Formulation R Interactions
There are 45 drugs known to interact with Formulation R (phenylephrine topical), along with 3 disease interactions. Of the total drug interactions, 6 are major, and 39 are moderate.
- View all 45 medications that may interact with Formulation R
- View Formulation R disease interactions (3)
Most frequently checked interactions
View interaction reports for Formulation R (phenylephrine topical) and the medicines listed below.
- acetaminophen / hydrocodone
- Actonel (risedronate)
- alendronate
- Aspirin Low Strength (aspirin)
- Atelvia (risedronate)
- atorvastatin
- Augmentin (amoxicillin / clavulanate)
- B-12 (cyanocobalamin)
- calcium carbonate
- calcium citrate
- cetirizine
- chlorthalidone
- clobetasol topical
- clonazepam
- clopidogrel
- dorzolamide / timolol ophthalmic
- duloxetine
- Flomax (tamsulosin)
- fluoxetine
- hydrochlorothiazide
- indapamide
- ketoconazole topical
- lisinopril
- Lumigan (bimatoprost ophthalmic)
- Malarone (atovaquone / proguanil)
- Metoprolol Tartrate (metoprolol)
- Mucinex D (guaifenesin / pseudoephedrine)
- multivitamin with minerals
- naproxen
- Nasacort AQ (triamcinolone nasal)
Formulation R disease interactions
There are 3 disease interactions with Formulation R (phenylephrine topical) which include:
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More about Formulation R (phenylephrine topical)
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. |
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.