SAFE — No Known Interaction
🟢 SAFE — Selenium and Trimethoprim-Sulfamethoxazole can be taken together safely.
Evidence level: LIMITED
Selenium and Trimethoprim-Sulfamethoxazole are safe to take together based on current evidence. No adverse interactions reported.
No clinically significant interaction between Selenium and Trimethoprim-Sulfamethoxazole has been identified in medical literature.
No interaction between Selenium and Trimethoprim-Sulfamethoxazole has been documented in clinical literature. Even so, always let your doctor and pharmacist know you're taking Selenium — it helps them make better decisions about your care.
Take antibiotics and mineral supplements at least 2 hours apart. Minerals can bind to antibiotics and reduce effectiveness.
Higher risk for: those with liver or renal impairment, elderly, concurrent use of nephrotoxic or hepatotoxic drugs, history of C. difficile infection, or those on narrow therapeutic index medications (warfarin, digoxin).
Monitor for altered effectiveness and side effects when combining Selenium with Trimethoprim-Sulfamethoxazole. Antibiotics can affect liver enzymes and alter the blood levels of other medications. Watch for: unusual nausea, vomiting, diarrhea (especially watery or bloody), stomach cramps, skin rash, dizziness, or signs the other medication is working differently than usual. When to seek emergency help: Severe allergic reaction (difficulty breathing, swelling of face/throat, hives), severe or persistent diarrhea (possible C. difficile infection), yellowing of skin or eyes, dark urine, or irregular heartbeat. Complete the full antibiotic course as prescribed.
No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. An up-to-date list helps them make the best treatment decisions.
Safe combination. Mineral absorption tip: take calcium and iron at separate times (they compete for absorption). Magnesium is best taken in the evening. Zinc pairs well with meals to prevent nausea. Vitamin C enhances iron absorption.
Selenium and Trimethoprim-Sulfamethoxazole are safe to take together based on current evidence. No adverse interactions reported.
Take antibiotics and mineral supplements at least 2 hours apart. Minerals can bind to antibiotics and reduce effectiveness.
Monitor for altered effectiveness and side effects when combining Selenium with Trimethoprim-Sulfamethoxazole. Antibiotics can affect liver enzymes and alter the blood levels of other medications. Watch for: unusual nausea, vomiting, diarrhea (especially watery or bloody), stomach cramps, skin rash, dizziness, or signs the other medication is working differently than usual. When to seek emergency help: Severe allergic reaction (difficulty breathing, swelling of face/throat, hives), severe or persistent diarrhea (possible C. difficile infection), yellowing of skin or eyes, dark urine, or irregular heartbeat. Complete the full antibiotic course as prescribed.
Safe combination. Mineral absorption tip: take calcium and iron at separate times (they compete for absorption). Magnesium is best taken in the evening. Zinc pairs well with meals to prevent nausea. Vitamin C enhances iron absorption.
No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. An up-to-date list helps them make the best treatment decisions.
Or browse the full interaction database (121,000+ pairs).