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## Tus%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252520qd
### Overview
Tus%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252520qd is a cough suppressant (antitussive).
### Primary Indications
* Symptomatic relief of acute, non-productive cough.
### Adult Dosing
* **Oral:** 10 mg to 20 mg every 4 hours as needed, OR 30 mg every 6 to 8 hours as needed.
* **Maximum:** Dosing varies by formulation and specific indication; consult product labeling. Generally, avoid exceeding 120 mg per day for oral liquid formulations unless specifically indicated.
### Pediatric Dosing
* **Ages 6-12 years:** 5 mg to 10 mg every 4 hours as needed, OR 15 mg every 6 to 8 hours as needed. Maximum 60 mg per day.
* **Under 6 years:** Safety and efficacy are not established. Use with caution and only when clearly indicated, under strict medical supervision. Dosing for this age group is highly variable and depends on clinical judgment and specific product.
### Dose Adjustments
* No specific dose adjustments are typically required for renal or hepatic impairment, but caution and close monitoring are advised.
### Contraindications
* Hypersensitivity to the active ingredient.
* Use in patients with chronic cough (e.g., asthma, emphysema) where mucus clearance is important.
* Children younger than 2 years for codeine-containing products.
### Adverse Effects
* **Common:** Drowsiness, dizziness, constipation, nausea, vomiting.
* **Less Common/Serious:** Respiratory depression (especially with higher doses or in combination with other CNS depressants), paradoxical excitation, confusion, dependence (with prolonged use), allergic reactions.
### Key Drug Interactions
* **CNS Depressants (e.g., benzodiazepines, opioids, alcohol):** Increased risk of sedation, respiratory depression, and hypotension.
* **Serotonergic Agents (e.g., SSRIs, MAOIs):** Potential for serotonin syndrome, although risk is lower compared to other opioids.
* **CYP2D6 Inhibitors:** May reduce the efficacy of codeine (if present) by impairing its conversion to morphine.
### Monitoring
* Assess cough frequency and severity.
* Monitor for adverse effects, particularly sedation and respiratory depression.
* Assess bowel function for constipation.
* Evaluate for signs of misuse or dependence with prolonged use.
### Clinical Pearls
* Effectiveness for chronic cough is limited, and it is generally not recommended for long-term use.
* May be less effective in individuals who are poor metabolizers of CYP2D6, if the product contains codeine.
* Encourage adequate fluid intake and consider stool softeners to manage constipation.
* Use with caution in patients with a history of substance abuse.
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*Disclaimer: This information is intended for healthcare professionals. Always verify current prescribing information, including contraindications, warnings, and dosage guidelines, from an official drug compendium or the manufacturer's labeling before initiating therapy.*
