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Med Rx.

Doxycycline Hydrochloride interactions

Checked as Doxycycline in this data source.

Full monograph for Doxycycline HydrochlorideCheck it against another medicine

Medicines

563 documented

Medicines documented to interact with Doxycycline Hydrochloride, worst severity first.
MedicineSeverityMechanismEffectSources
AcitretinMajorSynergyConcomitant use of vitamin A or related compounds (i.e., retinoids) with tetracyclines may increase the risk of pseudotumor cerebri, also known as benign…25 sources — open the full entry
Clindamycin + TretinoinMajorSynergy · UnknownConcomitant use of vitamin A or related compounds (i.e., retinoids) with tetracyclines may increase the risk of pseudotumor cerebri, also known as benign…2 documented mechanisms25 sources — open the full entry
Fluocinolone Acetonide + Hydroquinone + TretinoinMajorSynergyConcomitant use of vitamin A or related compounds (i.e., retinoids) with tetracyclines may increase the risk of pseudotumor cerebri, also known as benign…25 sources — open the full entry
Iron + Folic Acid + Vitamin A + Vitamin C + ZincMajorAbsorption · Synergy · UnknownConcomitant use of vitamin A or related compounds (i.e., retinoids) with tetracyclines may increase the risk of pseudotumor cerebri, also known as benign…3 documented mechanisms37 sources — open the full entry
IsotretinoinOralTopicalMajorSynergyConcomitant use of vitamin A or related compounds (i.e., retinoids) with tetracyclines may increase the risk of pseudotumor cerebri, also known as benign…25 sources — open the full entry
Tretinoin (Oral)MajorSynergyConcomitant use of vitamin A or related compounds (i.e., retinoids) with tetracyclines may increase the risk of pseudotumor cerebri, also known as benign…25 sources — open the full entry
Vitamin AMajorSynergyConcomitant use of vitamin A or related compounds (i.e., retinoids) with tetracyclines may increase the risk of pseudotumor cerebri, also known as benign…23 sources — open the full entry
Activated CharcoalModerateAbsorptionCharcoal may reduce the absorption of many drugs and can absorb enterohepatically circulated drugs. Clinical utility may be the reduction either of the effects…25 sources — open the full entry
Aluminium Hydroxide + Magnesium HydroxideModerateAbsorptionINTERVAL: Administration of a tetracycline with aluminum, calcium, or magnesium salts significantly decreases tetracycline serum concentrations. The proposed…2 documented mechanisms15 sources — open the full entry
Aluminium Hydroxide + Magnesium Hydroxide + SimethiconeModerateAbsorptionINTERVAL: Administration of a tetracycline with aluminum, calcium, or magnesium salts significantly decreases tetracycline serum concentrations. The proposed…2 documented mechanisms15 sources — open the full entry
Aluminium Oxide + Magnesium TrisilicateModerateAbsorptionAdministration of a tetracycline with aluminum, calcium, or magnesium salts significantly decreases tetracycline serum concentrations. The proposed mechanism…13 sources — open the full entry
AminophyllineModerateMetabolismCoadministration of a tetracycline may decrease theophylline plasma clearance and increase theophylline levels. Data are available for minocycline…5 sources — open the full entry
Amoxicillin + Clavulanic AcidModerateAntagonismTetracyclines 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
Amoxicillin TrihydrateModerateAntagonismTetracyclines 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
Ampicillin SodiumModerateAntagonismTetracyclines 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
Atracurium BesilateModerateSynergySome drugs may enhance the effects of neuromuscular blocking agents.2 sources — open the full entry
Benzathine BenzylpenicillinModerateAntagonismTetracyclines 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
Biphasic Insulin AspartModerateSynergyTetracyclines may enhance the hypoglycemic effect of insulin by increasing tissue sensitivity to exogenous insulin.18 sources — open the full entry
Bismuth SubsalicylateModerateAbsorptionINTERVAL: Administration of a bismuth-containing preparation within two to three hours of a tetracycline may significantly decrease serum tetracycline…6 sources — open the full entry
Calcium AcetateModerateAbsorptionINTERVAL: Administration of a tetracycline with aluminum, calcium, or magnesium salts significantly decreases tetracycline serum concentrations. The proposed…15 sources — open the full entry
Calcium acetate + Magnesium carbonateModerateAbsorptionINTERVAL: Administration of a tetracycline with aluminum, calcium, or magnesium salts significantly decreases tetracycline serum concentrations. The proposed…2 documented mechanisms15 sources — open the full entry
Calcium CarbonateModerateAbsorptionINTERVAL: Administration of a tetracycline with aluminum, calcium, or magnesium salts significantly decreases tetracycline serum concentrations. The proposed…15 sources — open the full entry
Calcium Citrate + CalcitriolModerateAbsorption · UnknownINTERVAL: Administration of a tetracycline with aluminum, calcium, or magnesium salts significantly decreases tetracycline serum concentrations. The proposed…2 documented mechanisms15 sources — open the full entry
Calcium GluconateModerateAbsorptionINTERVAL: Administration of a tetracycline with aluminum, calcium, or magnesium salts significantly decreases tetracycline serum concentrations. The proposed…15 sources — open the full entry
Calcium LactateModerateAbsorptionINTERVAL: Administration of a tetracycline with aluminum, calcium, or magnesium salts significantly decreases tetracycline serum concentrations. The proposed…15 sources — open the full entry
Calcium Lactate Gluconate + Calcium Carbonate + Vitamin CModerateAbsorptionINTERVAL: Administration of a tetracycline with aluminum, calcium, or magnesium salts significantly decreases tetracycline serum concentrations. The proposed…15 sources — open the full entry
Calcium Lactate Gluconate + Calcium Carbonate + Vitamin C + Vitamin D3ModerateAbsorptionINTERVAL: Administration of a tetracycline with aluminum, calcium, or magnesium salts significantly decreases tetracycline serum concentrations. The proposed…15 sources — open the full entry
Calcium Lactate Gluconate + Calcium Carbonate + Vitamin D3ModerateAbsorptionINTERVAL: Administration of a tetracycline with aluminum, calcium, or magnesium salts significantly decreases tetracycline serum concentrations. The proposed…15 sources — open the full entry
Calcium Lactate Gluconate + Calcium Carbonate + Vitamin D3 + MultimineralsModerateAbsorptionINTERVAL: Administration of a tetracycline with aluminum, calcium, or magnesium salts significantly decreases tetracycline serum concentrations. The proposed…15 sources — open the full entry
Calcium Phosphate [Milk source] + Vitamin D3ModerateAbsorptionINTERVAL: Administration of a tetracycline with aluminum, calcium, or magnesium salts significantly decreases tetracycline serum concentrations. The proposed…15 sources — open the full entry
CarbamazepineModerateMetabolismCarbamazepine may significantly decrease serum levels and the half-life of doxycycline. The mechanism may be related to induction of doxycycline metabolism…5 sources — open the full entry
Carbonyl Iron + Folic AcidModerateAbsorption · UnknownThe bioavailability of oral tetracyclines and iron salts may be significantly decreased during concurrent administration. Therapeutic failure may result. The…2 documented mechanisms14 sources — open the full entry
Carbonyl Iron + Folic Acid + Zinc SulfateModerateAbsorption · UnknownThe bioavailability of oral tetracyclines and iron salts may be significantly decreased during concurrent administration. Therapeutic failure may result. The…2 documented mechanisms14 sources — open the full entry
Carbonyl Iron + Folic Acid + Zinc Sulfate + Vitamin B Complex + Vitamin CModerateAbsorption · UnknownThe bioavailability of oral tetracyclines and iron salts may be significantly decreased during concurrent administration. Therapeutic failure may result. The…2 documented mechanisms14 sources — open the full entry
Cisatracurium BesylateModerateSynergySome drugs may enhance the effects of neuromuscular blocking agents.2 sources — open the full entry
Cloxacillin SodiumModerateAntagonismTetracyclines 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
Cyproterone Acetate + Ethinyl EstradiolModerateAbsorptionRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. The non-hormonal…91 sources — open the full entry
DigoxinModerateAbsorptionTetracyclines may increase serum levels of orally administered digoxin in about 10% of the population. The mechanism may be related to changes in intestinal…6 sources — open the full entry
Drospirenone + Ethinyl Estradiol0.02 mg0.03 mgModerateAbsorptionRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. The non-hormonal…91 sources — open the full entry
Drospirenone + Ethinyl Estradiol + LevomefolateModerateAbsorptionRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. The non-hormonal…91 sources — open the full entry
Ergometrine MaleateModerateOthersLimited data suggest that tetracyclines may increase the plasma concentrations and toxicity of ergot alkaloids. The mechanism is unknown, but may be related to…36 sources — open the full entry
Esomeprazole + Amoxicillin + ClarithromycinModerateAntagonism · UnknownTetracyclines may reduce the effect of penicillins by inhibiting cellular protein synthesis which is necessary for cell wall synthesis inhibition by…2 documented mechanisms8 sources — open the full entry
Ethinyl Estradiol + Desogestrel0.02 mg0.03 mgModerateAbsorptionRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. The non-hormonal…91 sources — open the full entry
Ethinyl Estradiol + GestodeneModerateAbsorptionRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. The non-hormonal…91 sources — open the full entry
Ethinyl Estradiol + Levonorgestrel + Ferrous FumarateModerateAbsorption · UnknownRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. The non-hormonal…3 documented mechanisms105 sources — open the full entry
Ethinyl Estradiol + Lynestrenol0.0375 mg0.05 mgModerateAbsorptionRECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. The non-hormonal…91 sources — open the full entry
Ferric MaltolModerateAbsorptionThe bioavailability of oral tetracyclines and iron salts may be significantly decreased during concurrent administration. Therapeutic failure may result. The…11 sources — open the full entry
Ferrous Fumarate + Folic acidModerateAbsorption · UnknownThe bioavailability of oral tetracyclines and iron salts may be significantly decreased during concurrent administration. Therapeutic failure may result. The…2 documented mechanisms14 sources — open the full entry
Fosphenytoin SodiumModerateMetabolismPhenytoin (and other hydantoins) may significantly decrease doxycycline half-life resulting in decreased antimicrobial effectiveness. The mechanism may be…18 sources — open the full entry
Hydrocortisone Acetate + Benzyl Benzoate + Bismuth Subgallate + Bismuth Oxide + Balsam Peru + Zinc OxideModerateAbsorptionINTERVAL: Administration of a bismuth-containing preparation within two to three hours of a tetracycline may significantly decrease serum tetracycline…6 sources — open the full entry

Food & lifestyle

Conditions

Conditions in which Doxycycline Hydrochloride needs care, as documented in this source.

Therapeutic duplication

Drug classes that overlap with Doxycycline Hydrochloride, so taking both doubles up the same effect. This source publishes no per-row citations for duplication.