prenatal multivitamin vs trimethoprim
Side-by-side comparison of prenatal multivitamin and trimethoprim. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
moderate Known Drug Interaction
• L-dopa, triamterene, colchicine, and trimethoprim may decrease plasma folate levels. Caution should be exercised with the concomitant use of folinic acid and trimethoprim- sulfamethoxazole for the acute treatment of Pneumocystis carinii pneumonia in patients with HIV infection as it is associated with increased rates of treatment failure and mortality in a placebo-controlled study.
Recommendation: Your doctor should use caution when prescribing these together and may need to monitor your vitamin levels.
Prenatal Plus
Primsol
Prenatal Plus is a prescription multivitamin with omega-3 and iron. It helps improve nutrition before, during, and after pregnancy.
This medicine contains sulfamethoxazole and trimethoprim. It is an antibiotic that fights bacteria in your body.
Prenatal Plus helps prevent neural tube defects in babies. It also improves the nutrition of women who are planning to become pregnant, who are pregnant, or who have just had a baby. It is suitable for both breastfeeding and non-breastfeeding mothers.
This medicine can treat urinary tract infections, ear infections in children, and bronchitis in adults. It also treats shigellosis, a type of diarrhea. It can also treat or prevent Pneumocystis jiroveci pneumonia, and treat traveler's diarrhea.
This medicine contains L-methylfolate, which helps your body make important substances. It also contains omega-3 fatty acids and iron. These nutrients are important for a healthy pregnancy and baby development.
This medicine works by stopping bacteria from making folic acid. Bacteria need folic acid to grow and multiply. By blocking folic acid production, the medicine kills the bacteria.
- • Allergic reactions
- • Mild diarrhea
- • Itching
- • Feeling of swelling
- • Acne
- • Nausea
- • Vomiting
- • Loss of appetite
- • Skin rash
- • Hives
No adverse event reports.
- Nausea 945
- Diarrhoea 848
- Headache 835
- Malaise 815
- Pyrexia 721
Accidental overdose of iron can cause fatal poisoning in children under 6. Keep this medicine out of reach of children. If a child overdoses, call a doctor or Poison Control Center right away.
Rarely, sulfonamide drugs like this one have caused severe reactions. These include Stevens-Johnson syndrome, toxic epidermal necrolysis, liver damage, and blood problems. Tell your doctor right away if you have a fever, rash, blisters, mouth sores, or signs of infection.
This medicine is designed to be taken during pregnancy and while breastfeeding. Talk to your doctor if you have any concerns.
Tell your doctor if you are pregnant or plan to become pregnant. This medicine may not be safe for your baby. Talk to your doctor about the risks and benefits of taking this medicine while breastfeeding.
How to Read This prenatal multivitamin vs trimethoprim Comparison
prenatal multivitamin is classified in the Prenatal Vitamin drug class, while trimethoprim sits within the Dihydrofolate Reductase Inhibitor class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are split between OTC and prescription status, which affects access and supervision.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, prenatal multivitamin has 0 submissions while trimethoprim has 4,164. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known moderate interaction flagged in FDA labeling, attributed to trimethoprim can lower the amount of folate, an important b-vitamin, in your blood. this can make the folate in your prenatal vitamin less effective.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between prenatal multivitamin and trimethoprim - always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.