Guaifenesin/phenylephrine Interactions
There are 201 drugs known to interact with guaifenesin/phenylephrine, along with 4 disease interactions, and 1 alcohol/food interaction. Of the total drug interactions, 27 are major, 171 are moderate, and 3 are minor.
- View all 201 medications that may interact with guaifenesin/phenylephrine
- View guaifenesin/phenylephrine alcohol/food interactions (1)
- View guaifenesin/phenylephrine disease interactions (4)
Most frequently checked interactions
View interaction reports for guaifenesin / phenylephrine and the medicines listed below.
- Benadryl (diphenhydramine)
- Benadryl (diphenhydramine)
- Claritin (loratadine)
- Claritin (loratadine)
- Cymbalta (duloxetine)
- Cymbalta (duloxetine)
- Fish Oil (omega-3 polyunsaturated fatty acids)
- Fish Oil (omega-3 polyunsaturated fatty acids)
- Flexeril (cyclobenzaprine)
- Flexeril (cyclobenzaprine)
- Flonase (fluticasone nasal)
- Flonase (fluticasone nasal)
- Lyrica (pregabalin)
- Lyrica (pregabalin)
- MiraLAX (polyethylene glycol 3350)
- MiraLAX (polyethylene glycol 3350)
- ProAir HFA (albuterol)
- ProAir HFA (albuterol)
- Prozac (fluoxetine)
- Prozac (fluoxetine)
- Tylenol (acetaminophen)
- Tylenol (acetaminophen)
- Vitamin C (ascorbic acid)
- Vitamin C (ascorbic acid)
- Vitamin D3 (cholecalciferol)
- Vitamin D3 (cholecalciferol)
- Xanax (alprazolam)
- Xanax (alprazolam)
- Zyrtec (cetirizine)
- Zyrtec (cetirizine)
Guaifenesin/phenylephrine alcohol/food interactions
There is 1 alcohol/food interaction with guaifenesin / phenylephrine.
Guaifenesin/phenylephrine disease interactions
There are 4 disease interactions with guaifenesin / phenylephrine which include:
Report options
More about guaifenesin / phenylephrine
- guaifenesin/phenylephrine consumer information
- Compare alternatives
- Reviews (16)
- Drug images
- Side effects
- Dosage information
- During pregnancy
- Drug class: upper respiratory combinations
Related treatment guides
Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
| No interaction information available. |
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Mucinex D
Mucinex D (guaifenesin and pseudoephedrine) is used to treat nasal and sinus congestion, and to ...
Robitussin Nighttime Cough DM
Robitussin Nighttime Cough DM is used for cough, cough and nasal congestion
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
