chlorpromazine vs desmopressin
Side-by-side comparison of chlorpromazine and desmopressin. 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 monitor you closely if you take these drugs together. Watch for signs of low sodium like headaches, confusion, or nausea.
Thorazine
DDAVP
Chlorpromazine is a medicine that belongs to a class of drugs called phenothiazine antipsychotics. It can help manage symptoms of certain mental disorders by affecting chemical messengers in the brain.
Desmopressin is a medicine that helps your body control how much urine it makes. It is a synthetic form of a natural hormone.
Chlorpromazine can treat psychotic disorders like schizophrenia. It can also control nausea and vomiting. Additionally, it can help with restlessness before surgery, acute intermittent porphyria, tetanus, manic episodes of bipolar disorder, and intractable hiccups. In children, it can treat severe behavioral problems and hyperactivity.
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.
Chlorpromazine works by changing the effect of certain natural chemicals in the brain. It blocks dopamine receptors, which helps to reduce psychotic symptoms. It also affects other neurotransmitters, such as histamine and acetylcholine.
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.
- • Drowsiness
- • Headache
- Harmful effects from different substances 426
- Taking too much medicine 345
- Medicines affecting each other 322
- A severe reaction to antipsychotic drugs causing fever, muscle stiffness, and altered mental status 280
- Feeling sick to your stomach 272
- Low sodium levels in the blood 333
- Headache 182
- Feeling sick to your stomach 169
- Feeling tired 142
- Throwing up 137
Antipsychotic medicines like chlorpromazine can increase the risk of death in elderly patients who have dementia-related psychosis. Chlorpromazine is not approved for treating this condition.
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.
Tell your doctor if you are pregnant or plan to become pregnant. It is not known if chlorpromazine will harm your unborn baby. Talk to your doctor about the risks and benefits of taking this medicine during pregnancy and breastfeeding.
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.
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How to Read This chlorpromazine vs desmopressin Comparison
chlorpromazine is classified in the Typical Antipsychotic (Phenothiazine) drug class, while desmopressin sits within the Vasopressin Analog 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, chlorpromazine has 1,645 submissions while desmopressin has 963. 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 chlorpromazine can make desmopressin more powerful, making it harder for your body to release water. this increases the risk of developing low sodium levels in your bloodstream.. 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 chlorpromazine and desmopressin - 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.