chlorpheniramine, dextromethorphan, and phenylephrine (cont.)
IN THIS ARTICLE
- What is chlorpheniramine, dextromethorphan, and phenylephrine (Alka-Seltzer Plus Cold and Cough, Cardec DM Drops, Corfen-DM, De-Chlor DM, DM-PE-Chlor, Nasohist-DM Pediatric, NoHist DM, Norel CS, Poly-Tussin DM, Robitussin Cough & Allergy, Robitussin Cough & Cold Nighttime, Robitussin Pediatric Cough & Cold Nighttime, Tri-Dex PE, Trigofen DM Drops, Virdec DM, Zoden DM Drops)?
- What are the possible side effects of chlorpheniramine, dextromethorphan, and phenylephrine?
- What is the most important information I should know about chlorpheniramine, dextromethorphan, and phenylephrine?
- What should I discuss with my healthcare provider before taking chlorpheniramine, dextromethorphan, and phenylephrine?
- How should I take chlorpheniramine, dextromethorphan, and phenylephrine?
- What happens if I miss a dose?
- What happens if I overdose?
- What should I avoid while taking chlorpheniramine, dextromethorphan, and phenylephrine?
- What other drugs will affect chlorpheniramine, dextromethorphan, and phenylephrine?
- Where can I get more information?
What happens if I miss a dose?
Since cough or cold medicine is usually taken only 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. If it is almost time for your next dose, skip the missed dose and take the medicine at your next regularly scheduled time. 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 feeling restless or nervous, nausea, vomiting, stomach pain, dizziness, drowsiness, dry mouth, warmth or tingly feeling, or seizure (convulsions).
What should I avoid while taking chlorpheniramine, dextromethorphan, and phenylephrine?
This medication can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.
Avoid drinking alcohol. It can increase some of the side effects of this medication.
Before taking this medication, tell your doctor if you regularly use other medicines that make you sleepy (such as cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety). They can add to sleepiness caused by this medication.
Avoid taking diet pills, caffeine pills, or other stimulants (such as ADHD medications) without your doctor's advice. Taking a stimulant together with a decongestant can increase your risk of unpleasant side effects.
Do not use any other over-the-counter cough, cold, allergy, or sleep medication without first asking your doctor or pharmacist. Antihistamines, decongestants, and cough suppressants are contained in many medicines available over the counter. If you take certain products together you may accidentally take too much of one or more types of medicine. Read the label of any other medicine you are using to see if it contains an antihistamine, decongestant, or cough suppressant.
What other drugs will affect chlorpheniramine, dextromethorphan, and phenylephrine?
Before taking this medication, tell your doctor if you are using any of the following drugs:
- an antidepressant;
- a diuretic (water pill);
- medication to treat irritable bowel syndrome;
- celecoxib (Celebrex);
- cinacalcet (Sensipar);
- imatinib (Gleevec);
- quinidine (Quinaglute, Quinidex);
- ranolazine (Ranexa)
- ritonavir (Norvir);
- sibutramine (Meridia);
- terbinafine (Lamisil);
- medicines to treat high blood pressure;
- aspirin or salicylates (such as Disalcid, Doan's Pills, Dolobid, Salflex, Tricosal, and others);
- bladder or urinary medications such as darifenacin (Enablex), oxybutynin (Ditropan, Oxytrol) or tolterodine (Detrol); or
- a beta-blocker such as atenolol (Tenormin), carteolol (Cartrol), metoprolol (Lopressor, Toprol), nadolol (Corgard), propranolol (Inderal), sotalol (Betapace), timolol (Blocadren), and others.
This list is not complete and there may be other drugs that can interact with chlorpheniramine, dextromethorphan, and phenylephrine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about chlorpheniramine, dextromethorphan, and phenylephrine.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
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