ferrous sulfate vs methyldopa
Side-by-side comparison of ferrous sulfate and methyldopa. 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
Several studies demonstrate a decrease in the bioavailability of methyldopa when it is ingested with ferrous sulfate or ferrous gluconate. Coadministration of methyldopa with ferrous sulfate or ferrous gluconate is not recommended.
Recommendation: It is recommended that you do not take these two medications at the same time. Talk to your doctor about the best way to schedule your doses.
Feosol, Fer-In-Sol
Aldomet
Ferrous sulfate is an iron supplement. It helps increase iron levels in your body.
Methyldopa is a medicine used to treat high blood pressure. It helps to lower your blood pressure.
This medicine is used to relieve hot flashes that occur with headaches. It helps to manage these symptoms. Talk to your doctor if your symptoms do not improve.
Methyldopa is used to treat hypertension, which is also known as high blood pressure. High blood pressure can strain the heart and blood vessels. Lowering blood pressure can reduce the risk of strokes, heart attacks, and kidney problems.
Ferrous sulfate provides iron, which is needed to make red blood cells. Red blood cells carry oxygen throughout your body. By increasing iron levels, this medicine helps your body function properly.
Methyldopa lowers blood pressure by affecting certain chemicals in your brain. These chemicals help to relax blood vessels, which allows blood to flow more easily. This results in lower blood pressure.
- • Fatigue
- • Diarrhea
- • Nausea
- • Headache
- • Pain
- • Sedation
- • Headache
- • Weakness
- Tiredness 3,325
- Diarrhea 3,100
- Feeling sick to your stomach 2,746
- Difficulty breathing 2,724
- Death 2,345
- Baby exposed to drug during pregnancy 1,261
- Baby born too early 888
- Mother exposed to drug during pregnancy 794
- Exposure to drug during pregnancy 654
- Delivery before term 561
No specific warnings noted.
You should not take methyldopa if you have active liver disease like hepatitis or cirrhosis. Also, do not take it if you have had liver problems caused by methyldopa in the past. Do not take it if you are allergic to any of the ingredients in methyldopa. You should not take this medicine if you are taking a monoamine oxidase (MAO) inhibitor.
Talk to your doctor before taking this medicine if you are pregnant or breastfeeding. They can help you decide if it is right for you.
Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. Methyldopa can pass into breast milk. Talk to your doctor about the risks and benefits.
Also Compare, Nearby Drugs
Compare methyldopa with
How to Read This ferrous sulfate vs methyldopa Comparison
ferrous sulfate is classified in the Iron Supplement drug class, while methyldopa sits within the Central Alpha-2 Agonist 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, ferrous sulfate has 14,240 submissions while methyldopa has 4,158. 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 iron supplements can prevent the body from absorbing the blood pressure medicine correctly. this means the medicine may not work well enough to control your blood pressure.. 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 ferrous sulfate and methyldopa - 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.