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Doctor insights on: What Is An Overdose Of Dayquil

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What are the effects of overdose on dayquil (apap/dextromethorphan/pseudoephedrin?

What are the effects of overdose on dayquil (apap/dextromethorphan/pseudoephedrin?

Serious: Acetaminophen (apap, tylenol) overdose can kill the liver, and kill the overdoser. It is one of the most commonly overdosed over-the-counter medications, partly due to misconception that if it is over-the-counter then it cannot be all that harmful. It is safe within listed limits. Pseudoephedrine overdose can speed up the heart to dangerous levels or raise blood pressure to dangerous levels. ...Read more

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Dr. Shontae Buffington
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Overdose (Definition)

When the maximum dose of medication ...Read more


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I just took ibuprofen about a half an hour ago, and want to take either Dayquil or Robittussin as well. Is that overdosing?

I just took ibuprofen about a half an hour ago, and want to take either Dayquil or Robittussin as well. Is that overdosing?

Ibuprophen & dayquil: Ibuprophen is an NSAID-non steroidal anti-inflammatory( possible prostoglandin inhibitor) Nyquil contains acetominophen ( tylenol ) ,dextromethrophan a cough supressant and doxylamine -an antihistamine . Dayquil does not contain doxylamine-the antihistamine. The products are different classes of drugs and should not interact or result in overdose. ...Read more

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Dr. Shontae Buffington
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Can you mix dayquil with other drugs?

Please be specific: That way we can check the potential for drug interactions. ...Read more

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I took two30mg of psuedoephrin pills five hours ago. Can i take dayquil now?

I took two30mg of psuedoephrin pills five hours ago. Can i take dayquil now?

Be cautious: You need a doctors evaluation. Excess decongestants can cause cardiac arrhythmias and metabolic problems, and the comprehensive care of your condition should be managed by a physician. ...Read more

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Dr. Shontae Buffington
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Can i take dayquil with nucytna?

Can i take dayquil with nucytna?

Yes: You can safely use a non-drowsy cold medication with nucynta. Use caution thought if using a cold medicine that causes drowsiness ...Read more

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Is it okay to take half a dose of both nyquil and dayquil at the same time?

Is it okay to take half a dose of both nyquil and dayquil at the same time?

But why would one: NyQuil Cough omits the acetaminophen but has the dextromethorphan and doxylamine succinate to cut down on your coughing. DayQuil has acetaminophen like its more famous kin and the phenylephrine found in Severe, but keeps you from nodding off by having a lower level of dextromethorphan and no antihistamines. various versions of both may have guafenesin which helps bring up mucous. ...Read more

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Dr. Shontae Buffington
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