aspirin, chlorpheniramine, and phenylephrine (cont.)
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What happens if I miss a dose (Alka-Seltzer Plus Cold Formula)?
Since cold medicine is often used as needed, you may not be on a dosing schedule. If you are using the medication regularly, take the missed dose as soon as you remember. If it is almost time for the next dose, skip the missed dose and wait until your next regularly scheduled dose. Do not use extra medicine to make up the missed dose.
What happens if I overdose (Alka-Seltzer Plus Cold Formula)?
Seek emergency medical attention if you think you have used too much of this medicine.
Overdose symptoms may include ringing in your ears, headache, dizziness, nausea, vomiting, diarrhea, stomach pain, confusion, feeling restless of excited, hallucinations, rapid breathing, fever, and seizure (convulsions).
What should I avoid while taking aspirin, chlorpheniramine, and phenylephrine (Alka-Seltzer Plus Cold Formula)?
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 aspirin, chlorpheniramine, and phenylephrine.
Avoid using other medicines that make you sleepy (such as cold medicine, pain medication, muscle relaxers, and medicine for seizures, depression or anxiety). They can add to sleepiness caused by chlorpheniramine.
Avoid using other medicines that may cause restlessness (such as caffeine, stimulants, diet pills, and decongestants contained in over-the-counter cold medicines). They can add to the stimulant effects of phenylephrine.
Do not use any other over-the-counter medication without first asking your doctor or pharmacist. Aspirin, antihistamines, and decongestants are contained in many medicines available over the counter. If you take certain products together you may accidentally take too much of a certain drug. Read the label of any other medicine you are using to see if it contains aspirin, an antihistamine, or a decongestant.
Avoid taking an NSAID (non-steroidal anti-inflammatory drug) while you are taking aspirin. NSAIDs include ibuprofen (Motrin, Advil), diclofenac (Voltaren), etodolac (Lodine), indomethacin (Indocin), meloxicam (Mobic), nabumetone (Relafen), naproxen (Aleve, Naprosyn), piroxicam (Feldene), and others.
Avoid drinking alcohol while you are taking aspirin. Alcohol may increase your risk of stomach bleeding.
What other drugs will affect aspirin, chlorpheniramine, and phenylephrine (Alka-Seltzer Plus Cold Formula)?
Before using this medication, tell your doctor if you regularly use other medicines that make you sleepy (such as 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 if you are taking an antidepressant such as citalopram (Celexa), duloxetine (Cymbalta), escitalopram (Lexapro), fluoxetine (Prozac, Sarafem, Symbyax), fluvoxamine (Luvox), paroxetine (Paxil), sertraline (Zoloft), or venlafaxine (Effexor). Taking any of these drugs with aspirin may cause you to bruise or bleed easily.
Tell your doctor about all other medications you use, especially:
This list is not complete and there may be other drugs that can interact with aspirin, chlorpheniramine, 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 aspirin, chlorpheniramine, and phenylephrine.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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