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Phenoxymethyl Penicillin [Penicillin V] interactions

Checked as Phenoxymethylpenicillin in this data source.

Full monograph for Phenoxymethyl Penicillin [Penicillin V]Check it against another medicine

Medicines

113 documented

Medicines documented to interact with Phenoxymethyl Penicillin [Penicillin V], worst severity first.
MedicineSeverityMechanismEffectSources
MethotrexateMajorExcretionConcomitant use of large doses of penicillins may elevate serum methotrexate concentrations. The mechanism may involve competitive inhibition of renal tubular…11 sources — open the full entry
Betamethasone + Neomycin Sulphate (Ophthalmic)ModerateAbsorptionLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…4 sources — open the full entry
Cinchocaine + Hydrocortisone + Framycetin + EsculinModerateAbsorptionLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…4 sources — open the full entry
Cinchocaine + Hydrocortisone + Neomycin + EsculinModerateAbsorptionLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…4 sources — open the full entry
Clobetasol Propionate + Neomycin Sulphate + NystatinModerateAbsorptionLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…4 sources — open the full entry
Cyproterone Acetate + Ethinyl EstradiolModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Dexamethasone + Neomycin + Glacial Acetic AcidModerateAbsorption · UnknownLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…2 documented mechanisms4 sources — open the full entry
Dexamethasone + Neomycin Sulphate + Polymyxin B SulphateModerateAbsorption · UnknownLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…2 documented mechanisms4 sources — open the full entry
Dienogest + Estradiol ValerateModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Doxycycline HydrochlorideModerateAntagonismTetracyclines may reduce the effect of penicillins by inhibiting cellular protein synthesis which is necessary for cell wall synthesis inhibition by…8 sources — open the full entry
Drospirenone + EstradiolModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Drospirenone + Ethinyl Estradiol0.02 mg0.03 mgModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Drospirenone + Ethinyl Estradiol + LevomefolateModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Entecavir MonohydrateModerateExcretionCoadministration of entecavir with another drug that is also eliminated by active tubular secretion may result in increased plasma concentrations of one or…2 sources — open the full entry
Estradiolbasevaginal creamModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Estradiol + DydrogesteroneModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Estradiol Hemihydrate + Progesterone MicronizedModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Estradiol ValerateModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Ethinyl Estradiol + Desogestrel0.02 mg0.03 mgModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Ethinyl Estradiol + GestodeneModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Ethinyl Estradiol + Levonorgestrel + Ferrous FumarateModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Ethinyl Estradiol + Lynestrenol0.0375 mg0.05 mgModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Fluocinolone Acetonide + Neomycin SulfateModerateAbsorptionLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…4 sources — open the full entry
Fluormetholone + Neomycin SulphateModerateAbsorptionLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…4 sources — open the full entry
Gramacidin + Neomycin + Polymixin BModerateAbsorptionLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…4 sources — open the full entry
Hydrocortisone + Neomycin Sulphate + Polymixin BModerateAbsorptionLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…4 sources — open the full entry
Hydrocortisone Acetate + Neomycin SulphateModerateAbsorptionLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…4 sources — open the full entry
Metronidazole + Neomycin Sulphate + Polymyxin B + NystatinModerateAbsorptionLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…4 sources — open the full entry
Minocycline HydrochlorideModerateAntagonismTetracyclines may reduce the effect of penicillins by inhibiting cellular protein synthesis which is necessary for cell wall synthesis inhibition by…8 sources — open the full entry
Mycophenolate MofetilModerateAbsorptionTheoretically, drugs that alter the gastrointestinal flora (e.g., antibiotics) may reduce the oral bioavailability of mycophenolic acid products. Some…3 sources — open the full entry
Mycophenolic acidModerateAbsorptionTheoretically, drugs that alter the gastrointestinal flora (e.g., antibiotics) may reduce the oral bioavailability of mycophenolic acid products. Some…3 sources — open the full entry
Neomycin Sulfate + Bacitracin ZincModerateAbsorptionLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…4 sources — open the full entry
Neomycin Sulfate + Bacitracin Zinc + Polymyxin B SulfateModerateAbsorptionLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…4 sources — open the full entry
Neomycin Sulphate + Polymyxin B Sulphate + PramoxineModerateAbsorptionLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…4 sources — open the full entry
Norgestrel + Ethinyl Estradiol + Ferrous FumarateModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
OxytetracyclineModerateAntagonismTetracyclines may reduce the effect of penicillins by inhibiting cellular protein synthesis which is necessary for cell wall synthesis inhibition by…8 sources — open the full entry
Oxytetracycline + Polymixin B SulphateModerateAntagonismTetracyclines may reduce the effect of penicillins by inhibiting cellular protein synthesis which is necessary for cell wall synthesis inhibition by…8 sources — open the full entry
PemetrexedModerateExcretionCoadministration with drugs that are eliminated by active tubular secretion may delay and/or decrease the clearance of pemetrexed. The mechanism is competitive…1 sources — open the full entry
Prednisolone + Neomycin Sulphate + Polymixin B SulphateModerateAbsorption · UnknownLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…2 documented mechanisms4 sources — open the full entry
Relugolix + Estradiol + NorethindroneModerateAntagonismRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. Most…38 sources — open the full entry
Tetracycline HydrochlorideModerateAntagonismTetracyclines may reduce the effect of penicillins by inhibiting cellular protein synthesis which is necessary for cell wall synthesis inhibition by…8 sources — open the full entry
Triamcinolone + Neomycin + Nystatin + GramicidinModerateAbsorptionLimited data suggest that concomitant administration of oral neomycin with oral penicillin may reduce serum concentrations of penicillin. The proposed…4 sources — open the full entry
Warfarin SodiumModerateSynergyPenicillins may occasionally potentiate the risk of bleeding in patients treated with oral anticoagulants. The exact mechanism of interaction is unknown but…54 sources — open the full entry
Azithromycin DihydratebaseOphthalmicMinorOthersAlthough some in vitro data indicate synergism between macrolide antibiotics and penicillins, other in vitro data indicate antagonism. When these drugs are…3 sources — open the full entry
ClarithromycinMinorOthersAlthough some in vitro data indicate synergism between macrolide antibiotics and penicillins, other in vitro data indicate antagonism. When these drugs are…3 sources — open the full entry
ErythromycinLotionOralMinorOthersAlthough some in vitro data indicate synergism between macrolide antibiotics and penicillins, other in vitro data indicate antagonism. When these drugs are…3 sources — open the full entry
Esomeprazole + Amoxicillin + ClarithromycinMinorOthersAlthough some in vitro data indicate synergism between macrolide antibiotics and penicillins, other in vitro data indicate antagonism. When these drugs are…3 sources — open the full entry
Lansoprazole + Amoxicillin + ClarithromycinMinorOthers · UnknownAlthough some in vitro data indicate synergism between macrolide antibiotics and penicillins, other in vitro data indicate antagonism. When these drugs are…2 documented mechanisms3 sources — open the full entry
Rabeprazole + Amoxicillin + ClarithromycinMinorOthersAlthough some in vitro data indicate synergism between macrolide antibiotics and penicillins, other in vitro data indicate antagonism. When these drugs are…3 sources — open the full entry
Vonoprazan + Amoxicillin + ClarithromycinMinorOthersAlthough some in vitro data indicate synergism between macrolide antibiotics and penicillins, other in vitro data indicate antagonism. When these drugs are…3 sources — open the full entry

Conditions

Conditions in which Phenoxymethyl Penicillin [Penicillin V] needs care, as documented in this source.

Therapeutic duplication

Drug classes that overlap with Phenoxymethyl Penicillin [Penicillin V], so taking both doubles up the same effect. This source publishes no per-row citations for duplication.