Can you mix antihistamine with dextromethorphan?

Using dextromethorphan together with diphenhydrAMINE may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination.

Can you take cough syrup with antihistamine?

What Issues Are There from Combining Cough Medicine & Antihistamines? Common over-the-counter medications like cough suppressants and antihistamines are generally though to be perfectly safe – and if taken as directed, they usually are.

What does dextromethorphan interact with?

Severe Interactions of Dextromethorphan include:

  • isocarboxazid.
  • phenelzine.
  • procarbazine.
  • rasagiline.
  • safinamide.
  • selegiline.
  • tranylcypromine.

What can you not take with dextromethorphan?

View interaction reports for dextromethorphan / guaifenesin and the medicines listed below.

  • Advair Diskus (fluticasone / salmeterol)
  • Advil (ibuprofen)
  • Aspirin Low Strength (aspirin)
  • Benadryl (diphenhydramine)
  • Claritin (loratadine)
  • Fish Oil (omega-3 polyunsaturated fatty acids)
  • Flonase (fluticasone nasal)

Can you mix loratadine and dextromethorphan?

No interactions were found between dextromethorphan and loratadine. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

Can you mix cold medicine and allergy medicine?

Don’t mix cold and allergy meds, warns FDA

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The danger happens when children are given over-the-counter drugs for both colds and allergies at the same time. Parents run the risk of providing a double dose of an active ingredient, says the FDA.

How can I stop coughing from post nasal drip at night?

How to stop coughing at night

  1. Incline the head of your bed. …
  2. Use a humidifier. …
  3. Try honey. …
  4. Tackle your GERD. …
  5. Use air filters and allergy-proof your bedroom. …
  6. Prevent cockroaches. …
  7. Seek treatment for a sinus infection. …
  8. Rest and take decongestants for a cold.

What happens if you take too much dextromethorphan?

Dangerous physical symptoms of dextromethorphan overdose include tachycardia, slow breathing, changes in blood pressure and body temperature, and seizures. It is important to get help for a person suffering from a DXM overdose before these symptoms begin because they are more likely to lead to coma or death.

How many days can you take dextromethorphan?

Adults and children 12 years of age and older—5 to 15 mg every two to four hours, as needed. Children 6 to 12 years of age—5 to 15 mg every two to six hours, as needed. Children 4 to 6 years of age—5 mg every four hours, as needed.

Why does dextromethorphan make me feel weird?

When consumed at inappropriately high doses (over 1500 mg/day), DXM can induce a state of psychosis characterized by Phencyclidine (PCP)-like psychological symptoms, including delusions, hallucinations, and paranoia.

What are the side effects of dextromethorphan?


  • Blurred vision.
  • difficulty in urination.
  • drowsiness or dizziness.
  • nausea or vomiting (severe)
  • shakiness and unsteady walk.
  • slowed breathing.
  • unusual excitement, nervousness, restlessness, or irritability (severe)
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Can dextromethorphan make you feel weird?

Taking a lot of DXM causes hallucinations and out-of-body sensations similar to the ones caused by drugs like ketamine and PCP. These effects can last as long as 6 hours. DXM also can make users have trouble controlling their limbs and cause blurred vision, slurred speech, dizziness, and impaired judgment.

Is dextromethorphan an anti inflammatory?

Dextromethorphan (d-3-methoxy-17-methylmorphinan, DXM), a dextrorotatory morphinan, is a widely used and central acting antitussive with a proven safety profile14. In addition to its antitussive effect, DXM has also been shown to have anti-inflammatory and immunomodulatory properties.

No runny nose