desmopressin vs lamotrigine
Side-by-side comparison of desmopressin and lamotrigine. 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
tricyclic antidepressants, selective serotonin re-uptake inhibitors, chlorpromazine, opiate analgesics, NSAIDs, lamotrigine and carbamazepine) should be performed with caution.
Recommendation: Your doctor should carefully monitor your blood work and symptoms while you are on both medications.
DDAVP
Lamictal
Desmopressin is a medicine that helps your body control how much urine it makes. It is a synthetic form of a natural hormone.
Lamotrigine is a medicine that can treat seizures and bipolar disorder. It works by reducing irregular electrical activity in the brain.
This medicine treats central diabetes insipidus, a condition where your body doesn't make enough of a certain hormone, causing you to urinate too much. It also helps manage temporary excessive urination and thirst after head trauma or surgery near the pituitary gland. Desmopressin also treats primary nocturnal enuresis, also known as bedwetting, in children.
Lamotrigine can treat epilepsy in adults and children 2 years and older. It can help with partial-onset seizures, primary generalized tonic-clonic seizures, and generalized seizures of Lennox-Gastaut syndrome. It can also be used to delay mood episodes in adults with bipolar I disorder.
Desmopressin works by acting like a natural hormone in your body. This hormone helps your kidneys reduce the amount of urine you produce. This helps to decrease urination and thirst.
Lamotrigine affects how nerves in the brain send signals to each other. It is thought to work by decreasing the release of certain chemicals. This helps to stabilize electrical activity and prevent seizures or mood swings.
- • Headache
- • Dizziness
- • Headache
- • Double vision
- • Uncoordinated movements
- • Nausea
- Low sodium levels in the blood 333
- Headache 182
- Feeling sick to your stomach 169
- Feeling tired 142
- Throwing up 137
- Skin rash 8,408
- Seizure 6,527
- Feeling sick to your stomach 6,151
- Tiredness 5,914
- Feeling lightheaded 5,771
This medicine can cause water intoxication and low sodium levels in your blood (hyponatremia). To prevent this, follow your doctor's instructions about limiting fluid intake. Be especially careful to limit fluids from 1 hour before taking desmopressin until at least 8 hours after.
Lamotrigine can cause a serious skin rash that may require you to go to the hospital. This rash can be life-threatening. The risk is higher in children. Stop taking lamotrigine and see a doctor right away if you get a rash, fever, or swollen lymph nodes.
Tell your doctor if you are pregnant or plan to become pregnant. It is not known if desmopressin can harm an unborn baby. Talk to your doctor about the risks and benefits of taking this medicine while breastfeeding.
Tell your doctor if you are pregnant or plan to become pregnant. Lamotrigine may cause harm to an unborn baby. There is a pregnancy registry for women who take lamotrigine during pregnancy. You can enroll by calling 1-888-233-2334.
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How to Read This desmopressin vs lamotrigine Comparison
desmopressin is classified in the Vasopressin Analog drug class, while lamotrigine sits within the Anticonvulsant class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, desmopressin has 963 submissions while lamotrigine has 32,771. 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 taking lamotrigine with desmopressin can increase the risk of your body holding onto too much water and lowering your salt levels.. 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 desmopressin and lamotrigine - 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.