Is Semaglutide Tax Deductible? Medical Expense Guide

Paying thousands of dollars per year for weight loss medication is a significant financial commitment. The good news is that the IRS considers prescribed weight loss medications a deductible medical expense when they treat a diagnosed medical condition. Here is how to maximize this tax benefit.

IRS Rules for Medical Expense Deductions

Under IRS Publication 502, you can deduct unreimbursed medical expenses that exceed 7.5% of your adjusted gross income (AGI). Key requirements:

• Must be medically necessary: Prescribed by a licensed provider to treat, diagnose, cure, mitigate, or prevent a medical condition
• Must exceed the 7.5% threshold: Only the amount above 7.5% of AGI is deductible
• Must itemize deductions: You cannot take the standard deduction and also deduct medical expenses
• Must not be reimbursed: Only out-of-pocket costs qualify; insurance-covered amounts do not

The 7.5% Threshold: A Worked Example

Complete List of Eligible GLP-1 Expenses

• Semaglutide or tirzepatide medication (brand or compounded)
• Medical consultations and telehealth visits
• Laboratory tests (blood work, metabolic panels)
• Injection supplies (syringes, needles, alcohol swabs)
• Anti-nausea medications prescribed for GLP-1 side effects
• Mileage to and from medical appointments (IRS standard rate)
• Parking and tolls for medical visits

HSA/FSA vs. Itemized Deduction: Which Is Better?

HSA and FSA accounts generally provide greater tax savings than itemized deductions because:

• No 7.5% AGI threshold -- every dollar saves taxes from the first dollar
• FICA savings (7.65%) in addition to income tax savings
• No need to itemize other deductions
• Available regardless of total medical expense amount

The ideal strategy is to use HSA/FSA funds first, and then deduct any remaining unreimbursed expenses that exceed the 7.5% threshold on your tax return.

Documentation Requirements

• Keep all receipts from medication purchases, consultations, and supplies
• Obtain a Letter of Medical Necessity from your provider documenting the diagnosis and treatment rationale
• Maintain prescription records showing the medication was prescribed, not purchased over the counter
• Track mileage with a mileage log or app for medical-related travel
• Retain Explanation of Benefits (EOB) from insurance showing what was and was not covered

Common Tax Filing Mistakes

• Forgetting to add up all medical expenses: Many patients only count the medication cost and miss consultations, labs, dental, vision, and other qualifying expenses that help exceed the 7.5% threshold.
• Not tracking mileage: Medical travel miles add up and are often overlooked.
• Double-dipping: You cannot deduct expenses already paid with HSA/FSA pre-tax funds.
• Missing the itemization threshold: Running the numbers to compare standard deduction vs. itemized deduction (including medical expenses, state taxes, mortgage interest, etc.) is essential.

Key Takeaways

• Prescribed semaglutide and tirzepatide are deductible medical expenses
• You must exceed the 7.5% AGI threshold and itemize deductions
• Include all medical expenses (not just GLP-1) to maximize the deduction
• HSA/FSA accounts generally provide better tax savings than itemized deductions
• Use both strategies: HSA/FSA for pre-tax payment, deduction for remaining expenses
• Keep thorough documentation including receipts, prescriptions, and mileage logs