Ticarcillin

Name: Ticarcillin Drug Interactions
Creator: Dr. Brian Staiger, PharmD, BCPS

13 interactions

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Jul 11, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

Most serious with: Estradiol Estradiol Topical Estradiol Transdermal Patch Hydroxychloroquine Levonorgestrel Levonorgestrel Intrauterine System

8 Major 5 Minor

All (13) Major (8) Minor (5)

Major

Ticarcillin Estradiol Delestrogen Decreased contraceptive effectiveness Details Ticarcillin Estradiol Topical Divigel Decreased contraceptive effectiveness Details Ticarcillin Estradiol Transdermal Patch Alora® Decreased contraceptive effectiveness Details Ticarcillin Hydroxychloroquine Plaquenil An increased risk of seizures Details Ticarcillin Levonorgestrel After banger Decreased contraceptive effectiveness Details Ticarcillin Levonorgestrel Intrauterine System Kyleena Decreased contraceptive effectiveness Details Ticarcillin Methotrexate Jylamvo Increased methotrexate exposure, an increased risk of methotrexate-related severe adverse reactions, reduced active metabolite for... Details Ticarcillin Methotrexate Injection Abitrexate® Increased methotrexate exposure, an increased risk of methotrexate-related severe adverse reactions, reduced active metabolite for... Details

Minor

Ticarcillin Amikacin Injection Amikin® Loss of aminoglycoside efficacy Details Ticarcillin Amikacin Oral Inhalation Arikayce Loss of aminoglycoside efficacy Details Ticarcillin Gentamicin Injection Garamycin® I.V. Loss of aminoglycoside efficacy Details Ticarcillin Gentamicin Ophthalmic Garamycin® Ophthalmic Loss of aminoglycoside efficacy Details Ticarcillin Gentamicin Topical Garamycin® Loss of aminoglycoside efficacy Details

Check another drug

Still have questions about this combination?

Every question gets a real answer from a licensed pharmacist — free, and usually within a day.

Ask the pharmacist

Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.