Cambia is the brand name (in several countries, notably India) for the drug duloxetine.
Duloxetine is a serotonin‑and‑norepinephrine reuptake inhibitor (SNRI) that works by increasing the levels of these neurotransmitters in the brain, which helps improve mood and reduce pain signals.
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What it’s used for
| Condition | Typical indication |
|-----------|--------------------|
| Major depressive disorder (MDD) | Treatment of depressive episodes in adults |
| Generalized anxiety disorder (GAD) | Reduction of anxiety symptoms |
| Diabetic peripheral neuropathic pain | Pain relief for nerve damage caused by diabetes |
| Fibromyalgia | Relief of widespread musculoskeletal pain |
| Chronic musculoskeletal pain | Knee, shoulder, or back pain associated with chronic conditions |
| Neuropathic pain from other causes | Pain from nerve injury, post‑herpetic neuralgia, etc. |
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How it’s taken
| Form | Common strengths | Typical starting dose | Target dose | Notes |
|------|------------------|-----------------------|-------------|-------|
| Oral tablet | 20 mg, 30 mg, 60 mg | 20 mg once daily (usually in the morning) | 60 mg once daily (maximum 120 mg/day in some cases) | Can be taken with or without food. |
Adjustments:
- Start low and titrate up gradually to reduce side effects.
- For chronic pain, a lower dose (often 20 mg) may be sufficient.
- In patients with renal impairment, dose adjustments may be needed.
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Common side effects
- Nausea, dry mouth, dizziness, constipation, fatigue, headache, increased sweating.
- Most of these tend to improve within the first few weeks.
- Rarely, serious side effects such as increased blood pressure, liver enzyme elevation, or serotonin syndrome (when combined with other serotonergic drugs) can occur.
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Contraindications & warnings
- MAO inhibitors: Not used concurrently (risk of severe hypertension).
- Severe liver disease: Contraindicated.
- Pregnancy & breastfeeding: Classified as pregnancy category C; use only if benefits outweigh risks.
- Alcohol: May worsen dizziness or liver effects.
- Surgery: May increase bleeding risk, especially with certain surgical procedures.
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Drug interactions (just a quick rundown)
| Drug | What to watch for |
|------|--------------------|
| SSRIs, SNRIs, triptans, MAOIs | Serotonin syndrome |
| NSAIDs, aspirin | ↑ bleeding risk |
| CYP2D6 inhibitors (e.g., fluoxetine, paroxetine) | ↑ duloxetine levels → ↑ side effects |
| CYP2C19 inhibitors (e.g., omeprazole) | ↑ duloxetine levels (less common) |
| Antihypertensives | Potential additive blood‑pressure effects |
Always inform your prescriber of all medications, supplements, or herbal products you’re taking.
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What to do if you miss a dose
- If it’s been less than 12 h since you missed the dose, take it now and skip the next scheduled dose.
- If it’s more than 12 h, just take the next scheduled dose and do not double‑dose.
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When to seek medical help
- Signs of serotonin syndrome: agitation, hallucinations, rapid heart rate, confusion, tremor, muscle rigidity.
- Severe allergic reaction: rash, itching, swelling of face/eyes/lips, difficulty breathing.
- Unusual bruising or bleeding.
- Persistent dizziness or fainting.
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Bottom line
Cambia (duloxetine) is a versatile, prescription‑only medication that treats both mood disorders and certain types of pain. Its benefits are well‑documented, but it comes with a set of potential side effects and drug‑interaction warnings. If you’re considering it, discuss with your healthcare provider to ensure it’s the right fit for your health needs and that you’ll take it safely.