Sulfamethoxazole/trimethoprim Interactions
Showing entire list of all interactions, including brand names and combination drugs.
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Medications known to interact with sulfamethoxazole/trimethoprim
R
- R.E.C.K. (clonidine / epinephrine / ketorolac / ropivacaine)
- RadiaGuard (lidocaine topical)
- Radiaura Skin Recovery (hydrocortisone / lidocaine topical)
- Rajani (drospirenone / ethinyl estradiol / levomefolate calcium)
- ramipril
- Ranexa (ranolazine)
- ranolazine
- Rapiflux (fluoxetine)
- Rasuvo (methotrexate)
- Raxar (grepafloxacin)
- Razadyne (galantamine)
- Razadyne ER (galantamine)
- RCK (clonidine / ketorolac / ropivacaine)
- RE-PB Hyos Elixir (atropine / hyoscyamine / phenobarbital / scopolamine)
- Realheal-I (lidocaine / prilocaine topical)
- Rebif (interferon beta-1a)
- Rebif Rebidose (interferon beta-1a)
- Rebyota (fecal microbiota, live)
- Reciphexamine (lidocaine / menthol topical)
- Reclipsen (desogestrel / ethinyl estradiol)
- Recorlev (levoketoconazole)
- Rectacreme HC (hydrocortisone / lidocaine topical)
- RectaGel HC (hydrocortisone / lidocaine topical)
- RectiCare (lidocaine topical)
- RediTrex (methotrexate)
- Regenecare (aloe vera / collagen / lidocaine topical)
- Regenecare HA (aloe vera / collagen / lidocaine / sodium hyaluronate topical)
- Regenecare HA Spray (lidocaine topical)
- Relador Pak Plus (lidocaine / prilocaine topical)
- Relion Novolin 70 / 30 Innolet (insulin isophane / insulin regular)
- Relion Novolin N (insulin isophane)
- ReliOn NovoLog (insulin aspart)
- ReliOn/Humulin R (insulin regular)
- ReliOn / Novolin 70 / 30 (insulin isophane / insulin regular)
- ReliOn/Novolin R (insulin regular)
- relugolix
- Relyvrio (sodium phenylbutyrate / taurursodiol)
- Relyyks (lidocaine / menthol topical)
- remdesivir
- Remeron (mirtazapine)
- Remeron SolTab (mirtazapine)
- Reminyl (galantamine)
- Remodulin (treprostinil)
- Renovo Lido5 (capsaicin / lidocaine / menthol topical)
- repaglinide
- Respirol (albuterol)
- Restora (lactobacillus casei / omega-3 polyunsaturated fatty acids)
- Restora Rx (folic acid / lactobacillus casei)
- Retevmo (selpercatinib)
- Retre-Gel (benzocaine topical)
- Retrovir (zidovudine)
- Revesta (cholecalciferol / folic acid)
- Revia (naltrexone)
- Rezine (hydroxyzine)
- Rezvoglar (insulin glargine)
- Rezyst (bifidobacterium infantis / lactobacillus acidophilus)
- ReZyst IM (bifidobacterium infantis / lactobacillus acidophilus)
- Rheumatrex Dose Pack (methotrexate)
- Rhuzdah (ethinyl estradiol / norethindrone)
- ribociclib
- Rid-A-Pain (benzocaine topical)
- Rifadin (rifampin)
- Rifadin IV (rifampin)
- Rifamate (isoniazid / rifampin)
- rifampin
- rifapentine
- Rifater (isoniazid / pyrazinamide / rifampin)
- rilpivirine
- Rimactane (rifampin)
- Riomet (metformin)
- Riomet ER (metformin)
- Risa-Bid (lactobacillus acidophilus)
- RisaQuad (lactobacillus acidophilus)
- RisaQuad 2 (lactobacillus acidophilus)
- Risperdal (risperidone)
- Risperdal Consta (risperidone)
- Risperdal M-Tab (risperidone)
- risperidone
- Risvan (risperidone)
- ritonavir
- Rivelsa (ethinyl estradiol / levonorgestrel)
- Robimycin (erythromycin)
- Rocephin IM Convenience Kit (ceftriaxone / lidocaine)
- Roctavian (valoctocogene roxaparvovec)
- romidepsin
- ropivacaine
- ropivacaine / sufentanil
- rosiglitazone
- Roxifol-D (cholecalciferol / folic acid)
- Rozlytrek (entrectinib)
- Rubraca (rucaparib)
- rucaparib
- Rukobia (fostemsavir)
- Rum-K (potassium chloride)
- Rybix ODT (tramadol)
- Rydapt (midostaurin)
- Rykindo (risperidone)
- Rylaze (asparaginase erwinia chrysanthemi)
- Rythmol (propafenone)
- Rythmol SR (propafenone)
- Ryzodeg 70/30 (insulin aspart/insulin degludec)
- Ryzolt (tramadol)
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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. |
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.