# Xelstrym

### (generic)

<table border="1" id="bkmrk-prescribing-info" style="border-collapse: collapse; width: 100%; border-width: 0px; background-color: rgb(230, 126, 35);"><tbody><tr><td style="background-color: rgb(194, 224, 244); border-width: 0px; width: 50%;">**[Full Prescribing Information](https://dailymed.nlm.nih.gov/dailymed/fda/fdaDrugXsl.cfm?setid=0862f02a-72a8-41cc-8845-57cf4974bb6f&type=display)**</td><td class="align-right" style="background-color: rgb(251, 238, 184); border-width: 0px; width: 50%;">[**DailyMed Drug Information**](https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=0862f02a-72a8-41cc-8845-57cf4974bb6f)</td></tr></tbody></table>

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**Forms/Strengths**

- **Transdermal system:** 4.5 mg/9 hours, 9 mg/9 hours, 13.5 mg/9 hours, 18 mg/9 hours

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### **Dosing**

- **Age:** ≥ 6 y/o
- **Onset:** Approximately 2 hours after application
- **Duration:** 9-hour wear time; continuous release for 9-12 hours
- **Considerations:** Apply the patch to the hip, upper arm, chest, upper back, or flank area 2 hours before the effect is needed. Rotate application sites with each new patch. Do not use more than one patch in a 24-hour period. Do not substitute for other amphetamine products on a milligram-per-milligram basis.
- **Initial Dose:**
    - **Pediatric (6-17 y/o):** 4.5 mg/9 hours daily
    - **Adults:** 9 mg/9 hours daily
- **Titration:** 4.5 mg/9 hours weekly
- **Max Dose:** 18 mg/9 hours 
    - **Severe Renal Impairment:** 13.5 mg/9 hours
    - **End-Stage Renal Disease (ESRD):** 9 mg/9 hours

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### **Quick Facts**

- Increases synaptic dopamine and norepinephrine by promoting presynaptic release and inhibiting reuptake
- Enhances focus, attention, and impulse control
- Extended-release capsule with a multi-phase release profile for rapid onset and sustained effect
- Unique formulation for consistent plasma levels throughout the day
- Common side effects: decreased appetite, insomnia, headache, gastrointestinal discomfort

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### **Indications**

- ADHD** (ICD-10: F90.0)

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### **Off-Label Uses**

- **N/A**

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### **How to Take**

- Apply **one patch daily** to clean, dry, intact skin.
- Apply to the **hip, upper arm, chest, flank, or upper back**—rotate application sites daily.
- **Press firmly** for at least **30 seconds** to ensure full adhesion.
- Wear the patch for **9 hours** and remove it after the prescribed duration.
- Avoid **cutting or altering** the patch, as this may affect drug release.
- **Wash hands** after applying or removing the patch.

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### **Side Effects**

- **Common:** decreased appetite, headache, insomnia, tic, abdominal pain, vomiting, nausea, irritability, increased blood pressure, and increased heart rate

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### **Monitoring / Labs**

- **Cardiovascular**: Baseline and routine monitoring of heart rate and blood pressure.
- **Growth in Pediatrics**: Regular monitoring of height and weight to detect growth suppression.
- **Psychiatric Symptoms**: Observe for mood changes, anxiety, or psychosis.
- **Abuse Potential**: Monitor for misuse or diversion.

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### **Education**

- **When to Call the Doctor:**
    
    
    - Severe **mood changes, aggression, or suicidal thoughts**.
    - Chest pain, rapid heartbeat, shortness of breath (**cardiovascular concerns**).
    - Uncontrolled movements, tics, or worsening anxiety.
    - Skin **irritation, blistering, or severe redness** at the application site.
    - Numbness, coldness, or color changes in fingers or toes (**circulatory issues**).
    - Unexplained weight loss or **delayed growth in pediatric patients**.
- **Safety Tips:**
    
    
    - **Monitor blood pressure and heart rate**, especially in patients with cardiovascular risk.
    - Use caution in patients with **anxiety, bipolar disorder, or psychosis**, as symptoms may worsen.
    - Avoid **external heat sources** (e.g., heating pads, electric blankets, hot tubs) as heat can increase drug absorption.
    - Ensure **adequate hydration and nutrition**, as appetite suppression is common.
    - If the patch **falls off**, replace with a new one but **remove at the usual time**.
- **Parent Tips for Pediatric Patients:**
    
    
    - **Encourage a nutrient-dense diet** to counteract appetite suppression.
    - Administer in the **morning before school** for optimal effect.
    - Monitor **school performance and behavioral changes**.
    - Observe for **sleep disturbances**; adjust timing if necessary.
    - Communicate regularly with **teachers and caregivers** about medication effects.
    - Dispose of **used patches safely** by folding them in half and placing them in a secure disposal container.

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### **Additional Information**

- **Contraindications:**
    
    
    - **Hypersensitivity** to amphetamines or formulation components.
    - **Use within 14 days of MAOI therapy** (risk of hypertensive crisis).
    - Symptomatic **cardiovascular disease, moderate-to-severe hypertension, hyperthyroidism, glaucoma**.
    - **History of substance use disorder**, unless benefits outweigh risks.
- **Pregnancy:**
    
    
    - **Category C**; use only if benefits outweigh risks.
    - May cause **neonatal withdrawal symptoms** or **low birth weight**.
- **Lactation:**
    
    
    - **Excreted in breast milk**; **not recommended** due to potential infant exposure.
- **Drug Interactions:**
    
    
    - **Serotonergic drugs** (e.g., SSRIs, SNRIs, MAOIs) increase **serotonin syndrome risk**.
    - **Acidifying agents** (e.g., ascorbic acid) may reduce drug absorption.
    - **Alkalinizing agents** (e.g., sodium bicarbonate) may increase amphetamine levels.
    - May potentiate **hypertensive effects** of certain medications (e.g., decongestants, beta-agonists)