Famotidine Interactions
Showing entire list of all interactions, including brand names and combination drugs.
Go back to interactions summary
Medications known to interact with famotidine
O
- O-Cal-D (calcium / vitamin d)
- Odefsey (emtricitabine / rilpivirine / tenofovir alafenamide)
- Odomzo (sonidegib)
- ofloxacin
- Ogsiveo (nirogacestat)
- olanzapine
- olanzapine / samidorphan
- Oleptro (trazodone)
- oliceridine
- Olinvyk (oliceridine)
- olodaterol
- olodaterol / tiotropium
- Omeclamox-Pak (amoxicillin / clarithromycin / omeprazole)
- omeprazole / sodium bicarbonate
- ondansetron
- Onmel (itraconazole)
- Orap (pimozide)
- Orgovyx (relugolix)
- Orinase (tolbutamide)
- Orlaam (levomethadyl acetate)
- Ormazine (chlorpromazine)
- Orudis (ketoprofen)
- Orudis KT (ketoprofen)
- Oruvail (ketoprofen)
- Os-Cal (calcium carbonate)
- Os-Cal 500 Chewable (calcium / vitamin d)
- Os-Cal Calcium+D3 (calcium / vitamin d)
- Os-Cal Extra D3 (calcium / vitamin d)
- osilodrostat
- osimertinib
- Osteocit D Plus (calcium / vitamin d)
- oxaliplatin
- oxaprozin
- oxtriphylline
- oxytocin
- Oysco 500 (calcium carbonate)
- Oysco 500 with D (calcium / vitamin d)
- Oysco D (calcium / vitamin d)
- Oysco D with Calcium (calcium / vitamin d)
- Oyst Cal (calcium carbonate)
- Oyst Cal 500 (calcium carbonate)
- Oyst-Cal-D (calcium / vitamin d)
- Oyster (calcium carbonate)
- Oyster Cal (calcium carbonate)
- Oyster Cal 500 (calcium carbonate)
- Oyster Calcium (calcium carbonate)
- Oyster Shell (calcium carbonate)
- Oyster Shell Calcium (calcium carbonate)
- Oyster Shell Calcium 500 (calcium carbonate)
- Oyster Shell Calcium with Vitamin D (calcium / vitamin d)
- Oyster-D (calcium / vitamin d)
- Oystercal-D (calcium / vitamin d)
- ozanimod
More about famotidine
- famotidine consumer information
- Check interactions
- Compare alternatives
- Pricing & coupons
- Reviews (168)
- Drug images
- Side effects
- Dosage information
- Patient tips
- During pregnancy
- Support group
- Drug class: H2 antagonists
- Breastfeeding
- En español
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.