IN THIS ARTICLE
- What is chlorpheniramine (AHist, Aller-Chlor, Allergy Relief, C.P.M., Chlo-Amine, Chlor-Mal, Chlorphen, ChlorTan, Chlor-Trimeton, Chlor-Trimeton Allergy SR, Ed ChlorPed, Ed Chlor-Tan, PediaTan, TanaHist-PD, Triaminic Allergy, Wal-finate)?
- What are the possible side effects of chlorpheniramine?
- What is the most important information I should know about chlorpheniramine?
- What should I discuss with my healthcare provider before taking chlorpheniramine?
- How should I take chlorpheniramine?
- What happens if I miss a dose?
- What happens if I overdose?
- What should I avoid while taking chlorpheniramine?
- What other drugs will affect chlorpheniramine?
- Where can I get more information?
What happens if I miss a dose?
Since cold or allergy medicine is taken when 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 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?
Ask a doctor or pharmacist before using any other cold, cough, or allergy medicine. Chlorpheniramine is 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.
Avoid becoming overheated or dehydrated during exercise and in hot weather. Chlorpheniramine can decrease perspiration and you may be more prone to heat stroke.
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.
What other drugs will affect chlorpheniramine?
Other cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression or anxiety can add to sleepiness caused by chlorpheniramine. Tell your doctor if you regularly use any of these medicines.
Tell your doctor about all other medicines you use, especially:
- glycopyrrolate (Robinul);
- mepenzolate (Cantil);
- probenecid (Benemid, Probalan);
- rifampin (Rifadin, Rifater, Rifamate, Rimactane);
- zidovudine (Retrovir, AZT);
- a diuretic (water pill);
- atropine (Atreza, Sal-Tropine), belladonna (Donnatal, and others), benztropine (Cogentin), dimenhydrinate (Dramamine), methscopolamine (Pamine), or scopolamine (Transderm-Scop);
- bladder or urinary medications such as darifenacin (Enablex), flavoxate (Urispas), oxybutynin (Ditropan, Oxytrol), tolterodine (Detrol), or solifenacin (Vesicare);
- bronchodilators such as ipratropium (Atrovent) or tiotropium (Spiriva);
- irritable bowel medications such as dicyclomine (Bentyl), hyoscyamine (Hyomax), or propantheline (Pro-Banthine); or
- salicylates such as aspirin, Backache Relief Extra Strength, Novasal, Nuprin Backache Caplet, Doan's Pills Extra Strength, Pepto-Bismol, Tricosal, and others;
This list is not complete and other drugs may interact with chlorpheniramine. 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.
Where can I get more information?
Your pharmacist can provide more information about chlorpheniramine.
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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