Phentex Interactions
There are 241 drugs known to interact with Phentex (guaifenesin / phenylephrine / phenylpropanolamine), along with 5 disease interactions, and 1 alcohol/food interaction. Of the total drug interactions, 59 are major, 178 are moderate, and 4 are minor.
- View all 241 medications that may interact with Phentex
- View Phentex alcohol/food interactions (1)
- View Phentex disease interactions (5)
Most frequently checked interactions
View interaction reports for Phentex (guaifenesin / phenylephrine / phenylpropanolamine) and the medicines listed below.
- Adderall (amphetamine / dextroamphetamine)
- amitriptyline
- caffeine / pheniramine / phenylephrine / sodium citrate / sodium salicylate
- diazepam
- Fentora (fentanyl)
- fluoxetine
- Hydergine (ergoloid mesylates)
- Klonopin (clonazepam)
- levothyroxine
- memantine
- mephentermine
- Methadose (methadone)
- methocarbamol
- modafinil
- MontePhen (guaifenesin / phenylephrine)
- phentermine
- phentermine / topiramate
- propranolol
- Pseudoephedrine Sinus (acetaminophen / pseudoephedrine)
- Remeron (mirtazapine)
- Seroquel (quetiapine)
- trazodone
- vasopressin
- Vitamin B6 (pyridoxine)
- Vyvanse (lisdexamfetamine)
- Xanax (alprazolam)
- Zantryl (phentermine)
- Zoloft (sertraline)
Phentex alcohol/food interactions
There is 1 alcohol/food interaction with Phentex (guaifenesin / phenylephrine / phenylpropanolamine).
Phentex disease interactions
There are 5 disease interactions with Phentex (guaifenesin / phenylephrine / phenylpropanolamine) which include:
Report options
More about Phentex (guaifenesin / phenylephrine / phenylpropanolamine)
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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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.