Generic Name: chlorpheniramine and pseudoephedrine (klor fen EER a meen and soo doe e FED rin)
Brand Names: AccuHist Drops, Allerest Maximum Strength, Brexin L.A., Colfed-A, D-Amine-SR, Dayquil Allergy, Deconamine, Dicel, Dicel Chewables, Dura-Tap/PD, Durafed, Duratuss DA, Dynahist-ER Pediatric, Genaphed Plus, Histade, Histex, Kronofed-A, Kronofed-A-Jr, LoHist-D, Mintex, Neutrahist Drops, Re2+30, Rescon-Ed, Suclor, SudaHist, Sudal-12 Chewable, Sudal-12 Tannate, Sudogest Cold & Allergy, SudoGest Sinus & Allergy, Tavist-DA, Triaminic Cold and Allergy, Triaminic Softchew Cold and Allergy, Triaminic Softchews Allergy Runny Nose and Congestion
What is Histade (chlorpheniramine and pseudoephedrine)?
Chlorpheniramine is an antihistamine that reduces the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.
Pseudoephedrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).
The combination of chlorpheniramine and pseudoephedrine is used to treat symptoms of the common cold or seasonal allergies, including sneezing, runny or stuffy nose, and itchy, watery eyes.
Chlorpheniramine and pseudoephedrine may also be used for other purposes not listed in this medication guide.
What is the most important information I should know about Histade (chlorpheniramine and pseudoephedrine)?
There are many brands and forms of this medication available and not all brands are listed on this leaflet.
Do not use chlorpheniramine and pseudoephedrine if you have used an MAO inhibitor such as furazolidone (Furoxone), isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam, Zelapar), or tranylcypromine (Parnate) in the last 14 days. A dangerous drug interaction could occur, leading to serious side effects. You should not use this medication if you are allergic to chlorpheniramine or pseudoephedrine, or if you have severe high blood pressure or coronary artery disease, narrow-angle glaucoma, a stomach ulcer, or if you are unable to urinate.
Do not use this medication during an asthma attack.
This medication may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert. Drinking alcohol can increase certain side effects of chlorpheniramine and pseudoephedrine. Older adults may be more likely to have side effects from this medicine. Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.
Talk with your doctor if your symptoms do not improve after 7 days of treatment, or if you have a fever with a headache, cough, or skin rash.
What should I discuss with my healthcare provider before taking Histade (chlorpheniramine and pseudoephedrine)?
Do not use chlorpheniramine and pseudoephedrine if you have used an MAO inhibitor such as furazolidone (Furoxone), isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam, Zelapar), or tranylcypromine (Parnate) in the last 14 days. A dangerous drug interaction could occur, leading to serious side effects. You should not use this medication if you are allergic to chlorpheniramine or pseudoephedrine, or if you have:
severe or uncontrolled high blood pressure;
severe coronary artery disease;
narrow angle glaucoma;
a stomach ulcer;
if you are unable to urinate; or
if you are having an asthma attack.
Ask a doctor or pharmacist if it is safe for you to take this medication if you have:
- kidney disease;
- liver disease;
diabetes;
glaucoma;
circulation problems;
heart disease or high blood pressure;
overactive thyroid;
a seizure disorder such as epilepsy;
asthma, emphysema or chronic bronchitis; or
urination problems or an enlarged prostate.
FDA pregnancy category C. It is not known whether chlorpheniramine and pseudoephedrine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication. It is not known whether chlorpheniramine and pseudoephedrine passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby. Older adults may be more likely to have side effects from this medicine.
Artificially sweetened liquid cold medicine may contain phenylalanine. If you have phenylketonuria (PKU), check the medication label to see if the product contains phenylalanine.
How should I take Histade (chlorpheniramine and pseudoephedrine)?
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. Cold medicine is usually taken only for a short time until your symptoms clear up.
Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children. Do not crush, chew, break, or open an extended-release tablet or capsule. Swallow it whole. Breaking or opening the pill may cause too much of the drug to be released at one time.
The chewable tablet must be chewed before swallowing.
Measure liquid medicine with a special dose-measuring spoon or medicine cup, not with a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.
Talk with your doctor if your symptoms do not improve after 7 days of treatment, or if you have a fever with a headache, cough, or skin rash.
This medication can cause unusual results with allergy skin tests. Tell any doctor who treats you that you are taking an antihistamine.
If you need surgery, tell the surgeon ahead of time if you have taken a cold medicine within the past few days.
Store at room temperature away from moisture and heat.
What happens if I miss a dose?
Since cold medicine is taken as needed, you may not be on a dosing schedule. If you are taking the medication regularly, take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include some of the serious side effects listed in this medication guide.
What should I avoid while taking Histade (chlorpheniramine and pseudoephedrine)?
This medication may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert. Drinking alcohol can increase certain side effects of chlorpheniramine and pseudoephedrine. Ask a doctor or pharmacist before using any other cold, allergy, or sleep medicine. Chlorpheniramine and pseudoephedrine are contained in many combination medicines. Taking certain products together can cause you to get too much of a certain drug. Check the label to see if a medicine contains an antihistamine or decongestant.
Avoid taking this medication if you also take diet pills, caffeine pills, or other stimulants (such as ADHD medications). Taking a stimulant together with a decongestant can increase your risk of unpleasant side effects.
Histade (chlorpheniramine and pseudoephedrine) side effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using this medication and call your doctor at once if you have a serious side effect such as:
fast or pounding heartbeats;
confusion, hallucinations, unusual thoughts or behavior;
severe dizziness, anxiety, restless feeling, nervousness;
urinating less than usual or not at all;
easy bruising or bleeding, unusual weakness; or
seizure (black-out or convulsions).
Less serious side effects may include:
blurred vision;
dry nose or mouth;
nausea, stomach pain, constipation, loss of appetite;
dizziness, drowsiness;
problems with memory or concentration;
ringing in your ears; or
feeling restless or excited (especially in children).
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1 800 FDA 1088.
What other drugs will affect Histade (chlorpheniramine and pseudoephedrine)?
Before using this medication, tell your doctor if you regularly use other medicines that make you sleepy (such as other cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety). They can add to sleepiness caused by chlorpheniramine.
Tell your doctor about all other medications you use, especially:
mecamylamine (Inversine);
methyldopa (Aldomet);
reserpine;
a beta-blocker such as atenolol (Tenormin, Tenoretic), carvedilol (Coreg), labetalol (Normodyne, Trandate), metoprolol (Lopressor, Toprol), nadolol (Corgard), propranolol (Inderal, InnoPran), sotalol (Betapace), and others;
a barbiturate such as butabarbital (Butisol), secobarbital (Seconal), pentobarbital (Nembutal), or phenobarbital (Solfoton); or
an antidepressant such as amitriptyline (Elavil, Vanatrip), doxepin (Sinequan), nortriptyline (Pamelor), and others.
This list is not complete and other drugs may interact with chlorpheniramine and pseudoephedrine. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
More Histade resources
- Histade Side Effects (in more detail)
- Histade Use in Pregnancy & Breastfeeding
- Drug Images
- Histade Drug Interactions
- Histade Support Group
- 11 Reviews for Histade - Add your own review/rating
Compare Histade with other medications
- Hay Fever
- Sinusitis
Where can I get more information?
- Your pharmacist can provide more information about chlorpheniramine and pseudoephedrine.
See also: Histade side effects (in more detail)
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