Paracodina (Dihydrocodeine Tartrate)

Paracodina (dihydrocodeine tartrate) acts on the central nervous system to provide analgesic and antitussive effects.

• Moderate to severe acute pain: reduces pain intensity and improves functional comfort.
• Chronic non‑cancer pain: provides long‑term pain control when other opioids are unsuitable.
• Cough suppression: diminishes the cough reflex in patients with non‑productive cough.
• Diarrhoea management: slows gastrointestinal motility to reduce frequent loose stools.
• Post‑operative recovery: aids in pain relief following surgical procedures.

• Dihydrocodeine tartrate is a semi‑synthetic opioid that binds to μ‑opioid receptors in the central nervous system, producing analgesia, sedation, and cough suppression. It also exhibits weak activity at κ‑receptors and may modulate the release of neurotransmitters such as substance‑P, contributing to its overall therapeutic effect.

Side effects vary with dose and individual sensitivity.

Common Side Effects

• Nausea: mild to moderate upset stomach.
• Drowsiness: feeling of sleepiness or reduced alertness.
• Constipation: reduced bowel movements and harder stools.
• Dizziness: light‑headed feeling, especially when standing quickly.
• Dry mouth: reduced salivation causing a parched feeling.

Serious or Rare Side Effects

• Respiratory depression: slowed or shallow breathing that can be life‑threatening.
• Severe allergic reaction: rash, itching, swelling, or difficulty breathing.
• Dependence or addiction: potential for misuse with prolonged use.
• Low blood pressure: sudden drop causing faintness or shock.
• Hallucinations or delirium: altered perception or confusion.
• Urinary retention: difficulty initiating or maintaining urine flow.

When prescribing Paracodina, clinicians should consider several safety aspects.

• Assess patient history: evaluate for respiratory disorders, head injury, or substance abuse.
• Concomitant CNS depressants: avoid or closely monitor use with alcohol, benzodiazepines, or antihistamines.
• Pregnancy and lactation: use only if clearly needed, weighing benefits against risks.
• Elderly patients: start with the lowest effective dose and monitor for sedation.
• Liver or kidney impairment: adjust dosage based on organ function.
• Store at ambient temperature: keep in the original container, protect from moisture and direct sunlight.

Paracodina may interact with other medicines, altering its effectiveness or safety profile.

Major Interactions (Avoid)

• Opioid agonists: combined use can cause profound respiratory depression.
• CNS depressants: alcohol, benzodiazepines, or barbiturates increase sedation and risk of overdose.
• MAO inhibitors: may precipitate severe hypertension or serotonin syndrome.

Moderate Interactions (Monitor Closely)

• CYP2D6 inhibitors: drugs like fluoxetine can raise dihydrocodeine levels.
• Anticholinergic agents: may worsen constipation.
• Diuretics: can enhance hypotensive effects.
• Antihistamines: may increase drowsiness.
• QT‑prolonging drugs: monitor cardiac rhythm when combined.