# Onyda XR

### (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;">**[Full Prescribing Information](https://dailymed.nlm.nih.gov/dailymed/fda/fdaDrugXsl.cfm?setid=4a15c850-9da5-4bdc-a34d-7f740a6149b7&type=display)**</td><td class="align-right" style="background-color: rgb(251, 238, 184); border-width: 0px;">[**DailyMed Drug Information**](https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=4a15c850-9da5-4bdc-a34d-7f740a6149b7)</td></tr></tbody></table>

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**Forms/Strengths**

- **Liquid (organe flavored):** 0.1 mg/mL

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### **Dosing**

- **Age:** ≥ 6 y/o
- **Onset:** 60-90 min
- **Duration:** 12-24 hours
- **Considerations:** Orange flavored; Monitor for hypotension, bradycardia, and sedation. Titrate slowly.
- **Initial Dose:** 0.1 mg orally once daily at bedtime
- **Titration:** Increase by 0.1 mg weekly
- **Max Dose:** 0.4 mg once daily

<p class="callout warning">For patients switching from another clonidine product, discontinue that treatment, and titrate with ONYDA XR using the titration schedule</p>

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### **Quick Facts**

- Increases synaptic dopamine and norepinephrine via presynaptic release and reuptake inhibition
- Enhances focus, attention, and impulse control
- Extended-release formulation with dual-phase release for rapid onset and sustained control
- Unique delivery system provides 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**

- Take **once daily at bedtime** to minimize daytime sedation.
- Administer **orally as a suspension**; shake the bottle gently for at least 10 seconds before each use to ensure proper mixing.
- Use the provided **oral dosing dispenser** for accurate measurement; do not use household spoons.
- Can be taken **with or without food**, but maintain consistency in relation to meals to ensure stable absorption.
- If a **dose is missed**, skip that dose and take the next dose as scheduled; do not double up.
- **Do not abruptly discontinue**; tapering may be required to prevent **rebound hypertension**.

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### **Side Effects**

- Common: Somnolence, fatigue, irritability, headache, abdominal pain, constipation, dry mouth
- Serious: Hypotension, bradycardia, rebound hypertension, allergic reactions

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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 **dizziness, fainting, or low blood pressure**.
    - Slow or irregular heart rate.
    - Excessive drowsiness or difficulty waking.
    - Mood changes, depression, or unusual behavior.
    - Severe headache, blurred vision, or confusion (**possible hypertensive rebound if stopped abruptly**).
- **Safety Tips:**
    
    
    - **Monitor blood pressure and heart rate** regularly.
    - Avoid **alcohol and sedatives**, which may enhance drowsiness.
    - Rise slowly from sitting or lying positions to prevent dizziness.
    - Use caution when driving or operating heavy machinery due to possible sedation.
    - **Taper gradually** when discontinuing to avoid withdrawal symptoms.
- **Parent Tips for Pediatric Patients:**
    
    
    - May cause **daytime drowsiness**; administering at bedtime helps minimize this effect.
    - Monitor for **irritability, mood swings, or behavioral changes**.
    - Encourage **hydration and balanced nutrition** to minimize side effects.
    - Ensure children do not engage in **high-risk activities (e.g., swimming, biking) if excessively drowsy**.
    - Store in **child-proof packaging** to prevent accidental overdose.

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### **Additional Information**

- **Contraindications:**
    
    
    - **Hypersensitivity** to clonidine or formulation components.
    - Use with caution in patients with **severe heart disease, bradycardia, or hypotension**.
- **Pregnancy:**
    
    
    - **Category C**; use only if benefits outweigh risks.
    - May cause **neonatal withdrawal symptoms**.
- **Lactation:**
    
    
    - **Excreted in breast milk**; use with caution due to potential effects on infant blood pressure.
- **Drug Interactions:**
    
    
    - **CNS depressants** (e.g., alcohol, benzodiazepines) may increase sedation.
    - **Beta-blockers** may enhance bradycardia; caution when using together.
    - **Stimulants (e.g., amphetamines)** may counteract ONYDA XR’s effects.
    - **Antihypertensive medications** may lead to excessive blood pressure lowering.