroke, bladder problems, or a blockage of your stomach, intestines, or bladder
Some MEDICINES MAY INTERACT with DuraHist D sustained-release tablets. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Alpha-blockers (eg, guanethidine, methyldopa, prazosin), beta-blockers (eg, atenolol), diuretics (eg, furosemide, hydrochlorothiazide), furazolidone, or MAOIs (eg, phenelzine) because the risk of high or low blood pressure may be increased
- Alkalizers (eg, calcium or magnesium antacids), anticholinergics (eg, atropine, benztropine, dicyclomine), carbonic anhydrase inhibitors (eg, acetazolamide), ergotamine, sodium bicarbonate, or tricyclic antidepressants (eg, amitriptyline) because they may increase the risk of DuraHist D sustained-release tablets's side effects
- Bromocriptine, catechol-O-methyltransferase (COMT) inhibitors (eg, entacapone), certain stimulants (eg, doxapram, pseudoephedrine), cocaine, digoxin, droxidopa, potassium chloride, or sodium oxybate (GHB) because the risk of their side effects may be increased by DuraHist D sustained-release tablets
- Guanadrel, guanethidine, mecamylamine, methyldopa, or reserpine because their effectiveness may be decreased by DuraHist D sustained-release tablets
This may not be a complete list of all interactions that may occur. Ask your health care provider if DuraHist D sustained-release tablets 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 DuraHist D sustained-release tablets:
Use DuraHist D sustained-release tablets as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Take DuraHist D sustained-release tablets by mouth with or without food. If stomach upset occurs, take with food to reduce stomach irritation.
- Do not take DuraHist D sustained-release tablets at the same time as an antacid, certain medicines for diarrhea (eg, attapulgite, bismuth, kaolin, pectin), or ketoconazole. Take these medicines 2 or 3 hours before or after you take DuraHist D sustained-release tablets.
- Swallow DuraHist D sustained-release tablets whole. Do not break, crush, or chew before swallowing. Some brands of DuraHist D sustained-release tablets may be broken in half before taking. If you have difficulty swallowing the whole tablet, ask your pharmacist if your brand of medicine may be broken in half.
- If you miss a dose of DuraHist D sustained-release tablets 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 DuraHist D sustained-release tablets.
Important safety information:
- DuraHist D sustained-release tablets may cause drowsiness, dizziness, or blurred vision. These effects may be worse if you take it with alcohol or certain medicines. Use DuraHist D sustained-release tablets with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- If your symptoms do not get better within 7 days or if they get worse or you develop a high fever or persistent headache, check with your doctor.
- DuraHist D sustained-release tablets may cause dry mouth. To relieve dry mouth, suck on sugarless hard candy or ice chips, chew sugarless gum, drink water, or use a saliva substitute.
- DuraHist D sustained-release tablets may make your eyes more sensitive to sunlight. It may help to wear sunglasses.
- DuraHist D sustained-release tablets may reduce sweating. Do not become overheated in hot weather or while you are being active; heatstroke may occur.
- Do not take diet or appetite control medicines while you are taking DuraHist D sustained-release tablets without checking with your doctor.
- DuraHist D sustained-release tablets has dexchlorpheniramine and pseudoephedrine in it. Before you start any new medicine, check the label to see if it has dexchlorpheniramine or pseudoephedrine in it too. If it does or if you are not sure, check with your doctor or pharmacist.
- If you have trouble sleeping, ask your doctor or pharmacist about the best time of the day to take DuraHist D sustained-release tablets.
- DuraHist D sustained-release tablets may interfere with certain lab tests. Be sure your doctor and lab personnel know that you are taking DuraHist D sustained-release tablets.
- Tell your doctor or dentist that you take DuraHist D sustained-release tablets before you receive any medical or dental care, emergency care, or surgery.
- DuraHist D sustained-release tablets may interfere with allergy skin tests. If you are scheduled for a skin test, talk to your doctor. You may need to stop taking DuraHist D sustained-release tablets for a few days before the tests.
- Diabetes patients - DuraHist D sustained-release tablets may affect your blood sugar. Check blood sugar levels closely. Ask your doctor before you change the dose of your diabetes medicine.
- Use DuraHist D sustained-release tablets with caution in the ELDERLY; they may be more sensitive to its effects.
- Caution is advised when using DuraHist D sustained-release tablets in CHILDREN; they may be more sensitive to its effects.
- PREGNANCY and BREAST-FEEDING: It is not known if DuraHist D sustained-release tablets can cause harm to the fetus. If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using DuraHist D sustained-release tablets while you are pregnant. DuraHist D sustained-release tablets are found in breast milk. Do not breast-feed while taking DuraHist D sustained-release tablets.
Possible side effects of DuraHist D sustained-release tablets:
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; headache; loss of appetite; nausea; nervousness or anxiety; trouble sleeping; upset stomach; vomiting; weakness.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating or inability to urinate; fast or irregular heartbeat; hallucinations; mental or mood changes; seizures; severe dizziness, lightheadedness, or headache; tremor; vision changes.
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 deep sleep or loss of consciousness; hot or cool skin; irregular heartbeat; irritability, anxiety, or panic; large pupils; numbness or tingling in the arms or legs; seizures; slowed or shallow breathing.Proper storage of DuraHist D sustained-release tablets:
Store DuraHist D sustained-release tablets at room temperature, between 59 and 86 degrees F (15 and 30 degrees C), in a tightly closed container. Store away from heat, moisture, and light. Do not store in the bathroom. Keep DuraHist D sustained-release tablets out of the reach of children and away from pets.
- If you have any questions about DuraHist D sustained-release tablets, please talk with your doctor, pharmacist, or other health care provider.
- DuraHist D sustained-release tablets are 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.
This information is a summary only. It does not contain all information about DuraHist D sustained-release tablets. 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.