Quick answer
Can you take Wegovy with Losartan (Cozaar)? Generally compatible — no clinically significant interaction known.
- Severity
- none known
- Interaction type
- none
- Monitoring focus
- Routine BP and renal function checks; potassium per ARB practice.
Always confirm with your prescriber. This is educational and based on FDA label data.
Key takeaways
- • Severity: No clinically significant interaction known.
- • Wegovy (weight management (FDA-approved obesity)) and Losartan (Cozaar) (ARB (cardiovascular)).
- • Clinical management: Continue as prescribed; reassess BP regimen as weight changes.
- • Monitoring: Routine BP and renal function checks; potassium per ARB practice.
Mechanism
Losartan is not affected meaningfully by GLP-1-induced gastric emptying changes. Cumulative blood pressure lowering from weight loss may occur but is monitored clinically, not avoided.
Clinical management
Continue as prescribed; reassess BP regimen as weight changes.
GLP1Zoom does not prescribe medications or recommend dose changes. Always confirm any adjustment with your prescribing clinician before changing how you take Wegovy or Losartan (Cozaar).
Monitoring checklist
What to monitor + when to call your prescriber
Routine monitoring
- Routine BP and renal function checks
- potassium per ARB practice
Call prescriber urgently if
- symptomatic hypotension
When to call your doctor
- symptomatic hypotension
In emergencies — severe abdominal pain, persistent vomiting, fainting, signs of severe hypoglycemia (confusion, seizures), or signs of bleeding — call 911 or go to the nearest emergency department.
Source / FDA label citation
Not specifically listed as an interaction in current FDA label.
Editorial confidence: 8/10. Lower scores reflect inferred mechanism rather than directly-labeled interaction. We re-verify against the active FDA prescribing information at least every 6 months.
References
FDA Guidance for Industry: Clinical Drug Interaction Studies(2020)
GLP-1 Receptor Agonist Drug Interactions: Comprehensive Review (Diabetes Therapy)(2023)
DailyMed (NIH): FDA Prescribing Information Repository(2024)
Glucagon-Like Peptide-1 Receptor Agonists: Mechanisms and Clinical Use (Drucker, Cell Metabolism)(2018)
Tirzepatide GIP/GLP-1 Dual Agonism: Mechanism Review (Lancet Diabetes & Endocrinology)(2021)
GLP-1 Effects on Gastric Emptying: Pharmacology Review (American J Physiology)(2020)
Common questions
Can I take Losartan (Cozaar) with Wegovy?
Losartan (Cozaar) and Wegovy have no clinically significant interaction documented. Standard prescribing applies. Always confirm with your prescriber, since individual medical history can change the calculation.
What's the mechanism of any Wegovy + Losartan (Cozaar) interaction?
Losartan is not affected meaningfully by GLP-1-induced gastric emptying changes. Cumulative blood pressure lowering from weight loss may occur but is monitored clinically, not avoided.
What should I monitor when on Wegovy + Losartan (Cozaar)?
Routine BP and renal function checks; potassium per ARB practice.
When should I call my doctor?
Contact your prescriber if you notice any of: symptomatic hypotension.
Related
This page summarizes general pharmacology from FDA-approved prescribing information. It is not a substitute for personalized medical advice. GLP1Zoom is an affiliate-only comparator — we do not prescribe or sell medications. Full disclaimer.