Methenamine Interactions
There are 65 drugs known to interact with methenamine, along with 3 disease interactions. Of the total drug interactions, 9 are major, and 56 are moderate.
- View all 65 medications that may interact with methenamine
- View methenamine disease interactions (3)
Most frequently checked interactions
View interaction reports for methenamine and the medicines listed below.
- Aspirin Low Strength (aspirin)
- Aspirin Low Strength (aspirin)
- Benadryl (diphenhydramine)
- Benadryl (diphenhydramine)
- Cymbalta (duloxetine)
- Cymbalta (duloxetine)
- Eliquis (apixaban)
- Eliquis (apixaban)
- Lyrica (pregabalin)
- Lyrica (pregabalin)
- Metoprolol Succinate ER (metoprolol)
- Metoprolol Succinate ER (metoprolol)
- MiraLAX (polyethylene glycol 3350)
- MiraLAX (polyethylene glycol 3350)
- Myrbetriq (mirabegron)
- Myrbetriq (mirabegron)
- Probiotic Formula (bifidobacterium infantis / lactobacillus acidophilus)
- Probiotic Formula (bifidobacterium infantis / lactobacillus acidophilus)
- Synthroid (levothyroxine)
- Synthroid (levothyroxine)
- Tylenol (acetaminophen)
- Tylenol (acetaminophen)
- Vitamin B12 (cyanocobalamin)
- Vitamin B12 (cyanocobalamin)
- Vitamin C (ascorbic acid)
- Vitamin C (ascorbic acid)
- Vitamin D3 (cholecalciferol)
- Vitamin D3 (cholecalciferol)
- Zyrtec (cetirizine)
- Zyrtec (cetirizine)
Methenamine disease interactions
There are 3 disease interactions with methenamine which include:
Report options
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- During pregnancy
- Drug class: urinary anti-infectives
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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. |
See also:
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Hiprex
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Macrodantin
Macrodantin is used for bladder infection, prevention of bladder infection, urinary tract infection
SMZ-TMP DS
SMZ-TMP DS (sulfamethoxazole and trimethoprim) is an antibiotic used to treat ear infections ...
Co-trimoxazole
Co-trimoxazole is used for bacterial infection, bacterial skin infection, bronchitis ...
Septra
Septra is an antibiotic containing sulfamethoxazole and trimethoprim used to treat ear infections ...
Trimethoprim
Trimethoprim is used for bladder infection, middle ear infections, pneumocystis pneumonia ...
Sulfamethoxazole/trimethoprim
Sulfamethoxazole/trimethoprim is used for acne, bacterial infection, bacterial skin infection ...
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
