Trimethoprim — Drug Interactions, Alcohol & Pregnancy Guide
Last reviewed: · Source: US FDA drug label database
About Trimethoprim
Trimethoprim is a common antibiotic for uncomplicated UTIs, especially in women. It should be avoided in pregnancy (folate antagonist) and in those with folate deficiency or blood disorders.
Also sold as: Monotrim
Trimethoprim and Alcohol
Avoid alcohol with trimethoprim — it impairs your immune system while you are fighting a UTI and may worsen nausea.
Full guide →Trimethoprim in Pregnancy
Avoid trimethoprim in the first trimester — it blocks folic acid, which the baby's neural tube needs; nitrofurantoin is the usual UTI alternative.
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